MFC: remove whitespace at EOL.

290 files changed, 990 insertions, 990 deletions

diff --git a/lib/libc/compat-43/gethostid.3 b/lib/libc/compat-43/gethostid.3
index 156b4256f302..3139fcc61b29 100644
--- a/lib/libc/compat-43/gethostid.3
+++ b/lib/libc/compat-43/gethostid.3
@@ -72,7 +72,7 @@ The
 .Fn gethostid
 and
 .Fn sethostid
-syscalls appeared in 
+syscalls appeared in
 .Bx 4.2
 and were dropped in
 .Bx 4.4 .
diff --git a/lib/libc/compat-43/setruid.3 b/lib/libc/compat-43/setruid.3
index 3c485276e9a8..1d1e884c9faa 100644
--- a/lib/libc/compat-43/setruid.3
+++ b/lib/libc/compat-43/setruid.3
@@ -76,7 +76,7 @@ The
 .Fn setruid
 and
 .Fn setrgid
-syscalls appeared in 
+syscalls appeared in
 .Bx 4.2
 and were dropped in
 .Bx 4.4 .
diff --git a/lib/libc/compat-43/sigpause.2 b/lib/libc/compat-43/sigpause.2
index 6aa52522cd47..917874648cc2 100644
--- a/lib/libc/compat-43/sigpause.2
+++ b/lib/libc/compat-43/sigpause.2
@@ -49,7 +49,7 @@
 .Xr sigsuspend 2 .
 .Pp
 .Fn Sigpause
-assigns 
+assigns
 .Fa sigmask
 to the set of masked signals
 and then waits for a signal to arrive;
diff --git a/lib/libc/compat-43/sigsetmask.2 b/lib/libc/compat-43/sigsetmask.2
index 60a45d64ecec..c39e566ce81b 100644
--- a/lib/libc/compat-43/sigsetmask.2
+++ b/lib/libc/compat-43/sigsetmask.2
@@ -54,7 +54,7 @@ This interface is made obsolete by:
 .Fn Sigsetmask
 sets the current signal mask.  Signals
 are blocked from delivery if the
-corresponding bit in 
+corresponding bit in
 .Fa mask
 is a 1; the macro
 .Fn sigmask
diff --git a/lib/libc/compat-43/sigvec.2 b/lib/libc/compat-43/sigvec.2
index d73fa3f2ef0c..3b6a22bc2044 100644
--- a/lib/libc/compat-43/sigvec.2
+++ b/lib/libc/compat-43/sigvec.2
@@ -58,10 +58,10 @@ This interface is made obsolete by sigaction(2).
 .Pp
 The system defines a set of signals that may be delivered to a process.
 Signal delivery resembles the occurrence of a hardware interrupt:
-the signal is blocked from further occurrence, the current process 
+the signal is blocked from further occurrence, the current process
 context is saved, and a new one is built.  A process may specify a
 .Em handler
-to which a signal is delivered, or specify that a signal is to be 
+to which a signal is delivered, or specify that a signal is to be
 .Em blocked
 or
 .Em ignored .
@@ -78,7 +78,7 @@ Signal routines execute with the signal that caused their
 invocation
 .Em blocked ,
 but other signals may yet occur.
-A global 
+A global
 .Em "signal mask"
 defines the set of signals currently blocked from delivery
 to a process.  The signal mask for a process is initialized
@@ -95,7 +95,7 @@ signals pending for the process.  If the signal is not currently
 .Em blocked
 by the process then it is delivered to the process.  When a signal
 is delivered, the current state of the process is saved,
-a new signal mask is calculated (as described below), 
+a new signal mask is calculated (as described below),
 and the signal handler is invoked.  The call to the handler
 is arranged so that if the signal handling routine returns
 normally the process will resume execution in the context
@@ -111,7 +111,7 @@ or
 .Xr sigsetmask 2
 call is made).
 This mask is formed by taking the current signal mask,
-adding the signal to be delivered, and 
+adding the signal to be delivered, and
 .Em or Ns 'ing
 in the signal mask associated with the handler to be invoked.
 .Pp
@@ -129,7 +129,7 @@ the system will deliver the signal to the process on a
 .Em "signal stack" ,
 specified with
 .Xr sigaltstack 2 .
-If 
+If
 .Fa ovec
 is non-zero, the previous handling information for the signal
 is returned to the user.
@@ -241,7 +241,7 @@ Ignored signals remain ignored;
 the signal mask remains the same;
 signals that interrupt system calls continue to do so.
 .Sh NOTES
-The mask specified in 
+The mask specified in
 .Fa vec
 is not allowed to block
 .Dv SIGKILL
@@ -267,7 +267,7 @@ of the following occurs:
 .It Bq Er EFAULT
 Either
 .Fa vec
-or 
+or
 .Fa ovec
 points to memory that is not a valid part of the process
 address space.
@@ -309,7 +309,7 @@ struct sigcontext *scp;
 Here
 .Fa sig
 is the signal number, into which the hardware faults and traps are
-mapped as defined below. 
+mapped as defined below.
 .Fa Code
 is a parameter that is either a constant
 as given below or, for compatibility mode faults, the code provided by
diff --git a/lib/libc/gen/exec.3 b/lib/libc/gen/exec.3
index e8f6403c8fdd..6d7e80c309e4 100644
--- a/lib/libc/gen/exec.3
+++ b/lib/libc/gen/exec.3
@@ -145,7 +145,7 @@ The search path is the path specified in the environment by
 .Dq Ev PATH
 variable.
 If this variable isn't specified,
-the default path is set according to the 
+the default path is set according to the
 .Dv _PATH_DEFPATH
 definition in
 .Aq paths.h ,
diff --git a/lib/libc/gen/getprogname.3 b/lib/libc/gen/getprogname.3
index 74225956f5d7..ea9c3531bc3f 100644
--- a/lib/libc/gen/getprogname.3
+++ b/lib/libc/gen/getprogname.3
@@ -1,7 +1,7 @@
 .\"
 .\" Copyright (c) 2001 Christopher G. Demetriou
 .\" All rights reserved.
-.\" 
+.\"
 .\" Redistribution and use in source and binary forms, with or without
 .\" modification, are permitted provided that the following conditions
 .\" are met:
@@ -17,7 +17,7 @@
 .\"          information about NetBSD.
 .\" 4. The name of the author may not be used to endorse or promote products
 .\"    derived from this software without specific prior written permission.
-.\" 
+.\"
 .\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 .\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 .\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
diff --git a/lib/libc/gen/glob.3 b/lib/libc/gen/glob.3
index efc413c15a75..5c2da2167111 100644
--- a/lib/libc/gen/glob.3
+++ b/lib/libc/gen/glob.3
@@ -386,7 +386,7 @@ was set or
 returned non-zero.
 .It Dv GLOB_LIMIT
 The flag
-.Dv GLOB_MAXPATH 
+.Dv GLOB_MAXPATH
 was provided, and the specified limit passed to
 .Fn glob
 in
diff --git a/lib/libc/gmon/moncontrol.3 b/lib/libc/gmon/moncontrol.3
index f0c925475081..92a76b721b64 100644
--- a/lib/libc/gmon/moncontrol.3
+++ b/lib/libc/gmon/moncontrol.3
@@ -72,7 +72,7 @@ to resume the collection of histogram ticks and call counts use
 .Fn moncontrol 1 .
 This feature allows the cost of particular operations to be measured.
 Note that an output file will be produced on program exit
-regardless of the state of 
+regardless of the state of
 .Fn moncontrol .
 .Pp
 Programs that are not loaded with
@@ -88,7 +88,7 @@ the lowest address sampled is that of
 .Fa lowpc
 and the highest is just below
 .Fa highpc .
-Only functions in that range that have been compiled with the 
+Only functions in that range that have been compiled with the
 .Fl pg
 option to
 .Xr cc 1
diff --git a/lib/libc/i386/sys/i386_get_ioperm.2 b/lib/libc/i386/sys/i386_get_ioperm.2
index aad357bef7a4..27b38c7a5892 100644
--- a/lib/libc/i386/sys/i386_get_ioperm.2
+++ b/lib/libc/i386/sys/i386_get_ioperm.2
@@ -50,8 +50,8 @@ and the number of contiguous entries will be returned in
 .Pp
 .Fn i386_set_ioperm
 will set access to a range of I/O ports described by the
-.Fa start 
-and 
+.Fa start
+and
 .Fa length
 arguments to the state specified by the
 .Fa enable
@@ -73,7 +73,7 @@ and
 will fail if:
 .Bl -tag -width Er
 .It Bq Er EINVAL
-An invalid range was specified by the  
+An invalid range was specified by the
 .Fa start
 or
 .Fa length
diff --git a/lib/libc/i386/sys/i386_get_ldt.2 b/lib/libc/i386/sys/i386_get_ldt.2
index d6743c4e3a34..af0f993f8c07 100644
--- a/lib/libc/i386/sys/i386_get_ldt.2
+++ b/lib/libc/i386/sys/i386_get_ldt.2
@@ -58,7 +58,7 @@ LDT.
 Both routines accept a starting selector number
 .Fa start_sel
 , an array of memory that
-will contain the descriptors to be set or returned 
+will contain the descriptors to be set or returned
 .Fa descs
 , and the number of entries to set or return
 .Fa num_sels .
diff --git a/lib/libc/i386/sys/i386_set_watch.3 b/lib/libc/i386/sys/i386_set_watch.3
index a85ae85c7b5e..6c49cbed4cd4 100644
--- a/lib/libc/i386/sys/i386_set_watch.3
+++ b/lib/libc/i386/sys/i386_set_watch.3
@@ -55,9 +55,9 @@ parameters.  The
 argument specifies which watch register is used, 0, 1, 2, 3, or -1.  If
 .Fa watchnum
 is -1, a free watch register is found and used.  If there are no free
-watch registers, an error code of -1 is returned.  
+watch registers, an error code of -1 is returned.
 .Fa Watchaddr
-specifies the watch address, 
+specifies the watch address,
 .Fa size
 specifies the size in bytes of the area to be watched (1, 2, or 4 bytes),
 and
diff --git a/lib/libc/i386/sys/i386_vm86.2 b/lib/libc/i386/sys/i386_vm86.2
index fd9c89e063f3..3c85ade2953e 100644
--- a/lib/libc/i386/sys/i386_vm86.2
+++ b/lib/libc/i386/sys/i386_vm86.2
@@ -72,7 +72,7 @@ it will be dispatched by the vm86 interrupt table.
 .\" .It Dv VM86_INTCALL
 .El
 .Pp
-vm86 mode is entered by calling 
+vm86 mode is entered by calling
 .Xr sigreturn 2
 with the correct machine context for vm86, and with the
 .Em PSL_VM
diff --git a/lib/libc/locale/euc.4 b/lib/libc/locale/euc.4
index ce319ba37ff4..548d9caece8a 100644
--- a/lib/libc/locale/euc.4
+++ b/lib/libc/locale/euc.4
@@ -42,18 +42,18 @@
 .Nm euc
 .Nd EUC encoding of runes
 .Sh SYNOPSIS
-.Nm ENCODING 
+.Nm ENCODING
 .Qq EUC
 .Pp
 .Nm VARIABLE
-.Ar len1 
-.Ar mask1 
-.Ar len2 
-.Ar mask2 
-.Ar len3 
-.Ar mask3 
-.Ar len4 
-.Ar mask4 
+.Ar len1
+.Ar mask1
+.Ar len2
+.Ar mask2
+.Ar len3
+.Ar mask3
+.Ar len4
+.Ar mask4
 .Ar mask
 .Sh DESCRIPTION
 The
@@ -85,7 +85,7 @@ A multibyte character in the fourth codeset consists of
 .Ar len4
 bytes starting with the byte 0x8f.
 .Pp
-The 
+The
 .Ev rune_t
 encoding of
 .Nm EUC
diff --git a/lib/libc/locale/isalnum.3 b/lib/libc/locale/isalnum.3
index 4a69ff9b9e25..6b239aab1005 100644
--- a/lib/libc/locale/isalnum.3
+++ b/lib/libc/locale/isalnum.3
@@ -51,7 +51,7 @@
 .Sh DESCRIPTION
 The
 .Fn isalnum
-function tests for any character for which 
+function tests for any character for which
 .Xr isalpha 3
 or
 .Xr isdigit 3
diff --git a/lib/libc/locale/isalpha.3 b/lib/libc/locale/isalpha.3
index 80953cde6858..54d7e2064cdd 100644
--- a/lib/libc/locale/isalpha.3
+++ b/lib/libc/locale/isalpha.3
@@ -46,7 +46,7 @@
 .Lb libc
 .Sh SYNOPSIS
 .Fd #include <ctype.h>
-.Ft int 
+.Ft int
 .Fn isalpha "int c"
 .Sh DESCRIPTION
 The
diff --git a/lib/libc/locale/isascii.3 b/lib/libc/locale/isascii.3
index 027f79453933..0a67f79ac122 100644
--- a/lib/libc/locale/isascii.3
+++ b/lib/libc/locale/isascii.3
@@ -49,7 +49,7 @@ The
 .Fn isascii
 function tests for an
 .Tn ASCII
-character, which is any character 
+character, which is any character
 between 0 and octal 0177 inclusive.
 .Sh SEE ALSO
 .Xr ctype 3 ,
diff --git a/lib/libc/locale/mbrune.3 b/lib/libc/locale/mbrune.3
index 680b01ecaa4b..959f8395b254 100644
--- a/lib/libc/locale/mbrune.3
+++ b/lib/libc/locale/mbrune.3
@@ -133,11 +133,11 @@ if the character does not appear in the string.
 The
 .Fn mbmb
 function
-returns a pointer to the 
+returns a pointer to the
 .Fa pattern ,
 or
 .Dv NULL
-if the 
+if the
 .Fa pattern
 does not appear in the string.
 .Sh "SEE ALSO
diff --git a/lib/libc/locale/multibyte.3 b/lib/libc/locale/multibyte.3
index a78a4a226a29..52ee84eb12fb 100644
--- a/lib/libc/locale/multibyte.3
+++ b/lib/libc/locale/multibyte.3
@@ -164,7 +164,7 @@ the result in
 .Fa mbchar .
 The object pointed to by
 .Fa mbchar
-must be large enough to accommodate the multibyte character.  
+must be large enough to accommodate the multibyte character.
 .Pp
 The
 .Fn mbstowcs
diff --git a/lib/libc/locale/rune.3 b/lib/libc/locale/rune.3
index a9452747dfcb..04bbdc79ba2a 100644
--- a/lib/libc/locale/rune.3
+++ b/lib/libc/locale/rune.3
@@ -119,7 +119,7 @@ will point to
 If there is an encoding error at the start of
 .Fa string ,
 .Dv _INVALID_RUNE
-is returned and 
+is returned and
 .Fa *result
 will point to the second character of
 .Fa string .
@@ -160,7 +160,7 @@ is not
 .Fa *result
 will be set to
 .Dv NULL .
-In all cases, 
+In all cases,
 .Fn sputrune
 will return the number of bytes which would be needed to store
 .Fa rune
@@ -170,7 +170,7 @@ The
 .Fn fgetrune
 function operates the same as
 .Fn sgetrune
-with the exception that it attempts to read enough bytes from 
+with the exception that it attempts to read enough bytes from
 .Fa stream
 to decode a single rune.  It returns either
 .Dv EOF
@@ -185,7 +185,7 @@ function pushes the multibyte encoding, as provided by
 of
 .Fa rune
 onto
-.Fa stream 
+.Fa stream
 such that the next
 .Fn fgetrune
 call will return
@@ -242,7 +242,7 @@ as a multibyte string.
 .Bl -tag -width /usr/share/locale/locale/LC_CTYPE -compact
 .It Pa $PATH_LOCALE/ Ns Em locale Ns /LC_CTYPE
 .It Pa /usr/share/locale/ Ns Em locale Ns /LC_CTYPE
-binary LC_CTYPE file for the locale 
+binary LC_CTYPE file for the locale
 .Em locale .
 .El
 .Sh SEE ALSO
diff --git a/lib/libc/locale/setlocale.3 b/lib/libc/locale/setlocale.3
index 0a545b8eaa27..b705bf7ea964 100644
--- a/lib/libc/locale/setlocale.3
+++ b/lib/libc/locale/setlocale.3
@@ -280,9 +280,9 @@ or
 .Bl -tag -width /usr/share/locale/locale/category -compact
 .It Pa $PATH_LOCALE/ Ns Em locale/category
 .It Pa /usr/share/locale/ Ns Em locale/category
-locale file for the locale 
+locale file for the locale
 .Em locale
-and the category 
+and the category
 .Em category .
 .El
 .Sh "SEE ALSO
diff --git a/lib/libc/locale/toupper.3 b/lib/libc/locale/toupper.3
index 337a2051c7ff..f9734e211158 100644
--- a/lib/libc/locale/toupper.3
+++ b/lib/libc/locale/toupper.3
@@ -51,7 +51,7 @@
 .Sh DESCRIPTION
 The
 .Fn toupper
-function converts a lower-case letter to the corresponding 
+function converts a lower-case letter to the corresponding
 upper-case letter.
 For single C
 .Va char Ns s
diff --git a/lib/libc/net/addr2ascii.3 b/lib/libc/net/addr2ascii.3
index ced73497c4e8..b9f6fa9022d2 100644
--- a/lib/libc/net/addr2ascii.3
+++ b/lib/libc/net/addr2ascii.3
@@ -12,7 +12,7 @@
 .\" no representations about the suitability of this software for any
 .\" purpose.  It is provided "as is" without express or implied
 .\" warranty.
-.\" 
+.\"
 .\" THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''.  M.I.T. DISCLAIMS
 .\" ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
 .\" INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
@@ -146,7 +146,7 @@ inet_ntoa(struct in_addr addr)
 int
 inet_aton(const char *ascii, struct in_addr *addr)
 {
-	return (ascii2addr(AF_INET, ascii, addr) 
+	return (ascii2addr(AF_INET, ascii, addr)
 	    == sizeof(*addr));
 }
 .Ed
diff --git a/lib/libc/net/byteorder.3 b/lib/libc/net/byteorder.3
index a38ba8205ef7..2b805f01b5ad 100644
--- a/lib/libc/net/byteorder.3
+++ b/lib/libc/net/byteorder.3
@@ -70,7 +70,7 @@ and
 .Sh HISTORY
 The
 .Nm byteorder
-functions appeared in 
+functions appeared in
 .Bx 4.2 .
 .Sh BUGS
 On the
diff --git a/lib/libc/net/ethers.3 b/lib/libc/net/ethers.3
index 31aa7d776b9d..559c9e865ae4 100644
--- a/lib/libc/net/ethers.3
+++ b/lib/libc/net/ethers.3
@@ -115,7 +115,7 @@ and
 functions map ethernet addresses to their corresponding hostnames
 as specified in the
 .Pa /etc/ethers
-database. 
+database.
 .Fn ether_ntohost
 converts from ethernet address to hostname, and
 .Fn ether_hostton
@@ -132,7 +132,7 @@ structure
 and the hostname in the supplied string
 .Ar h .
 .Pp
-On success, 
+On success,
 .Fn ether_ntoa
 returns a pointer to a string containing an
 .Tn ASCII
diff --git a/lib/libc/net/gethostbyname.3 b/lib/libc/net/gethostbyname.3
index 892fdc64fb77..fb7976bf9c55 100644
--- a/lib/libc/net/gethostbyname.3
+++ b/lib/libc/net/gethostbyname.3
@@ -161,7 +161,7 @@ If the
 flag is non-zero,
 this sets the option to send all queries to the name server using
 .Tn TCP
-and to retain the connection after each call to 
+and to retain the connection after each call to
 .Fn gethostbyname ,
 .Fn gethostbyname2
 or
@@ -200,7 +200,7 @@ parameter.
 .It Pa /etc/resolv.conf
 .El
 .Sh DIAGNOSTICS
-Error return status from 
+Error return status from
 .Fn gethostbyname ,
 .Fn gethostbyname2
 and
@@ -235,8 +235,8 @@ A retry at some later time may succeed.
 Some unexpected server failure was encountered.
 This is a non-recoverable error.
 .It Dv NO_DATA
-The requested name is valid but does not have an IP address; 
-this is not a temporary error.  
+The requested name is valid but does not have an IP address;
+this is not a temporary error.
 This means that the name is known to the name server but there is no address
 associated with this name.
 Another type of request to the name server using this domain name
@@ -292,7 +292,7 @@ closes the file.
 .Sh HISTORY
 The
 .Fn herror
-function appeared in 
+function appeared in
 .Bx 4.3 .
 The
 .Fn endhostent ,
diff --git a/lib/libc/net/getnetent.3 b/lib/libc/net/getnetent.3
index 086f4c3de9a7..c28917016f18 100644
--- a/lib/libc/net/getnetent.3
+++ b/lib/libc/net/getnetent.3
@@ -101,7 +101,7 @@ function
 opens and rewinds the file.  If the
 .Fa stayopen
 flag is non-zero,
-the net data base will not be closed after each call to 
+the net data base will not be closed after each call to
 .Fn getnetbyname
 or
 .Fn getnetbyaddr .
@@ -149,7 +149,7 @@ The
 .Fn setnetent ,
 and
 .Fn endnetent
-functions appeared in 
+functions appeared in
 .Bx 4.2 .
 .Sh BUGS
 The data space used by
diff --git a/lib/libc/net/getprotoent.3 b/lib/libc/net/getprotoent.3
index 22dba9ccc251..a35ced1237ad 100644
--- a/lib/libc/net/getprotoent.3
+++ b/lib/libc/net/getprotoent.3
@@ -98,7 +98,7 @@ function
 opens and rewinds the file.  If the
 .Fa stayopen
 flag is non-zero,
-the net data base will not be closed after each call to 
+the net data base will not be closed after each call to
 .Fn getprotobyname
 or
 .Fn getprotobynumber .
@@ -139,7 +139,7 @@ The
 .Fn setprotoent ,
 and
 .Fn endprotoent
-functions appeared in 
+functions appeared in
 .Bx 4.2 .
 .Sh BUGS
 These functions use a static data space;
diff --git a/lib/libc/net/getservent.3 b/lib/libc/net/getservent.3
index 06b2d5044be2..a5d94f476b68 100644
--- a/lib/libc/net/getservent.3
+++ b/lib/libc/net/getservent.3
@@ -47,7 +47,7 @@
 .Sh SYNOPSIS
 .Fd #include <netdb.h>
 .Ft struct servent *
-.Fn getservent 
+.Fn getservent
 .Ft struct servent *
 .Fn getservbyname "const char *name" "const char *proto"
 .Ft struct servent *
@@ -102,7 +102,7 @@ function
 opens and rewinds the file.  If the
 .Fa stayopen
 flag is non-zero,
-the net data base will not be closed after each call to 
+the net data base will not be closed after each call to
 .Fn getservbyname
 or
 .Fn getservbyport .
@@ -126,7 +126,7 @@ or until
 .Dv EOF
 is encountered.
 If a protocol name is also supplied (non-
-.Dv NULL ) , 
+.Dv NULL ) ,
 searches must also match the protocol.
 .Sh FILES
 .Bl -tag -width /etc/services -compact
@@ -148,7 +148,7 @@ The
 .Fn setservent ,
 and
 .Fn endservent
-functions appeared in 
+functions appeared in
 .Bx 4.2 .
 .Sh BUGS
 These functions use static data storage;
diff --git a/lib/libc/net/inet.3 b/lib/libc/net/inet.3
index 270f3dc10e7c..48f1f53705d2 100644
--- a/lib/libc/net/inet.3
+++ b/lib/libc/net/inet.3
@@ -53,7 +53,7 @@
 .Fd #include <sys/socket.h>
 .Fd #include <netinet/in.h>
 .Fd #include <arpa/inet.h>
-.Ft int 
+.Ft int
 .Fn inet_aton "const char *cp" "struct in_addr *pin"
 .Ft in_addr_t
 .Fn inet_addr "const char *cp"
@@ -65,7 +65,7 @@
 .Fn inet_ntop "int af" "const void *src" "char *dst" "size_t size"
 .Ft int
 .Fn inet_pton "int af" "const char *src" "void *dst"
-.Ft struct in_addr 
+.Ft struct in_addr
 .Fn inet_makeaddr "in_addr_t net" "in_addr_t lna"
 .Ft in_addr_t
 .Fn inet_lnaof "struct in_addr in"
@@ -248,7 +248,7 @@ This is a narrower input set than that accepted by
 .Fn inet_aton .
 .Sh HISTORY
 These
-functions appeared in 
+functions appeared in
 .Bx 4.2 .
 .Sh BUGS
 The value
diff --git a/lib/libc/net/inet6_option_space.3 b/lib/libc/net/inet6_option_space.3
index 82365484f0eb..c2338fcadd9d 100644
--- a/lib/libc/net/inet6_option_space.3
+++ b/lib/libc/net/inet6_option_space.3
@@ -323,7 +323,7 @@ called for a given ancillary data object,
 .Fa *tptrp
 must be set to
 .Dv NULL .
-.Pp 
+.Pp
 Each time this function returns success,
 .Fa *tptrp
 points to the 8-bit
@@ -409,7 +409,7 @@ return
 .Li -1
 setting
 .Fa *tptrp
-to non 
+to non
 .Dv NULL
 value.
 .\"
diff --git a/lib/libc/net/iso_addr.3 b/lib/libc/net/iso_addr.3
index 5f825c0c93ff..4bc3ed1725fc 100644
--- a/lib/libc/net/iso_addr.3
+++ b/lib/libc/net/iso_addr.3
@@ -63,7 +63,7 @@ addresses and returns
 .Tn ASCII
 strings representing NSAPs (network service
 access points) in a
-notation inverse to that accepted by 
+notation inverse to that accepted by
 .Fn iso_addr .
 .Pp
 Unfortunately, no universal standard exists for representing
@@ -101,7 +101,7 @@ The
 .Fn iso_addr
 and
 .Fn iso_ntoa
-functions appeared in 
+functions appeared in
 .Bx 4.3 Reno .
 .Sh BUGS
 The returned values
diff --git a/lib/libc/net/linkaddr.3 b/lib/libc/net/linkaddr.3
index 9dd9e2edb187..9729ee608235 100644
--- a/lib/libc/net/linkaddr.3
+++ b/lib/libc/net/linkaddr.3
@@ -116,7 +116,7 @@ The
 .Fn link_addr
 and
 .Fn link_ntoa
-functions appeared in 
+functions appeared in
 .Bx 4.3 Reno  .
 .Sh BUGS
 The returned values for link_ntoa
diff --git a/lib/libc/net/ns.3 b/lib/libc/net/ns.3
index 0376d9047520..5616de4ec7eb 100644
--- a/lib/libc/net/ns.3
+++ b/lib/libc/net/ns.3
@@ -46,7 +46,7 @@ address conversion routines
 .Sh SYNOPSIS
 .Fd #include <sys/types.h>
 .Fd #include <netns/ns.h>
-.Ft struct ns_addr 
+.Ft struct ns_addr
 .Fn ns_addr "char *cp"
 .Ft char *
 .Fn ns_ntoa "struct ns_addr ns"
@@ -70,7 +70,7 @@ notation in common use in the Xerox Development Environment:
 .Ed
 .Pp
 Trailing zero fields are suppressed, and each number is printed in hexadecimal,
-in a format suitable for input to 
+in a format suitable for input to
 .Fn ns_addr .
 Any fields lacking super-decimal digits will have a
 trailing
@@ -121,7 +121,7 @@ The
 .Fn ns_addr
 and
 .Fn ns_toa
-functions appeared in 
+functions appeared in
 .Bx 4.3 .
 .Sh BUGS
 The string returned by
diff --git a/lib/libc/net/rcmd.3 b/lib/libc/net/rcmd.3
index 899bd9e55d75..3c676cb18f0b 100644
--- a/lib/libc/net/rcmd.3
+++ b/lib/libc/net/rcmd.3
@@ -104,7 +104,7 @@ If the connection succeeds,
 a socket in the Internet domain of type
 .Dv SOCK_STREAM
 is returned to the caller, and given to the remote
-command as 
+command as
 .Em stdin
 and
 .Em stdout .
@@ -122,10 +122,10 @@ signal numbers, to be
 forwarded to the process group of the command.
 If
 .Fa fd2p
-is 0, then the 
+is 0, then the
 .Em stderr
 (unit 2 of the remote
-command) will be made the same as the 
+command) will be made the same as the
 .Em stdout
 and no
 provision is made for sending arbitrary signals to the remote process,
@@ -138,7 +138,7 @@ The
 .Fn rresvport
 function is used to obtain a socket to which an address with a Privileged
 Internet port is bound.
-This socket is suitable for use by 
+This socket is suitable for use by
 .Fn rcmd
 and several other functions.
 Privileged Internet ports are those in the range 0 to 1023.
@@ -284,7 +284,7 @@ is overloaded to mean ``All network ports in use.''
 .Re
 .Sh HISTORY
 Most of these
-functions appeared in 
+functions appeared in
 .Bx 4.2 .
 .Fn rresvport_af
 appeared in RFC2292, and was implemented by the WIDE project
diff --git a/lib/libc/net/resolver.3 b/lib/libc/net/resolver.3
index e06a5fd7c6ac..32144815e147 100644
--- a/lib/libc/net/resolver.3
+++ b/lib/libc/net/resolver.3
@@ -87,7 +87,7 @@
 .Fa "int anslen"
 .Fc
 .Ft int
-.Fn res_init 
+.Fn res_init
 .Fo dn_comp
 .Fa "const char *exp_dn"
 .Fa "u_char *comp_dn"
@@ -364,5 +364,5 @@ see
 .Sh HISTORY
 The
 .Nm
-function appeared in 
+function appeared in
 .Bx 4.3 .
diff --git a/lib/libc/nls/catclose.3 b/lib/libc/nls/catclose.3
index 0fcbfe9d8c22..c29b45d9d493 100644
--- a/lib/libc/nls/catclose.3
+++ b/lib/libc/nls/catclose.3
@@ -42,7 +42,7 @@
 .Sh DESCRIPTION
 The
 .Fn catclose
-function closes the message catalog specified by the argument 
+function closes the message catalog specified by the argument
 .Fa catd .
 .Sh RETURN VALUES
 .Rv -std catclose
diff --git a/lib/libc/nls/catgets.3 b/lib/libc/nls/catgets.3
index fda5f367b184..f566abbfdccb 100644
--- a/lib/libc/nls/catgets.3
+++ b/lib/libc/nls/catgets.3
@@ -32,7 +32,7 @@
 .Os
 .Sh NAME
 .Nm catgets
-.Nd retrieve string from message catalog 
+.Nd retrieve string from message catalog
 .Sh LIBRARY
 .Lb libc
 .Sh SYNOPSIS
@@ -40,20 +40,20 @@
 .Ft char *
 .Fn catgets "nl_catd catd" "int set_id" "int msg_id" "const char *s"
 .Sh DESCRIPTION
-The 
-.Fn catgets 
+The
+.Fn catgets
 function attempts to retrieve message
 .Fa msg_id
 of set
 .Fa set_id
 from the message catalog referenced by the descriptor
 .Fa catd .
-The argument 
+The argument
 .Fa s
 points to a default message which is returned if the function
 is unable to retrieve the specified message.
 .Sh RETURN VALUES
-If the specified message was retrieved successfully, 
+If the specified message was retrieved successfully,
 .Fn catgets
 returns a pointer to an internal buffer containing the message string;
 otherwise it returns
diff --git a/lib/libc/nls/catopen.3 b/lib/libc/nls/catopen.3
index 68cf8930935b..4c0dccc94d29 100644
--- a/lib/libc/nls/catopen.3
+++ b/lib/libc/nls/catopen.3
@@ -32,7 +32,7 @@
 .Os
 .Sh NAME
 .Nm catopen
-.Nd open message catalog 
+.Nd open message catalog
 .Sh LIBRARY
 .Lb libc
 .Sh SYNOPSIS
@@ -40,21 +40,21 @@
 .Ft nl_catd
 .Fn catopen "const char *name" "int oflag"
 .Sh DESCRIPTION
-The 
+The
 .Fn catopen
 function opens the message catalog specified by
-.Fa name 
+.Fa name
 and returns a message catalog descriptor.
 If
 .Fa name
 contains a
-.Sq / 
-then 
+.Sq /
+then
 .Fa name
-specifies the full pathname for the message catalog, otherwise the value 
+specifies the full pathname for the message catalog, otherwise the value
 of the environment variable
-.Ev NLSPATH 
-is used with 
+.Ev NLSPATH
+is used with
 the following substitutions:
 .Bl -tag -width XXX
 .It \&%N
@@ -86,7 +86,7 @@ environment variable or from the
 .Dv LC_MESSAGES
 category.
 .It \&%%
-A single % character. 
+A single % character.
 .El
 .Pp
 An empty string is substituted for undefined values.
@@ -124,11 +124,11 @@ until a successful call to one of the
 .Xr exec 3
 function.
 .Sh RETURN VALUES
-Upon successful completion, 
+Upon successful completion,
 .Fn catopen
 returns a message catalog descriptor.
 Otherwise, (nl_catd) -1 is returned and
-.Va errno 
+.Va errno
 is set to indicate the error.
 .Sh ERRORS
 .Bl -tag -width Er
diff --git a/lib/libc/regex/re_format.7 b/lib/libc/regex/re_format.7
index b6fb9de0cba7..2b6655cd3bf5 100644
--- a/lib/libc/regex/re_format.7
+++ b/lib/libc/regex/re_format.7
@@ -230,7 +230,7 @@ and
 stands for the
 sequence of characters of that collating element.
 The sequence is a single element of the bracket expression's list.
-A bracket expression containing a multi-character collating element 
+A bracket expression containing a multi-character collating element
 can thus match more than one character,
 e.g. if the collating sequence includes a
 .Ql ch
@@ -419,7 +419,7 @@ RE or the beginning of a parenthesized subexpression
 Finally, there is one new type of atom, a
 .Em back reference :
 .Ql \e
-followed by a non-zero decimal digit 
+followed by a non-zero decimal digit
 .Em d
 matches the same sequence of characters
 matched by the
diff --git a/lib/libc/rpc/getrpcent.3 b/lib/libc/rpc/getrpcent.3
index 208e5d0ea104..efd910571c9b 100644
--- a/lib/libc/rpc/getrpcent.3
+++ b/lib/libc/rpc/getrpcent.3
@@ -64,7 +64,7 @@ flag is non-zero,
 the net data base will not be closed after each call to
 .Fn getrpcent
 (either directly, or indirectly through one of
-the other 
+the other
 .Fn getrpcent
 function family.
 .Pp
@@ -88,7 +88,7 @@ program number is found, or until end-of-file is encountered.
 .Sh DIAGNOSTICS
 A
 .Dv NULL
-pointer is returned on 
+pointer is returned on
 .Dv EOF
 or error.
 .Sh BUGS
diff --git a/lib/libc/stdio/fgets.3 b/lib/libc/stdio/fgets.3
index c84d6bdd486d..427b88ed52e9 100644
--- a/lib/libc/stdio/fgets.3
+++ b/lib/libc/stdio/fgets.3
@@ -85,11 +85,11 @@ if any, is sufficiently short to fit in the string.
 .Sh RETURN VALUES
 Upon successful completion,
 .Fn fgets
-and 
+and
 .Fn gets
 return
 a pointer to the string.
-If end-of-file occurs before any characters are read, 
+If end-of-file occurs before any characters are read,
 they return
 .Dv NULL
 and the buffer contents is unchanged.
diff --git a/lib/libc/stdio/fseek.3 b/lib/libc/stdio/fseek.3
index f12e0471d03d..9a58668013b6 100644
--- a/lib/libc/stdio/fseek.3
+++ b/lib/libc/stdio/fseek.3
@@ -77,7 +77,7 @@ The new position, measured in bytes, is obtained by adding
 .Fa offset
 bytes to the position specified by
 .Fa whence .
-If 
+If
 .Fa whence
 is set to
 .Dv SEEK_SET ,
@@ -143,7 +143,7 @@ and
 (with whence set to
 .Dv SEEK_SET ) ,
 setting and storing the current value of
-the file offset into or from the object referenced by 
+the file offset into or from the object referenced by
 .Fa pos .
 On some
 .Pq non- Ns Tn UNIX
@@ -180,7 +180,7 @@ is not a seekable stream.
 .It Bq Er EINVAL
 The
 .Fa whence
-argument to 
+argument to
 .Fn fseek
 was not
 .Dv SEEK_SET ,
@@ -188,7 +188,7 @@ was not
 or
 .Dv SEEK_CUR .
 .It Bq Er EOVERFLOW
-For 
+For
 .Fn ftell ,
 the resulting file offset would be a value which
 cannot be represented correctly in an object of type long.
@@ -208,7 +208,7 @@ for any of the errors specified for the routines
 .Xr fflush 3 ,
 .Xr fstat 2 ,
 .Xr lseek 2 ,
-and 
+and
 .Xr malloc 3 .
 .Sh SEE ALSO
 .Xr lseek 2
@@ -225,7 +225,7 @@ conform to
 .St -isoC .
 .Pp
 The
-.Fn fseeko 
+.Fn fseeko
 and
 .Fn ftello
 functions conform to
diff --git a/lib/libc/stdio/funopen.3 b/lib/libc/stdio/funopen.3
index b0355145a388..e1d00409212c 100644
--- a/lib/libc/stdio/funopen.3
+++ b/lib/libc/stdio/funopen.3
@@ -58,7 +58,7 @@ The
 function
 associates a stream with up to four
 .Dq Tn I/O No functions .
-Either 
+Either
 .Fa readfn
 or
 .Fa writefn
@@ -73,7 +73,7 @@ close the new stream.
 .Pp
 In general, omitting a function means that any attempt to perform the
 associated operation on the resulting stream will fail.
-If the close function is omitted, closing the stream will flush 
+If the close function is omitted, closing the stream will flush
 any buffered output and then succeed.
 .Pp
 The calling conventions of
@@ -90,7 +90,7 @@ and
 .Xr close 2
 with the single exception that they are passed the
 .Fa cookie
-argument specified to 
+argument specified to
 .Fn funopen
 in place of the traditional file descriptor argument.
 .Pp
@@ -112,7 +112,7 @@ Additionally, all of the functions should set the external variable
 .Va errno
 appropriately if an error occurs.
 .Pp
-An error on 
+An error on
 .Fn closefn
 does not keep the stream open.
 .Pp
@@ -126,7 +126,7 @@ as calls to
 .Fn funopen
 with only a read or write function specified.
 .Sh RETURN VALUES
-Upon successful completion, 
+Upon successful completion,
 .Fn funopen
 returns a
 .Dv FILE
diff --git a/lib/libc/stdio/getc.3 b/lib/libc/stdio/getc.3
index bd099abd343c..db69606ba673 100644
--- a/lib/libc/stdio/getc.3
+++ b/lib/libc/stdio/getc.3
@@ -54,7 +54,7 @@
 .Ft int
 .Fn getc "FILE *stream"
 .Ft int
-.Fn getchar 
+.Fn getchar
 .Ft int
 .Fn getw "FILE *stream"
 .Sh DESCRIPTION
diff --git a/lib/libc/stdio/mktemp.3 b/lib/libc/stdio/mktemp.3
index 1f79e4f4eb0d..27fc96902553 100644
--- a/lib/libc/stdio/mktemp.3
+++ b/lib/libc/stdio/mktemp.3
@@ -166,25 +166,25 @@ to any value specified by the
 function.
 .Sh NOTES
 A common problem that results in a core dump is that the programmer
-passes in a read-only string to 
+passes in a read-only string to
 .Fn mktemp ,
 .Fn mkstemp ,
 .Fn mkstemps
 or
 .Fn mkdtemp .
-This is common with programs that were developed before 
+This is common with programs that were developed before
 .St -isoC
 compilers were common.
 For example, calling
 .Fn mkstemp
-with an argument of 
+with an argument of
 .Qq /tmp/tempfile.XXXXXX
-will result in a core dump due to 
+will result in a core dump due to
 .Fn mkstemp
 attempting to modify the string constant that was given.
 If the program in question makes heavy use of that type
 of function call, you do have the option of compiling the program
-so that it will store string constants in a writable segment of memory.  
+so that it will store string constants in a writable segment of memory.
 See
 .Xr gcc 1
 for more information.
@@ -196,7 +196,7 @@ are used to
 increase the number of possible temporary filenames.
 This makes the race in
 .Fn mktemp ,
-between testing for a file's existence (in the 
+between testing for a file's existence (in the
 .Fn mktemp
 function call)
 and opening it for use
@@ -232,13 +232,13 @@ The
 .Fn mkstemp
 function appeared in
 .Bx 4.4 .
-The 
+The
 .Fn mkdtemp
 function first appeared in
 .Ox 2.2 ,
 and later in
 .Fx 3.2 .
-The 
+The
 .Fn mkstemps
 function first appeared in
 .Ox 2.4 ,
diff --git a/lib/libc/stdio/remove.3 b/lib/libc/stdio/remove.3
index 6627afa802b6..a79219f8e5c8 100644
--- a/lib/libc/stdio/remove.3
+++ b/lib/libc/stdio/remove.3
@@ -63,7 +63,7 @@ is the equivalent of
 Otherwise, it is the equivalent of
 .Fn unlink "path" .
 .Sh RETURN VALUES
-Upon successful completion, 
+Upon successful completion,
 .Fn remove
 returns 0.
 Otherwise, \-1 is returned and the global variable
diff --git a/lib/libc/stdio/setbuf.3 b/lib/libc/stdio/setbuf.3
index e9fa07972b6f..67179f42c7cf 100644
--- a/lib/libc/stdio/setbuf.3
+++ b/lib/libc/stdio/setbuf.3
@@ -69,7 +69,7 @@ output or input is read from any stream attached to a terminal device
 The function
 .Xr fflush 3
 may be used to force the block out early.
-(See 
+(See
 .Xr fclose 3 . )
 .Pp
 Normally all files are block buffered.
@@ -108,7 +108,7 @@ The
 parameter may be given as zero
 to obtain deferred optimal-size buffer allocation as usual.
 If it is not zero,
-then except for unbuffered files, the 
+then except for unbuffered files, the
 .Fa buf
 argument should point to a buffer at least
 .Fa size
@@ -135,7 +135,7 @@ but may have peculiar side effects
 (such as discarding input or flushing output)
 if the stream is ``active''.
 Portable applications should call it only once on any given stream,
-and before any 
+and before any
 .Tn I/O
 is performed.
 .Pp
diff --git a/lib/libc/stdio/stdio.3 b/lib/libc/stdio/stdio.3
index 10d79ba8d6e7..3bca0aae6483 100644
--- a/lib/libc/stdio/stdio.3
+++ b/lib/libc/stdio/stdio.3
@@ -117,10 +117,10 @@ At program startup, three streams are predefined and need not be
 opened explicitly:
 .Bl -bullet -compact -offset indent
 .It
-.Em standard input 
+.Em standard input
 (for reading conventional input),
 .It
-.Em standard output 
+.Em standard output
 (for writing conventional output), and
 .It
 .Em standard error
diff --git a/lib/libc/stdio/tmpnam.3 b/lib/libc/stdio/tmpnam.3
index ed71236223de..f5e534181b5a 100644
--- a/lib/libc/stdio/tmpnam.3
+++ b/lib/libc/stdio/tmpnam.3
@@ -89,7 +89,7 @@ In either case,
 .Fn tmpnam
 returns a pointer to the file name.
 .Pp
-The buffer referenced by 
+The buffer referenced by
 .Fa str
 is expected to be at least
 .Dv L_tmpnam
diff --git a/lib/libc/stdlib/alloca.3 b/lib/libc/stdlib/alloca.3
index 0480a0ba7594..de09a0384241 100644
--- a/lib/libc/stdlib/alloca.3
+++ b/lib/libc/stdlib/alloca.3
@@ -48,7 +48,7 @@
 The
 .Fn alloca
 function
-allocates 
+allocates
 .Fa size
 bytes of space in the stack frame of the caller.
 This temporary space is automatically freed on
@@ -76,6 +76,6 @@ is machine dependent; its use is discouraged.
 .\" .Fn alloca
 .\" function appeared in
 .\" .Bx ?? .
-.\" The function appeared in 32v, pwb and pwb.2 and in 3bsd 4bsd 
+.\" The function appeared in 32v, pwb and pwb.2 and in 3bsd 4bsd
 .\" The first man page (or link to a man page that I can find at the
 .\" moment is 4.3...
diff --git a/lib/libc/stdlib/bsearch.3 b/lib/libc/stdlib/bsearch.3
index 81007969168c..a148f5e992cb 100644
--- a/lib/libc/stdlib/bsearch.3
+++ b/lib/libc/stdlib/bsearch.3
@@ -53,12 +53,12 @@ The
 .Fn bsearch
 function searches an array of
 .Fa nmemb
-objects, the initial member of which is 
+objects, the initial member of which is
 pointed to by
 .Fa base ,
 for a member that matches the object pointed to by
 .Fa key .
-The size of each member of the array is specified by 
+The size of each member of the array is specified by
 .Fa size .
 .Pp
 The contents of the array should be in ascending sorted order according
diff --git a/lib/libc/stdlib/exit.3 b/lib/libc/stdlib/exit.3
index 4b6dd788b367..663eea6deb94 100644
--- a/lib/libc/stdlib/exit.3
+++ b/lib/libc/stdlib/exit.3
@@ -72,7 +72,7 @@ function.
 Passing arbitrary values back to the environment as
 .Ar status
 is considered bad style;
-you should use the values 
+you should use the values
 .Dv EXIT_SUCCESS
 and
 .Dv EXIT_FAILURE .
diff --git a/lib/libc/stdlib/getenv.3 b/lib/libc/stdlib/getenv.3
index e639b5292af7..a0feb2bf60c3 100644
--- a/lib/libc/stdlib/getenv.3
+++ b/lib/libc/stdlib/getenv.3
@@ -66,7 +66,7 @@ the given arguments
 .Ar name
 and
 .Ar value
-may be appended and prepended, 
+may be appended and prepended,
 respectively,
 with an equal sign
 .Dq Li \&= .
diff --git a/lib/libc/stdlib/getopt.3 b/lib/libc/stdlib/getopt.3
index d9d69c1411d7..d0782f3a1e33 100644
--- a/lib/libc/stdlib/getopt.3
+++ b/lib/libc/stdlib/getopt.3
@@ -124,7 +124,7 @@ The
 .Fn getopt
 function
 returns \-1
-when the argument list is exhausted, or 
+when the argument list is exhausted, or
 .Ql ?\&
 if a non-recognized
 option is encountered.
@@ -152,8 +152,8 @@ Setting
 .Va opterr
 to a zero will disable these error messages.
 If
-.Va optstring 
-has a leading 
+.Va optstring
+has a leading
 .Ql \&:
 then a missing option argument causes a
 .Ql \&:
@@ -202,13 +202,13 @@ function appeared in
 The
 .Fn getopt
 function was once specified to return
-.Dv EOF 
+.Dv EOF
 instead of \-1.
 This was changed by
 .St -p1003.2-92
-to decouple 
+to decouple
 .Fn getopt
-from 
+from
 .Pa <stdio.h> .
 .Pp
 A single dash
diff --git a/lib/libc/stdlib/malloc.3 b/lib/libc/stdlib/malloc.3
index f80e404c5f6b..589b07f4692d 100644
--- a/lib/libc/stdlib/malloc.3
+++ b/lib/libc/stdlib/malloc.3
@@ -146,7 +146,7 @@ The ``name'' of the file referenced by the symbolic link named
 the value of the environment variable
 .Ev MALLOC_OPTIONS ,
 and the string pointed to by the global variable
-.Va malloc_options 
+.Va malloc_options
 will be interpreted, in that order, character by character as flags.
 .Pp
 Most flags are single letters,
@@ -197,7 +197,7 @@ Consult the source for details on this option.
 .It V
 Attempting to allocate zero bytes will return a NULL pointer instead of
 a valid pointer.
-(The default behavior is to make a minimal allocation and return a 
+(The default behavior is to make a minimal allocation and return a
 pointer to it.)
 This option is provided for System V compatibility.
 This option is incompatible with the
@@ -236,7 +236,7 @@ The
 and
 .Dq Z
 options are intended for testing and debugging.
-An application which changes its behavior when these options are used 
+An application which changes its behavior when these options are used
 is flawed.
 .Sh EXAMPLES
 To set a systemwide reduction of cache size, and to dump core whenever
@@ -310,8 +310,8 @@ done by a process.
 .Ed
 .Pp
 A side effect of this architecture is that many minor transgressions on
-the interface which would traditionally not be detected are in fact 
-detected.  As a result, programs that have been running happily for 
+the interface which would traditionally not be detected are in fact
+detected.  As a result, programs that have been running happily for
 years may suddenly start to complain loudly, when linked with this
 allocation implementation.
 .Pp
@@ -351,7 +351,7 @@ There are a number of allocation implementations available on the 'Net
 which focus on detecting and pinpointing problems by trading performance
 for extra sanity checks and detailed diagnostics.
 .Sh DIAGNOSTIC MESSAGES
-If 
+If
 .Fn malloc ,
 .Fn calloc ,
 .Fn realloc
@@ -449,8 +449,8 @@ Please report any problems to him at
 .Aq phk@FreeBSD.org .
 .Sh HISTORY
 The present allocation implementation started out as a filesystem for a
-drum attached to a 20bit binary challenged computer which was built 
-with discrete germanium transistors.  It has since graduated to 
+drum attached to a 20bit binary challenged computer which was built
+with discrete germanium transistors.  It has since graduated to
 handle primary storage rather than secondary.
 It first appeared in its new shape and ability in
 .Fx 2.2 .
diff --git a/lib/libc/stdlib/qsort.3 b/lib/libc/stdlib/qsort.3
index 7c09dac0bf92..da4df561f565 100644
--- a/lib/libc/stdlib/qsort.3
+++ b/lib/libc/stdlib/qsort.3
@@ -134,7 +134,7 @@ The function
 .Fn mergesort
 requires additional memory of size
 .Fa nmemb *
-.Fa size 
+.Fa size
 bytes; it should be used only when space is not at a premium.
 .Fn Mergesort
 is optimized for data with pre-existing order; its worst case
diff --git a/lib/libc/stdlib/radixsort.3 b/lib/libc/stdlib/radixsort.3
index 7ce7156539ca..90a52c66aa56 100644
--- a/lib/libc/stdlib/radixsort.3
+++ b/lib/libc/stdlib/radixsort.3
@@ -66,7 +66,7 @@ Applications may specify a sort order by providing the
 .Fa table
 argument.
 If
-.Pf non- Dv NULL , 
+.Pf non- Dv NULL ,
 .Fa table
 must reference an array of
 .Dv UCHAR_MAX
@@ -109,7 +109,7 @@ particular, see D.E. Knuth's Algorithm R and section 5.2.5, exercise 10.
 They take linear time relative to the number of bytes in the strings.
 .Sh RETURN VALUES
 Upon successful completion 0 is returned.
-Otherwise, \-1 is returned and the global variable 
+Otherwise, \-1 is returned and the global variable
 .Va errno
 is set to indicate the error.
 .Sh ERRORS
diff --git a/lib/libc/stdlib/rand.3 b/lib/libc/stdlib/rand.3
index b47ff67b8809..700470063436 100644
--- a/lib/libc/stdlib/rand.3
+++ b/lib/libc/stdlib/rand.3
@@ -79,7 +79,7 @@ These sequences are repeatable by calling
 with the same seed value.
 .Pp
 If no
-.Fa seed 
+.Fa seed
 value is provided, the functions are automatically
 seeded with a value of 1.
 .Pp
diff --git a/lib/libc/stdlib/random.3 b/lib/libc/stdlib/random.3
index daa834568ba5..2b07a204382f 100644
--- a/lib/libc/stdlib/random.3
+++ b/lib/libc/stdlib/random.3
@@ -46,7 +46,7 @@
 .Lb libc
 .Sh SYNOPSIS
 .Fd #include <stdlib.h>
-.Ft long 
+.Ft long
 .Fn random void
 .Ft void
 .Fn srandom "unsigned long seed"
@@ -70,7 +70,7 @@ The period of this random number generator is very large, approximately
 .if n 16*((2**31)\(mi1).
 .Pp
 The
-.Fn random 
+.Fn random
 and
 .Fn srandom
 functions have (almost) the same calling sequence and initialization properties as the
@@ -94,7 +94,7 @@ Like
 will by default produce a sequence of numbers that can be duplicated
 by calling
 .Fn srandom
-with 
+with
 .Ql 1
 as the seed.
 .Pp
@@ -179,7 +179,7 @@ messages are printed on the standard error output.
 .Xr urandom 4
 .Sh HISTORY
 These
-functions appeared in 
+functions appeared in
 .Bx 4.2 .
 .Sh BUGS
 About 2/3 the speed of
diff --git a/lib/libc/stdlib/realpath.3 b/lib/libc/stdlib/realpath.3
index 9e50e7d612e3..51767705f259 100644
--- a/lib/libc/stdlib/realpath.3
+++ b/lib/libc/stdlib/realpath.3
@@ -70,7 +70,7 @@ refer to a buffer capable of storing at least
 .Dv MAXPATHLEN
 characters.
 .Pp
-The 
+The
 .Fn realpath
 function will resolve both absolute and relative paths
 and return the absolute pathname corresponding to
diff --git a/lib/libc/stdlib/strtod.3 b/lib/libc/stdlib/strtod.3
index 58a2160cf750..d11c4f1d6a20 100644
--- a/lib/libc/stdlib/strtod.3
+++ b/lib/libc/stdlib/strtod.3
@@ -53,7 +53,7 @@ string to double
 .Sh DESCRIPTION
 The
 .Fn strtod
-function converts the initial portion of the string 
+function converts the initial portion of the string
 pointed to by
 .Fa nptr
 to
@@ -96,7 +96,7 @@ is stored in
 If the correct value would cause underflow, zero is
 returned and
 .Er ERANGE
-is stored in 
+is stored in
 .Va errno .
 .Sh ERRORS
 .Bl -tag -width Er
diff --git a/lib/libc/stdlib/system.3 b/lib/libc/stdlib/system.3
index ef9b06f6584d..d0afe0537c9a 100644
--- a/lib/libc/stdlib/system.3
+++ b/lib/libc/stdlib/system.3
@@ -80,9 +80,9 @@ The
 function
 returns the exit status of the shell as returned by
 .Xr waitpid 2 ,
-or \-1 if an error occurred when invoking 
+or \-1 if an error occurred when invoking
 .Xr fork 2
-or 
+or
 .Xr waitpid 2 .
 A return value of 127 means the execution of the shell
 failed.
diff --git a/lib/libc/stdlib/tsearch.3 b/lib/libc/stdlib/tsearch.3
index b6d66f89b59b..7f174347ce25 100644
--- a/lib/libc/stdlib/tsearch.3
+++ b/lib/libc/stdlib/tsearch.3
@@ -24,7 +24,7 @@
 .\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 .\" ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.\"	OpenBSD: tsearch.3,v 1.2 1998/06/21 22:13:49 millert Exp 
+.\"	OpenBSD: tsearch.3,v 1.2 1998/06/21 22:13:49 millert Exp
 .\" $FreeBSD$
 .\"
 .Dd June 15, 1997
@@ -91,7 +91,7 @@ and calls the function
 on each node.
 .Fa Action
 is called with three arguments: a pointer to the current node,
-a value from the enum 
+a value from the enum
 .Sy "typedef enum { preorder, postorder, endorder, leaf } VISIT;"
 specifying the traversal type, and a node level (where level
 zero is the root of the tree).
diff --git a/lib/libc/stdtime/ctime.3 b/lib/libc/stdtime/ctime.3
index 989db255f54e..581212a12907 100644
--- a/lib/libc/stdtime/ctime.3
+++ b/lib/libc/stdtime/ctime.3
@@ -148,9 +148,9 @@ except the caller must provide the output buffer
 to store the result, which must be at least 26 characters long.
 .Fn localtime_r
 and
-.Fn gmtime_r 
-provide the same functionality as 
-.Fn localtime 
+.Fn gmtime_r
+provide the same functionality as
+.Fn localtime
 and
 .Fn gmtime
 respectively, except the caller must provide the output buffer
@@ -242,7 +242,7 @@ returns the difference between two calendar times,
 .Fa time0 ) ,
 expressed in seconds.
 .Pp
-External declarations as well as the tm structure definition are in the 
+External declarations as well as the tm structure definition are in the
 .Aq Pa time.h
 include file.
 The tm structure includes at least the following fields:
@@ -317,7 +317,7 @@ the time package contributed to Berkeley by
 and which appeared in
 .Bx 4.3 .
 .Sh BUGS
-Except for 
+Except for
 .Fn difftime ,
 .Fn mktime ,
 and the
diff --git a/lib/libc/stdtime/strptime.3 b/lib/libc/stdtime/strptime.3
index cda46cfb18a1..b69cbeea8850 100644
--- a/lib/libc/stdtime/strptime.3
+++ b/lib/libc/stdtime/strptime.3
@@ -62,7 +62,7 @@ All conversion specifications are identical to those described in
 .Pp
 Two-digit year values, including formats
 .Fa %y
-and 
+and
 .Fa \&%D ,
 are now interpreted as beginning at 1969 per POSIX requirements.
 Years 69-00 are interpreted in the 20th century (1969-2000), years
diff --git a/lib/libc/string/bcmp.3 b/lib/libc/string/bcmp.3
index 4300d1f930b5..a901c257e035 100644
--- a/lib/libc/string/bcmp.3
+++ b/lib/libc/string/bcmp.3
@@ -70,5 +70,5 @@ The strings may overlap.
 .Sh HISTORY
 A
 .Fn bcmp
-function first appeared in 
+function first appeared in
 .Bx 4.2 .
diff --git a/lib/libc/string/bcopy.3 b/lib/libc/string/bcopy.3
index 54afedf4a196..591edf04bd97 100644
--- a/lib/libc/string/bcopy.3
+++ b/lib/libc/string/bcopy.3
@@ -70,5 +70,5 @@ is zero, no bytes are copied.
 .Sh HISTORY
 A
 .Fn bcopy
-function appeared in 
+function appeared in
 .Bx 4.2 .
diff --git a/lib/libc/string/bzero.3 b/lib/libc/string/bzero.3
index ca488fc9423d..c94b18153e87 100644
--- a/lib/libc/string/bzero.3
+++ b/lib/libc/string/bzero.3
@@ -67,5 +67,5 @@ does nothing.
 A
 .Fn bzero
 function
-appeared in 
+appeared in
 .Bx 4.3 .
diff --git a/lib/libc/string/index.3 b/lib/libc/string/index.3
index 1ec56e6bbd08..d0236586df94 100644
--- a/lib/libc/string/index.3
+++ b/lib/libc/string/index.3
@@ -79,5 +79,5 @@ locates the terminating '\e0'.
 .Sh HISTORY
 A
 .Fn index
-function appeared in 
+function appeared in
 .At v6 .
diff --git a/lib/libc/string/rindex.3 b/lib/libc/string/rindex.3
index 0f9919ce29b7..e6c019f11c91 100644
--- a/lib/libc/string/rindex.3
+++ b/lib/libc/string/rindex.3
@@ -81,5 +81,5 @@ locates the terminating
 .Sh HISTORY
 A
 .Fn rindex
-function appeared in 
+function appeared in
 .At v6 .
diff --git a/lib/libc/string/strlcpy.3 b/lib/libc/string/strlcpy.3
index c26a6f31721e..f22c89711477 100644
--- a/lib/libc/string/strlcpy.3
+++ b/lib/libc/string/strlcpy.3
@@ -66,7 +66,7 @@ as long as there is at least one byte free in
 Note that you should include a byte for the NUL in
 .Fa size .
 Also note that
-.Fn strlcpy  
+.Fn strlcpy
 and
 .Fn strlcat
 only operate on true
diff --git a/lib/libc/string/strtok.3 b/lib/libc/string/strtok.3
index 297c982ec6c2..945904d5e082 100644
--- a/lib/libc/string/strtok.3
+++ b/lib/libc/string/strtok.3
@@ -16,12 +16,12 @@
 .\"
 .\" 1. Redistributions of source code must retain the above copyright
 .\"    notices, this list of conditions and the following disclaimer.
-.\" 
+.\"
 .\" 2. Redistributions in binary form must reproduce the above
 .\"    copyright notices, this list of conditions and the following
 .\"    disclaimer in the documentation and/or other materials provided
 .\"    with the distribution.
-.\" 
+.\"
 .\" 3. All advertising materials mentioning features or use of this
 .\"    software must display the following acknowledgement:
 .\"
@@ -113,7 +113,7 @@ character.
 When no more tokens remain, a null pointer is returned.
 .Sh EXAMPLES
 The following uses
-.Fn strtok_r 
+.Fn strtok_r
 to parse two strings using separate contexts:
 .Bd -literal
 char test[80], blah[80];
@@ -169,6 +169,6 @@ such a sequence of calls would always return
 Softweyr LLC:
 .Aq wes@softweyr.com
 .Pp
-Based on the 
+Based on the
 .Fx 3.0
 implementation.
diff --git a/lib/libc/sys/_exit.2 b/lib/libc/sys/_exit.2
index 770672b4fa1d..0ec1bfdf0a25 100644
--- a/lib/libc/sys/_exit.2
+++ b/lib/libc/sys/_exit.2
@@ -113,7 +113,7 @@ can never return.
 .Sh STANDARDS
 The
 .Fn _exit
-function call is expected to conform to 
+function call is expected to conform to
 .St -p1003.1-90 .
 .Sh HISTORY
 An
diff --git a/lib/libc/sys/access.2 b/lib/libc/sys/access.2
index 0de57e1cfbfd..8bb7f168c679 100644
--- a/lib/libc/sys/access.2
+++ b/lib/libc/sys/access.2
@@ -124,7 +124,7 @@ An I/O error occurred while reading from or writing to the file system.
 .Sh STANDARDS
 The
 .Fn access
-function call is expected to conform to 
+function call is expected to conform to
 .St -p1003.1-90 .
 .Sh CAVEAT
 .Fn Access
diff --git a/lib/libc/sys/acct.2 b/lib/libc/sys/acct.2
index 0dce177846fd..69d160e38787 100644
--- a/lib/libc/sys/acct.2
+++ b/lib/libc/sys/acct.2
@@ -56,7 +56,7 @@ If
 .Fa file
 is an
 .Em existing
-pathname (null-terminated), record collection is enabled and for 
+pathname (null-terminated), record collection is enabled and for
 every process initiated which terminates under normal
 conditions an accounting record is appended to
 .Fa file .
diff --git a/lib/libc/sys/adjtime.2 b/lib/libc/sys/adjtime.2
index a5e164748465..4e447c91a277 100644
--- a/lib/libc/sys/adjtime.2
+++ b/lib/libc/sys/adjtime.2
@@ -80,7 +80,7 @@ of computers in a local area network.
 Such time servers would slow down the clocks of some machines
 and speed up the clocks of others to bring them to the average network time.
 .Pp
-The call 
+The call
 .Fn adjtime
 is restricted to the super-user.
 .Sh RETURN VALUES
diff --git a/lib/libc/sys/aio_error.2 b/lib/libc/sys/aio_error.2
index e27c973da812..af5cade2c85b 100644
--- a/lib/libc/sys/aio_error.2
+++ b/lib/libc/sys/aio_error.2
@@ -46,7 +46,7 @@ associated with the structure pointed to by
 If the asynchronous I/O request has completed successfully,
 .Fn aio_error
 returns 0.  If the request has not yet completed,
-.Er EINPROGRESS 
+.Er EINPROGRESS
 is returned.  If the request has completed unsuccessfully the error
 status is returned as described in
 .Xr read 2 ,
diff --git a/lib/libc/sys/aio_read.2 b/lib/libc/sys/aio_read.2
index 1a934f749db8..c1c9ce9e6e64 100644
--- a/lib/libc/sys/aio_read.2
+++ b/lib/libc/sys/aio_read.2
@@ -48,7 +48,7 @@ beginning at the offset
 .Fa iocb->aio_offset
 into the buffer pointed to by
 .Fa iocb->aio_buf .
-The call returns immediately after the read request has 
+The call returns immediately after the read request has
 been enqueued to the descriptor; the read may or may not have
 completed at the time the call returns.
 .Pp
@@ -90,7 +90,7 @@ for these objects is discouraged.
 .Pp
 The asynchronous I/O control buffer
 .Fa iocb
-should be zeroed before the 
+should be zeroed before the
 .Fn aio_read
 call to avoid passing bogus context information to the kernel.
 .Pp
@@ -197,6 +197,6 @@ manual page was written by
 .Sh BUGS
 The value of
 .Fa iocb->aio_offset
-is ignored.  Invalid information in 
+is ignored.  Invalid information in
 .Fa iocb->_aiocb_private
 may confuse the kernel.
diff --git a/lib/libc/sys/aio_return.2 b/lib/libc/sys/aio_return.2
index 3477288bccee..64bc8c9d6dc5 100644
--- a/lib/libc/sys/aio_return.2
+++ b/lib/libc/sys/aio_return.2
@@ -45,7 +45,7 @@ associated with the structure pointed to by
 .Pp
 .Fn aio_return
 should only be called once, to obtain the final status of an asynchronous
-I/O operation once 
+I/O operation once
 .Xr aio_error 2
 returns something other than
 .Er EINPROGRESS .
@@ -59,7 +59,7 @@ or
 On failure,
 .Fn aio_return
 returns
-.Dv -1 
+.Dv -1
 and sets
 .Dv errno
 to indicate the error condition.
diff --git a/lib/libc/sys/aio_suspend.2 b/lib/libc/sys/aio_suspend.2
index 333ad82e861b..d59cb8d65e63 100644
--- a/lib/libc/sys/aio_suspend.2
+++ b/lib/libc/sys/aio_suspend.2
@@ -46,7 +46,7 @@ delivered, or the
 has passed.
 .Pp
 .Fa iocbs
-is an array of 
+is an array of
 .Fa niocb
 pointers to asynchronous I/O requests.  Array members containing
 NULL will be silently ignored.
@@ -79,7 +79,7 @@ The
 function will fail if:
 .Bl -tag -width Er
 .It Bq Er EAGAIN
-the 
+the
 .Fa timeout
 expired before any I/O requests completed.
 .It Bq Er EINVAL
diff --git a/lib/libc/sys/aio_write.2 b/lib/libc/sys/aio_write.2
index dcdbab7f6a8d..9dd948773fe3 100644
--- a/lib/libc/sys/aio_write.2
+++ b/lib/libc/sys/aio_write.2
@@ -51,9 +51,9 @@ the call returns.  If the request could not be enqueued, generally due
 to invalid arguments, the call returns without having enqueued the
 request.
 .Pp
-If 
-.Dv O_APPEND 
-is set for 
+If
+.Dv O_APPEND
+is set for
 .Fa iocb->aio_fildes ,
 .Fn aio_write
 operations append to the file in the same order as the calls were
@@ -64,7 +64,7 @@ the absolute position from the beginning of the file plus
 .Fa iocb->aio_offset .
 .Pp
 If
-.Dv _POSIX_PRIORITIZED_IO 
+.Dv _POSIX_PRIORITIZED_IO
 is defined, and the descriptor supports it, then the enqueued
 operation is submitted at a priority equal to that of the calling
 process minus
@@ -91,7 +91,7 @@ and the buffer that the
 member of that structure references must remain valid until the
 operation has completed.  For this reason, use of auto (stack) variables
 for these objects is discouraged.
-.Pp 
+.Pp
 The asynchronous I/O control buffer
 .Fa iocb
 should be zeroed before the
diff --git a/lib/libc/sys/bind.2 b/lib/libc/sys/bind.2
index 9548db68cb55..d41849802a35 100644
--- a/lib/libc/sys/bind.2
+++ b/lib/libc/sys/bind.2
@@ -48,7 +48,7 @@
 .Sh DESCRIPTION
 .Fn Bind
 assigns the local protocol address to a socket.
-When a socket is created 
+When a socket is created
 with
 .Xr socket 2
 it exists in an address family space but has no protocol address assigned.
@@ -96,7 +96,7 @@ The
 call will fail if:
 .Bl -tag -width Er
 .It Bq Er EAGAIN
-Kernel resources to complete the request are 
+Kernel resources to complete the request are
 temporarily unavilable.
 .It Bq Er EBADF
 .Fa S
diff --git a/lib/libc/sys/brk.2 b/lib/libc/sys/brk.2
index 7f40e3417a27..d501ae1f25ad 100644
--- a/lib/libc/sys/brk.2
+++ b/lib/libc/sys/brk.2
@@ -85,7 +85,7 @@ increased to the next page boundary.
 .\" .Pp
 The current value of the program break is reliably returned by
 .Dq Li sbrk(0)
-(see also 
+(see also
 .Xr end 3 ) .
 The
 .Xr getrlimit 2
@@ -143,7 +143,7 @@ to support the expansion.
 Setting the break may fail due to a temporary lack of
 swap space.  It is not possible to distinguish this
 from a failure caused by exceeding the maximum size of
-the data segment without consulting 
+the data segment without consulting
 .Xr getrlimit 2 .
 .Sh HISTORY
 A
diff --git a/lib/libc/sys/chdir.2 b/lib/libc/sys/chdir.2
index d6ca53215549..0bbbd7dbd014 100644
--- a/lib/libc/sys/chdir.2
+++ b/lib/libc/sys/chdir.2
@@ -121,7 +121,7 @@ is not a valid file descriptor.
 .Sh STANDARDS
 The
 .Fn chdir
-function call is expected to conform to 
+function call is expected to conform to
 .St -p1003.1-90 .
 .Sh HISTORY
 A
diff --git a/lib/libc/sys/chmod.2 b/lib/libc/sys/chmod.2
index 1957859f954f..c2a0ae450054 100644
--- a/lib/libc/sys/chmod.2
+++ b/lib/libc/sys/chmod.2
@@ -128,7 +128,7 @@ For more details of the properties of the sticky bit, see
 If mode ISUID (set UID) is set on a directory,
 and the MNT_SUIDDIR option was used in the mount of the filesystem,
 then the owner of any new files and sub-directories
-created within this directory are set 
+created within this directory are set
 to be the same as the owner of that directory.
 If this function is enabled, new directories will inherit
 the bit from their parents.  Execute bits are removed from
@@ -145,7 +145,7 @@ such should not be used on shell machines, especially on home directories.
 This option requires the SUIDDIR
 option in the kernel to work.
 Only UFS filesystems support this option.
-For more details of the suiddir mount option, see 
+For more details of the suiddir mount option, see
 .Xr mount 8 .
 .Pp
 Writing or changing the owner of a file
@@ -211,7 +211,7 @@ An I/O error occurred while reading from or writing to the file system.
 .Sh STANDARDS
 The
 .Fn chmod
-function call is expected to conform to 
+function call is expected to conform to
 .St -p1003.1-90 ,
 except for the return of
 .Er EFTYPE
diff --git a/lib/libc/sys/chown.2 b/lib/libc/sys/chown.2
index 1ae9bf9f2b38..13b488f4ac20 100644
--- a/lib/libc/sys/chown.2
+++ b/lib/libc/sys/chown.2
@@ -58,7 +58,7 @@ or referenced by
 .Fa fd
 is changed as specified by the arguments
 .Fa owner
-and 
+and
 .Fa group .
 The owner of a file may change the
 .Fa group
@@ -147,7 +147,7 @@ An I/O error occurred while reading from or writing to the file system.
 .Sh STANDARDS
 The
 .Fn chown
-function call is expected to conform to 
+function call is expected to conform to
 .St -p1003.1-90 .
 .Sh HISTORY
 A
diff --git a/lib/libc/sys/chroot.2 b/lib/libc/sys/chroot.2
index 6d9f7642af8c..db1053403b90 100644
--- a/lib/libc/sys/chroot.2
+++ b/lib/libc/sys/chroot.2
@@ -67,26 +67,26 @@ This call is restricted to the super-user.
 Depending on the setting of the
 .Ql kern.chroot_allow_open_directories
 sysctl variable, open filedescriptors which reference directories
-will make the 
+will make the
 .Fn chroot
 fail as follows:
 .Pp
-If 
+If
 .Ql kern.chroot_allow_open_directories
-is set to zero, 
+is set to zero,
 .Fn chroot
 will always fail with
 .Er EPERM
 if there are any directories open.
 .Pp
-If 
+If
 .Ql kern.chroot_allow_open_directories
-is set to one (the default), 
+is set to one (the default),
 .Fn chroot
 will fail with
 .Er EPERM
 if there are any directories open and the
-process is already subject to a 
+process is already subject to a
 .Fn chroot
 call.
 .Pp
diff --git a/lib/libc/sys/clock_gettime.2 b/lib/libc/sys/clock_gettime.2
index 956168a8ddf4..02e076c869ff 100644
--- a/lib/libc/sys/clock_gettime.2
+++ b/lib/libc/sys/clock_gettime.2
@@ -68,7 +68,7 @@ kernel mode.
 .Pp
 The structure pointed to by
 .Fa tp
-is defined in 
+is defined in
 .Ao Pa sys/time.h Ac
 as:
 .Pp
diff --git a/lib/libc/sys/close.2 b/lib/libc/sys/close.2
index e0ebcc11bdb8..9071e0c58165 100644
--- a/lib/libc/sys/close.2
+++ b/lib/libc/sys/close.2
@@ -66,7 +66,7 @@ However, the semantics of System V and
 dictate that all
 .Xr fcntl 2
 advisory record locks associated with a file for a given process
-are removed when 
+are removed when
 .Em any
 file descriptor for that file is closed by that process.
 .Pp
@@ -149,7 +149,7 @@ An interrupt was received.
 .Sh STANDARDS
 The
 .Fn close
-function call is expected to conform to 
+function call is expected to conform to
 .St -p1003.1-90 .
 .Sh HISTORY
 A
diff --git a/lib/libc/sys/connect.2 b/lib/libc/sys/connect.2
index 8b023ab4cfb2..a8b920071bf9 100644
--- a/lib/libc/sys/connect.2
+++ b/lib/libc/sys/connect.2
@@ -131,7 +131,7 @@ The
 parameter specifies an area outside
 the process address space.
 .It Bq Er EINPROGRESS
-The socket is non-blocking 
+The socket is non-blocking
 and the connection cannot
 be completed immediately.
 It is possible to
diff --git a/lib/libc/sys/dup.2 b/lib/libc/sys/dup.2
index 9329cbc3577d..da0f480a14c4 100644
--- a/lib/libc/sys/dup.2
+++ b/lib/libc/sys/dup.2
@@ -90,7 +90,7 @@ additional
 call.
 The close-on-exec flag on the new file descriptor is unset.
 .Pp
-In 
+In
 .Fn dup2 ,
 the value of the new descriptor
 .Fa newd
@@ -194,7 +194,7 @@ The
 .Fn dup
 and
 .Fn dup2
-function calls are expected to conform to 
+function calls are expected to conform to
 .St -p1003.1-90 .
 .Sh HISTORY
 A
diff --git a/lib/libc/sys/execve.2 b/lib/libc/sys/execve.2
index 897bc0527cb1..f7bd2e9d6d26 100644
--- a/lib/libc/sys/execve.2
+++ b/lib/libc/sys/execve.2
@@ -208,7 +208,7 @@ library re-initialization and then calls
 .Sh RETURN VALUES
 As the
 .Fn execve
-function overlays the current process image 
+function overlays the current process image
 with a new process image the successful call
 has no process to return to.
 If
diff --git a/lib/libc/sys/fcntl.2 b/lib/libc/sys/fcntl.2
index ecd6221617e6..c4e13d26af6d 100644
--- a/lib/libc/sys/fcntl.2
+++ b/lib/libc/sys/fcntl.2
@@ -122,7 +122,7 @@ and
 signals;
 process groups are specified by supplying
 .Fa arg
-as negative, otherwise 
+as negative, otherwise
 .Fa arg
 is interpreted as a process ID.
 .El
@@ -302,7 +302,7 @@ locks conflicts with the type specified in the request.
 This interface follows the completely stupid semantics of System V and
 .St -p1003.1-88
 that require that all locks associated with a file for a given process are
-removed when 
+removed when
 .Em any
 file descriptor for that file is closed by that process.
 This semantic means that applications must be aware of any files that
@@ -311,7 +311,7 @@ For example if an application for updating the password file locks the
 password file database while making the update, and then calls
 .Xr getpwnam 3
 to retrieve a record,
-the lock will be lost because 
+the lock will be lost because
 .Xr getpwnam 3
 opens, reads, and closes the password database.
 The database close will release all locks that the process has
@@ -329,9 +329,9 @@ allows locks to be inherited by child processes.
 is recommended for applications that want to ensure the integrity
 of their locks when using library routines or wish to pass locks
 to their children.
-Note that 
+Note that
 .Xr flock 2
-and 
+and
 .Xr fcntl 2
 locks may be safely used concurrently.
 .Pp
@@ -497,10 +497,10 @@ or
 and satisfying the lock or unlock request would result in the
 number of locked regions in the system exceeding a system-imposed limit.
 .It Bq Er EPERM
-.Fa Cmd    
-is 
+.Fa Cmd
+is
 .Dv F_SETOWN
-and 
+and
 the process ID or process group given as an argument is in a
 different session than the caller.
 .It Bq Er ESRCH
@@ -511,7 +511,7 @@ and
 the process ID given as argument is not in use.
 .El
 .Pp
-In addition, if 
+In addition, if
 .Fa fd
 refers to a descriptor open on a terminal device (as opposed to a
 descriptor open on a socket), a
diff --git a/lib/libc/sys/flock.2 b/lib/libc/sys/flock.2
index 73fc8e2c7e51..119bfe149fe5 100644
--- a/lib/libc/sys/flock.2
+++ b/lib/libc/sys/flock.2
@@ -81,7 +81,7 @@ locks and
 locks.
 At any time multiple shared locks may be applied to a file,
 but at no time are multiple exclusive, or both shared and exclusive,
-locks allowed simultaneously on a file.  
+locks allowed simultaneously on a file.
 .Pp
 A shared lock may be
 .Em upgraded
diff --git a/lib/libc/sys/getdirentries.2 b/lib/libc/sys/getdirentries.2
index ee438ffb7354..48d2e0e180c4 100644
--- a/lib/libc/sys/getdirentries.2
+++ b/lib/libc/sys/getdirentries.2
@@ -122,7 +122,7 @@ The current position pointer associated with
 .Fa fd
 is set to point to the next block of entries.
 The pointer may not advance by the number of bytes returned by
-.Fn getdirentries 
+.Fn getdirentries
 or
 .Fn getdents .
 A value of zero is returned when
diff --git a/lib/libc/sys/getfsstat.2 b/lib/libc/sys/getfsstat.2
index de2bb80d2d55..bec4f1479645 100644
--- a/lib/libc/sys/getfsstat.2
+++ b/lib/libc/sys/getfsstat.2
@@ -145,7 +145,7 @@ Thus, some of the information will be out of date, but
 will not block waiting for information from a filesystem that is
 unable to respond.
 .Sh RETURN VALUES
-Upon successful completion, the number of 
+Upon successful completion, the number of
 .Fa fsstat
 structures is returned.
 Otherwise, -1 is returned and the global variable
diff --git a/lib/libc/sys/getgid.2 b/lib/libc/sys/getgid.2
index aaaf72b0919e..83285167bad5 100644
--- a/lib/libc/sys/getgid.2
+++ b/lib/libc/sys/getgid.2
@@ -81,5 +81,5 @@ The
 .Fn getgid
 and
 .Fn getegid
-function calls are expected to conform to 
+function calls are expected to conform to
 .St -p1003.1-90 .
diff --git a/lib/libc/sys/getgroups.2 b/lib/libc/sys/getgroups.2
index 3ae52425a42b..9edf10ba9f82 100644
--- a/lib/libc/sys/getgroups.2
+++ b/lib/libc/sys/getgroups.2
@@ -48,11 +48,11 @@
 .Sh DESCRIPTION
 .Fn Getgroups
 gets the current group access list of the user process
-and stores it in the array 
+and stores it in the array
 .Fa gidset .
 The parameter
 .Fa gidsetlen
-indicates the number of entries that may be placed in 
+indicates the number of entries that may be placed in
 .Fa gidset .
 .Fn Getgroups
 returns the actual number of groups returned in
diff --git a/lib/libc/sys/getitimer.2 b/lib/libc/sys/getitimer.2
index 485c06761e05..91bc638cebf0 100644
--- a/lib/libc/sys/getitimer.2
+++ b/lib/libc/sys/getitimer.2
@@ -68,7 +68,7 @@ call sets a timer to the specified
 .Fa ovalue
 is non-nil).
 .Pp
-A timer value is defined by the 
+A timer value is defined by the
 .Fa itimerval
 structure:
 .Bd -literal -offset indent
@@ -80,13 +80,13 @@ struct itimerval {
 .Pp
 If
 .Fa it_value
-is non-zero, it indicates the time to the next timer expiration. 
+is non-zero, it indicates the time to the next timer expiration.
 If
 .Fa it_interval
-is non-zero, it specifies a value to be used in reloading 
+is non-zero, it specifies a value to be used in reloading
 .Fa it_value
 when the timer expires.
-Setting 
+Setting
 .Fa it_value
 to 0 disables a timer, regardless of the value of
 .Fa it_interval .
diff --git a/lib/libc/sys/getpeername.2 b/lib/libc/sys/getpeername.2
index a7cd663a92b2..af79bfa3cd11 100644
--- a/lib/libc/sys/getpeername.2
+++ b/lib/libc/sys/getpeername.2
@@ -100,7 +100,7 @@ The socket is not connected.
 Insufficient resources were available in the system
 to perform the operation.
 .It Bq Er EFAULT
-The 
+The
 .Fa name
 parameter points to memory not in a valid part of the
 process address space.
diff --git a/lib/libc/sys/getpgrp.2 b/lib/libc/sys/getpgrp.2
index 6197ff5286e0..06aa8c433c9d 100644
--- a/lib/libc/sys/getpgrp.2
+++ b/lib/libc/sys/getpgrp.2
@@ -109,7 +109,7 @@ function call is derived from its usage in System V Release 4.
 .Sh STANDARDS
 The
 .Fn getpgrp
-function call is expected to conform to 
+function call is expected to conform to
 .St -p1003.1-90 .
 .Sh COMPATIBILITY
 This version of
diff --git a/lib/libc/sys/getpid.2 b/lib/libc/sys/getpid.2
index 1eb77410c50f..2bebebbc85c6 100644
--- a/lib/libc/sys/getpid.2
+++ b/lib/libc/sys/getpid.2
@@ -62,7 +62,7 @@ instead.
 .Pp
 .Fn Getppid
 returns the process ID of the parent
-of the calling process. 
+of the calling process.
 .Sh ERRORS
 The
 .Fn getpid
@@ -77,7 +77,7 @@ The
 .Fn getpid
 and
 .Fn getppid
-function calls are expected to conform to 
+function calls are expected to conform to
 .St -p1003.1-90 .
 .Sh HISTORY
 A
diff --git a/lib/libc/sys/getpriority.2 b/lib/libc/sys/getpriority.2
index 1047cf7f6024..9db9d51cddf2 100644
--- a/lib/libc/sys/getpriority.2
+++ b/lib/libc/sys/getpriority.2
@@ -65,9 +65,9 @@ is one of
 .Dv PRIO_PGRP ,
 or
 .Dv PRIO_USER ,
-and 
+and
 .Fa who
-is interpreted relative to 
+is interpreted relative to
 .Fa which
 (a process identifier for
 .Dv PRIO_PROCESS ,
@@ -110,7 +110,7 @@ and
 will fail if:
 .Bl -tag -width Er
 .It Bq Er ESRCH
-No process was located using the 
+No process was located using the
 .Fa which
 and
 .Fa who
diff --git a/lib/libc/sys/getrlimit.2 b/lib/libc/sys/getrlimit.2
index 4f67802b1662..17a4412c21a8 100644
--- a/lib/libc/sys/getrlimit.2
+++ b/lib/libc/sys/getrlimit.2
@@ -55,7 +55,7 @@ and each process it creates may be obtained with the
 .Fn getrlimit
 call, and set with the
 .Fn setrlimit
-call.  
+call.
 .Pp
 The
 .Fa resource
@@ -104,7 +104,7 @@ A resource limit is specified as a soft limit and a hard limit.  When a
 soft limit is exceeded a process may receive a signal (for example, if
 the cpu time or file size is exceeded), but it will be allowed to
 continue execution until it reaches the hard limit (or modifies
-its resource limit).  The 
+its resource limit).  The
 .Em rlimit
 structure is used to specify the hard and soft limits on a resource,
 .Bd -literal -offset indent
@@ -115,9 +115,9 @@ struct rlimit {
 .Ed
 .Pp
 Only the super-user may raise the maximum limits.  Other users
-may only alter 
+may only alter
 .Fa rlim_cur
-within the range from 0 to 
+within the range from 0 to
 .Fa rlim_max
 or (irreversibly) lower
 .Fa rlim_max .
diff --git a/lib/libc/sys/getrusage.2 b/lib/libc/sys/getrusage.2
index 9e441510e179..34cba3295805 100644
--- a/lib/libc/sys/getrusage.2
+++ b/lib/libc/sys/getrusage.2
@@ -144,9 +144,9 @@ priority process becoming runnable or because the current process
 exceeded its time slice.
 .El
 .Sh NOTES
-The numbers 
+The numbers
 .Fa ru_inblock
-and 
+and
 .Fa ru_oublock
 account only for real
 I/O; data supplied by the caching mechanism is charged only
diff --git a/lib/libc/sys/getsockname.2 b/lib/libc/sys/getsockname.2
index d0262dcdbbd4..3eb0563bc9cb 100644
--- a/lib/libc/sys/getsockname.2
+++ b/lib/libc/sys/getsockname.2
@@ -47,7 +47,7 @@
 .Fn getsockname "int s" "struct sockaddr *name" "socklen_t *namelen"
 .Sh DESCRIPTION
 .Fn Getsockname
-returns the current 
+returns the current
 .Fa name
 for the specified socket.  The
 .Fa namelen
@@ -96,7 +96,7 @@ is a file, not a socket.
 Insufficient resources were available in the system
 to perform the operation.
 .It Bq Er EFAULT
-The 
+The
 .Fa name
 parameter points to memory not in a valid part of the
 process address space.
diff --git a/lib/libc/sys/getsockopt.2 b/lib/libc/sys/getsockopt.2
index c9e9ba9b62e3..66c00e75b30b 100644
--- a/lib/libc/sys/getsockopt.2
+++ b/lib/libc/sys/getsockopt.2
@@ -187,13 +187,13 @@ of the destination address.
 .Pp
 .Dv SO_LINGER
 controls the action taken when unsent messages
-are queued on socket and a 
+are queued on socket and a
 .Xr close 2
 is performed.
 If the socket promises reliable delivery of data and
 .Dv SO_LINGER
 is set,
-the system will block the process on the 
+the system will block the process on the
 .Xr close 2
 attempt until it is able to transmit the data or until it decides it
 is unable to deliver the information (a timeout period, termed the
@@ -201,10 +201,10 @@ linger interval, is specified in seconds in the
 .Fn setsockopt
 call when
 .Dv SO_LINGER
-is requested). 
+is requested).
 If
 .Dv SO_LINGER
-is disabled and a 
+is disabled and a
 .Xr close 2
 is issued, the system will process the close in a manner that allows
 the process to continue as quickly as possible.
@@ -263,7 +263,7 @@ requested.
 The default value for
 .Dv SO_RCVLOWAT
 is 1.
-If 
+If
 .Dv SO_RCVLOWAT
 is set to a larger value, blocking receive calls normally
 wait until they have received the smaller of the low water mark value
@@ -406,7 +406,7 @@ is a file, not a socket.
 .It Bq Er ENOPROTOOPT
 The option is unknown at the level indicated.
 .It Bq Er EFAULT
-The address pointed to by 
+The address pointed to by
 .Fa optval
 is not in a valid part of the process address space.
 For
diff --git a/lib/libc/sys/gettimeofday.2 b/lib/libc/sys/gettimeofday.2
index e6554cc211ce..bcaa92f21cad 100644
--- a/lib/libc/sys/gettimeofday.2
+++ b/lib/libc/sys/gettimeofday.2
@@ -74,7 +74,7 @@ The structures pointed to by
 .Fa tp
 and
 .Fa tzp
-are defined in 
+are defined in
 .Ao Pa sys/time.h Ac
 as:
 .Pp
@@ -90,7 +90,7 @@ struct timezone {
 };
 .Ed
 .Pp
-The 
+The
 .Fa timezone
 structure indicates the local time zone
 (measured in minutes of time westward from Greenwich),
diff --git a/lib/libc/sys/getuid.2 b/lib/libc/sys/getuid.2
index 01e464c14f68..07baf1c3ebdf 100644
--- a/lib/libc/sys/getuid.2
+++ b/lib/libc/sys/getuid.2
@@ -83,7 +83,7 @@ The
 .Fn geteuid
 and
 .Fn getuid
-function calls are expected to conform to 
+function calls are expected to conform to
 .St -p1003.1-90 .
 .Sh HISTORY
 A
diff --git a/lib/libc/sys/intro.2 b/lib/libc/sys/intro.2
index e25c5ba437a6..bcd8c1609195 100644
--- a/lib/libc/sys/intro.2
+++ b/lib/libc/sys/intro.2
@@ -52,7 +52,7 @@ their error returns, and other common definitions and concepts.
 .Sh RETURN VALUES
 Nearly all of the system calls provide an error number referenced via
 the external identifier errno.
-This identifier is defined in 
+This identifier is defined in
 .Aq Pa sys/errno.h
 as
 .Pp
@@ -97,7 +97,7 @@ An attempt was made to perform an operation limited to processes
 with appropriate privileges or to the owner of a file or other
 resources.
 .It Er 2 ENOENT Em "No such file or directory" .
-A component of a specified pathname did not exist, or the 
+A component of a specified pathname did not exist, or the
 pathname was an empty string.
 .It Er 3 ESRCH Em "No such process" .
 No process could be found corresponding to that specified by the given
@@ -383,7 +383,7 @@ was supplied to a remove directory or rename call.
 .It Er 68 EUSERS Em "Too many users" .
 The quota system ran out of table entries.
 .It Er 69 EDQUOT Em "Disc quota exceeded" .
-A 
+A
 .Xr write 2
 to an ordinary file, the creation of a
 directory or symbolic link, or the creation of a directory
@@ -395,10 +395,10 @@ was exhausted.
 An attempt was made to access an open file (on an
 .Tn NFS
 filesystem)
-which is now unavailable as referenced by the file descriptor.  
+which is now unavailable as referenced by the file descriptor.
 This may indicate the file was deleted on the
-.Tn NFS 
-server or some 
+.Tn NFS
+server or some
 other catastrophic event occurred.
 .It Er 72 EBADRPC Em "RPC struct is bad" .
 Exchange of
@@ -412,7 +412,7 @@ the local version.
 .It Er 74 EPROGUNAVAIL Em "RPC prog. not avail" .
 The requested program is not registered on the remote host.
 .It Er 75 EPROGMISMATCH Em "Program version wrong" .
-The requested version of the program is not available 
+The requested version of the program is not available
 on the remote host
 .Pq Tn RPC .
 .It Er 76 EPROCUNAVAIL Em "Bad procedure for program" .
@@ -421,13 +421,13 @@ An
 call was attempted for a procedure which doesn't exist
 in the remote program.
 .It Er 77 ENOLCK Em "No locks available" .
-A system-imposed limit on the number of simultaneous file 
+A system-imposed limit on the number of simultaneous file
 locks was reached.
 .It Er 78 ENOSYS Em "Function not implemented" .
-Attempted a system call that is not available on this 
+Attempted a system call that is not available on this
 system.
 .It Er 79 EFTYPE Em "Inappropriate file type or format" .
-The file was the wrong type for the operation, or a data file had 
+The file was the wrong type for the operation, or a data file had
 the wrong format.
 .It Er 80 EAUTH Em "Authentication error" .
 Attempted to use an invalid authentication ticket to mount a
@@ -448,8 +448,8 @@ provided space.
 .It Er 85 ECANCELED Em "Operation canceled" .
 The scheduled operation was canceled.
 .It Er 86 EILSEQ Em "Illegal byte sequence" .
-While decoding a multibyte character the function came along an 
-invalid or an incomplete sequence of bytes or the given wide 
+While decoding a multibyte character the function came along an
+invalid or an incomplete sequence of bytes or the given wide
 character is invalid.
 .El
 .Sh DEFINITIONS
@@ -519,10 +519,10 @@ The process group of a session leader is orphaned by definition.
 Each user on the system is identified by a positive integer
 termed the real user ID.
 .Pp
-Each user is also a member of one or more groups. 
+Each user is also a member of one or more groups.
 One of these groups is distinguished from others and
 used in implementing accounting facilities.  The positive
-integer corresponding to this distinguished group is termed 
+integer corresponding to this distinguished group is termed
 the real group ID.
 .Pp
 All processes have a real user ID and real group ID.
@@ -653,13 +653,13 @@ These permissions are used in determining whether a process
 may perform a requested operation on the file (such as opening
 a file for writing).  Access permissions are established at the
 time a file is created.  They may be changed at some later time
-through the 
+through the
 .Xr chmod 2
-call. 
+call.
 .Pp
 File access is broken down according to whether a file may be: read,
 written, or executed.  Directory files use the execute
-permission to control if the directory may be searched. 
+permission to control if the directory may be searched.
 .Pp
 File access permissions are interpreted by the system as
 they apply to three different classes of users: the owner
diff --git a/lib/libc/sys/ioctl.2 b/lib/libc/sys/ioctl.2
index af5c85228403..47db8bc57207 100644
--- a/lib/libc/sys/ioctl.2
+++ b/lib/libc/sys/ioctl.2
@@ -62,11 +62,11 @@ The third argument to
 .Nm
 is traditionally named
 .Ar "char *argp" .
-Most uses of 
+Most uses of
 .Nm
 in
 .Fx 3.0
-however, require the third argument to be a 
+however, require the third argument to be a
 .Ar caddr_t
 or an
 .Ar int .
diff --git a/lib/libc/sys/jail.2 b/lib/libc/sys/jail.2
index 874a8a6e1816..1347bc0d5bfa 100644
--- a/lib/libc/sys/jail.2
+++ b/lib/libc/sys/jail.2
@@ -58,9 +58,9 @@ the prison.  It is not possible to add a process to a preexisting prison.
 .Pp
 Inside the prison, the concept of "superuser" is very diluted.  In general,
 it can be assumed that nothing can be mangled from inside a prison which
-does not exist entirely inside that prison.  For instance the directory 
+does not exist entirely inside that prison.  For instance the directory
 tree below
-.Dq Li path 
+.Dq Li path
 can be manipulated all the ways a root can normally do it, including
 .Dq Li "rm -rf /*"
 but new device special nodes cannot be created because they reference
diff --git a/lib/libc/sys/kill.2 b/lib/libc/sys/kill.2
index 5a7c05cb355e..2c2166b44004 100644
--- a/lib/libc/sys/kill.2
+++ b/lib/libc/sys/kill.2
@@ -59,7 +59,7 @@ may be one of the signals specified in
 .Xr sigaction 2
 or it may be 0, in which case
 error checking is performed but no
-signal is actually sent. 
+signal is actually sent.
 This can be used to check the validity of
 .Fa pid .
 .Pp
@@ -135,7 +135,7 @@ of the group could not be signaled.
 .Sh STANDARDS
 The
 .Fn kill
-function call is expected to conform to 
+function call is expected to conform to
 .St -p1003.1-90 .
 .Sh HISTORY
 A
diff --git a/lib/libc/sys/kldfind.2 b/lib/libc/sys/kldfind.2
index 78cd3be99310..1ee3f3c08ed2 100644
--- a/lib/libc/sys/kldfind.2
+++ b/lib/libc/sys/kldfind.2
@@ -23,14 +23,14 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.\" $FreeBSD$	
+.\" $FreeBSD$
 .\"
 .Dd March 3, 1999
 .Dt KLDFIND 2
 .Os FreeBSD
 .Sh NAME
 .Nm kldfind
-.Nd returns the fileid of a kld file 
+.Nd returns the fileid of a kld file
 .Sh LIBRARY
 .Lb libc
 .Sh SYNOPSIS
diff --git a/lib/libc/sys/kldfirstmod.2 b/lib/libc/sys/kldfirstmod.2
index 1474f637bd63..d03cc4b1cb8b 100644
--- a/lib/libc/sys/kldfirstmod.2
+++ b/lib/libc/sys/kldfirstmod.2
@@ -23,7 +23,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.\" $FreeBSD$	
+.\" $FreeBSD$
 .\"
 .Dd March 3, 1999
 .Dt KLDFIRSTMOD 2
diff --git a/lib/libc/sys/kldload.2 b/lib/libc/sys/kldload.2
index eb07468c07ed..fb6170c22768 100644
--- a/lib/libc/sys/kldload.2
+++ b/lib/libc/sys/kldload.2
@@ -30,7 +30,7 @@
 .Os FreeBSD
 .Sh NAME
 .Nm kldload
-.Nd load KLD files into the kernel 
+.Nd load KLD files into the kernel
 .Sh LIBRARY
 .Lb libc
 .Sh SYNOPSIS
@@ -68,7 +68,7 @@ The file was not found.
 .It Bq Er ENOEXEC
 The file format of
 .Fa file
-was unrecognized. 
+was unrecognized.
 .El
 .Sh SEE ALSO
 .Xr kldfind 2 ,
diff --git a/lib/libc/sys/kldnext.2 b/lib/libc/sys/kldnext.2
index cef9d0aae385..6403ed60a1b6 100644
--- a/lib/libc/sys/kldnext.2
+++ b/lib/libc/sys/kldnext.2
@@ -23,14 +23,14 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.\" $FreeBSD$	
+.\" $FreeBSD$
 .\"
 .Dd March 3, 1999
 .Dt KLDNEXT 2
 .Os FreeBSD
 .Sh NAME
 .Nm kldnext
-.Nd return the fileid of the next kld file 
+.Nd return the fileid of the next kld file
 .Sh LIBRARY
 .Lb libc
 .Sh SYNOPSIS
diff --git a/lib/libc/sys/kldstat.2 b/lib/libc/sys/kldstat.2
index 1187f6951bc8..8c3935542441 100644
--- a/lib/libc/sys/kldstat.2
+++ b/lib/libc/sys/kldstat.2
@@ -23,14 +23,14 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.\" $FreeBSD$	
+.\" $FreeBSD$
 .\"
 .Dd March 3, 1999
 .Dt KLDSTAT 2
 .Os FreeBSD
 .Sh NAME
 .Nm kldstat
-.Nd get status of kld file 
+.Nd get status of kld file
 .Sh LIBRARY
 .Lb libc
 .Sh SYNOPSIS
diff --git a/lib/libc/sys/kqueue.2 b/lib/libc/sys/kqueue.2
index 7225358e86ab..4d5ee64209b9 100644
--- a/lib/libc/sys/kqueue.2
+++ b/lib/libc/sys/kqueue.2
@@ -60,7 +60,7 @@ The filter is also run when the user attempts to retrieve the kevent
 from the kqueue.
 If the filter indicates that the condition that triggered
 the event no longer holds, the kevent is removed from the kqueue and
-is not returned. 
+is not returned.
 .Pp
 Multiple events which trigger the filter do not result in multiple
 kevents being placed on the kqueue; instead, the filter will aggregate
@@ -85,17 +85,17 @@ is used to register events with the queue, and return any pending
 events to the user.
 .Fa changelist
 is a pointer to an array of
-.Va kevent 
+.Va kevent
 structures, as defined in
 .Aq Pa sys/event.h .
-All changes contained in the 
+All changes contained in the
 .Fa changelist
 are applied before any pending events are read from the queue.
 .Fa nchanges
 gives the size of
 .Fa changelist .
 .Fa eventlist
-is a pointer to an array of kevent structures. 
+is a pointer to an array of kevent structures.
 .Fa nevents
 determines the size of
 .Fa eventlist .
@@ -112,7 +112,7 @@ argument should be non-NULL, pointing to a zero-valued
 .Va timespec
 structure.  The same array may be used for the
 .Fa changelist
-and 
+and
 .Fa eventlist .
 .Pp
 .Fn EV_SET
@@ -149,7 +149,7 @@ Actions to perform on the event.
 .It fflags
 Filter-specific flags.
 .It data
-Filter-specific data value. 
+Filter-specific data value.
 .It udata
 Opaque user-defined value passed through the kernel unchanged.
 .El
@@ -172,8 +172,8 @@ Disable the event so
 .Fn kevent
 will not return it.  The filter itself is not disabled.
 .It EV_DELETE
-Removes the event from the kqueue.  Events which are attached to 
-file descriptors are automatically deleted on the last close of 
+Removes the event from the kqueue.  Events which are attached to
+file descriptors are automatically deleted on the last close of
 the descriptor.
 .It EV_ONESHOT
 Causes the event to return only the first occurrence of the filter
@@ -193,7 +193,7 @@ below.
 .El
 .Pp
 The predefined system filters are listed below.
-Arguments may be passed to and from the filter via the 
+Arguments may be passed to and from the filter via the
 .Va fflags
 and
 .Va data
@@ -218,9 +218,9 @@ subject to the
 .Dv SO_RCVLOWAT
 value of the socket buffer.
 This may be overridden with a per-filter low water mark at the
-time the filter is added by setting the 
-NOTE_LOWAT 
-flag in 
+time the filter is added by setting the
+NOTE_LOWAT
+flag in
 .Va fflags ,
 and specifying the new low water mark in
 .Va data .
@@ -231,7 +231,7 @@ contains the number of bytes in the socket buffer.
 If the read direction of the socket has shutdown, then the filter
 also sets EV_EOF in
 .Va flags ,
-and returns the socket error (if any) in 
+and returns the socket error (if any) in
 .Va fflags .
 It is possible for EOF to be returned (indicating the connection is gone)
 while there is still data pending in the socket buffer.
@@ -254,22 +254,22 @@ returning.
 .It EVFILT_WRITE
 Takes a descriptor as the identifier, and returns whenever
 it is possible to write to the descriptor.  For sockets, pipes
-and fifos, 
+and fifos,
 .Va data
 will contain the amount of space remaining in the write buffer.
 The filter will set EV_EOF when the reader disconnects, and for
 the fifo case, this may be cleared by use of EV_CLEAR.
 Note that this filter is not supported for vnodes.
 .Pp
-For sockets, the low water mark and socket error handling is 
+For sockets, the low water mark and socket error handling is
 identical to the EVFILT_READ case.
 .It EVFILT_AIO
 The sigevent portion of the AIO request is filled in, with
-.Va sigev_notify_kqueue 
+.Va sigev_notify_kqueue
 containing the descriptor of the kqueue that the event should
 be attached to,
 .Va sigev_value
-containing the udata value, and 
+containing the udata value, and
 .Va sigev_notify
 set to SIGEV_EVENT.
 When the aio_* function is called, the event will be registered
@@ -280,7 +280,7 @@ argument set to the
 returned by the aio_* function.
 The filter returns under the same conditions as aio_error.
 .Pp
-Alternatively, a kevent structure may be initialized, with 
+Alternatively, a kevent structure may be initialized, with
 .Va ident
 containing the descriptor of the kqueue, and the
 address of the kevent structure placed in the
@@ -288,7 +288,7 @@ address of the kevent structure placed in the
 field of the AIO request.  However, this approach will not work on
 architectures with 64-bit pointers, and should be considered depreciated.
 .It EVFILT_VNODE
-Takes a file descriptor as the identifier and the events to watch for in 
+Takes a file descriptor as the identifier and the events to watch for in
 .Va fflags ,
 and returns when one or more of the requested events occurs on the descriptor.
 The events to monitor are:
@@ -307,7 +307,7 @@ The link count on the file changed.
 .It NOTE_RENAME
 The file referenced by the descriptor was renamed.
 .It NOTE_REVOKE
-Access to the file was revoked via 
+Access to the file was revoked via
 .Xr revoke 2
 or the underlying fileystem was unmounted.
 .El
@@ -316,7 +316,7 @@ On return,
 .Va fflags
 contains the events which triggered the filter.
 .It EVFILT_PROC
-Takes the process ID to monitor as the identifier and the events to watch for 
+Takes the process ID to monitor as the identifier and the events to watch for
 in
 .Va fflags ,
 and returns when the process performs one or more of the requested events.
@@ -329,7 +329,7 @@ The process has exited.
 The process has called
 .Fn fork .
 .It NOTE_EXEC
-The process has executed a new process via 
+The process has executed a new process via
 .Xr execve 2
 or similar call.
 .It NOTE_TRACK
@@ -339,7 +339,7 @@ calls.  The parent process will return with NOTE_TRACK set in the
 .Va fflags
 field, while the child process will return with NOTE_CHILD set in
 .Va fflags
-and the parent PID in 
+and the parent PID in
 .Va data .
 .It NOTE_TRACKERR
 This flag is returned if the system was unable to attach an event to
@@ -354,7 +354,7 @@ Takes the signal number to monitor as the identifier and returns
 when the given signal is delivered to the process.
 This coexists with the
 .Fn signal
-and 
+and
 .Fn sigaction
 facilities, and has a lower precedence.  The filter will record
 all attempts to deliver a signal to a process, even if the signal has
@@ -416,9 +416,9 @@ function fails if:
 .It Bq Er EACCES
 The process does not have permission to register a filter.
 .It Bq Er EFAULT
-There was an error reading or writing the 
+There was an error reading or writing the
 .Va kevent
-structure. 
+structure.
 .It Bq Er EBADF
 The specified descriptor is invalid.
 .It Bq Er EINTR
diff --git a/lib/libc/sys/ktrace.2 b/lib/libc/sys/ktrace.2
index db4c2d335953..992319c85814 100644
--- a/lib/libc/sys/ktrace.2
+++ b/lib/libc/sys/ktrace.2
@@ -110,7 +110,7 @@ struct ktr_header {
 .Pp
 The
 .Va ktr_len
-field specifies the length of the 
+field specifies the length of the
 .Va ktr_type
 data that follows this header.
 The
@@ -126,7 +126,7 @@ The
 .Va ktr_buf
 is an internal kernel pointer and is not useful.
 .Pp
-The generic header is followed by 
+The generic header is followed by
 .Va ktr_len
 bytes of a
 .Va ktr_type
diff --git a/lib/libc/sys/link.2 b/lib/libc/sys/link.2
index 31f43efa049b..21108fe7af40 100644
--- a/lib/libc/sys/link.2
+++ b/lib/libc/sys/link.2
@@ -138,7 +138,7 @@ is being placed cannot be extended because the
 user's quota of disk blocks on the file system
 containing the directory has been exhausted.
 .It Bq Er EIO
-An I/O error occurred while reading from or writing to 
+An I/O error occurred while reading from or writing to
 the file system to make the directory entry.
 .It Bq Er EROFS
 The requested link requires writing in a directory on a read-only file
@@ -154,7 +154,7 @@ is outside the process's allocated address space.
 .Sh STANDARDS
 The
 .Fn link
-function call is expected to conform to 
+function call is expected to conform to
 .St -p1003.1-90 .
 .Sh HISTORY
 A
@@ -166,4 +166,4 @@ The
 .Fn link
 system call traditionally allows the super-user to link directories which
 corrupts the filesystem coherency.  This implementation no longer permits
-it. 
+it.
diff --git a/lib/libc/sys/listen.2 b/lib/libc/sys/listen.2
index e7cb79908963..3dfe864a84d4 100644
--- a/lib/libc/sys/listen.2
+++ b/lib/libc/sys/listen.2
@@ -109,7 +109,7 @@ unlocks
 .Sh RETURN VALUES
 A 0 return value indicates success; -1 indicates an error.
 .Sh ERRORS
-.Fn Listen 
+.Fn Listen
 will fail if:
 .Bl -tag -width Er
 .It Bq Er EBADF
diff --git a/lib/libc/sys/lseek.2 b/lib/libc/sys/lseek.2
index 5cc0f222240b..f236c9206fed 100644
--- a/lib/libc/sys/lseek.2
+++ b/lib/libc/sys/lseek.2
@@ -135,7 +135,7 @@ is incorrect English, but is maintained for historical reasons.
 .Sh STANDARDS
 The
 .Fn lseek
-function call is expected to conform to 
+function call is expected to conform to
 .St -p1003.1-90 .
 .Sh HISTORY
 A
diff --git a/lib/libc/sys/madvise.2 b/lib/libc/sys/madvise.2
index 4886d0225c49..e5d6a06b03f0 100644
--- a/lib/libc/sys/madvise.2
+++ b/lib/libc/sys/madvise.2
@@ -66,7 +66,7 @@ The known behaviors are given in
 #define MADV_CORE	9 /* revert to including pages in a core file */
 .Ed
 .Pp
-.Bl -tag -width MADV_SEQUENTIAL 
+.Bl -tag -width MADV_SEQUENTIAL
 .It Dv MADV_NORMAL
 Tells the system to revert to the default paging
 behavior.
@@ -92,26 +92,26 @@ this address range will incur a page fault.
 .It Dv MADV_FREE
 Gives the VM system the freedom to free pages,
 and tells the system that information in the specified page range
-is no longer important.  This is an efficient way of allowing 
+is no longer important.  This is an efficient way of allowing
 .Xr malloc 3
 to free pages anywhere in the address space, while keeping the address space
 valid.  The next time that the page is referenced, the page might be demand
-zeroed, or might contain the data that was there before the 
+zeroed, or might contain the data that was there before the
 .Dv MADV_FREE
 call.
 References made to that address space range will not make the VM system
 page the information back in from backing store until the page is
 modified again.
 .It Dv MADV_NOSYNC
-Request that the system not flush the data associated with this map to 
+Request that the system not flush the data associated with this map to
 physical backing store unless it needs to.  Typically this prevents the
 filesystem update daemon from gratuitously writing pages dirtied
-by the VM system to physical disk.  Note that VM/filesystem coherency is 
+by the VM system to physical disk.  Note that VM/filesystem coherency is
 always maintained, this feature simply ensures that the mapped data is
 only flush when it needs to be, usually by the system pager.
 .Pp
 This feature is typically used when you want to use a file-backed shared
-memory area to communicate between processes (IPC) and do not particularly 
+memory area to communicate between processes (IPC) and do not particularly
 need the data being stored in that area to be physically written to disk.
 With this feature you get the equivalent performance with mmap that you
 would expect to get with SysV shared memory calls, but in a more controllable
@@ -146,7 +146,7 @@ function will fail if:
 .It Bq Er EINVAL
 The virtual address range specified by the
 .Fa addr
-and 
+and
 .Fa len
 arguments is not valid.
 .El
diff --git a/lib/libc/sys/minherit.2 b/lib/libc/sys/minherit.2
index d80c17268abe..265d6d27fb5e 100644
--- a/lib/libc/sys/minherit.2
+++ b/lib/libc/sys/minherit.2
@@ -84,9 +84,9 @@ arguments.
 .El
 .Sh SEE ALSO
 .Xr fork 2 ,
-.Xr madvise 2 , 
-.Xr mincore 2 , 
-.Xr mprotect 2 , 
+.Xr madvise 2 ,
+.Xr mincore 2 ,
+.Xr mprotect 2 ,
 .Xr msync 2 ,
 .Xr munmap 2 ,
 .Xr rfork 2
diff --git a/lib/libc/sys/mkdir.2 b/lib/libc/sys/mkdir.2
index 9e0e4459c4be..964d3c3755c6 100644
--- a/lib/libc/sys/mkdir.2
+++ b/lib/libc/sys/mkdir.2
@@ -110,5 +110,5 @@ points outside the process's allocated address space.
 .Sh STANDARDS
 The
 .Fn mkdir
-function call is expected to conform to 
+function call is expected to conform to
 .St -p1003.1-90 .
diff --git a/lib/libc/sys/mkfifo.2 b/lib/libc/sys/mkfifo.2
index aeed3d97db98..2a606cbb68dd 100644
--- a/lib/libc/sys/mkfifo.2
+++ b/lib/libc/sys/mkfifo.2
@@ -113,11 +113,11 @@ points outside the process's allocated address space.
 .El
 .Sh SEE ALSO
 .Xr chmod 2 ,
-.Xr mknod 2 , 
+.Xr mknod 2 ,
 .Xr stat 2 ,
 .Xr umask 2
 .Sh STANDARDS
 The
 .Fn mkfifo
-function call is expected to conform to 
+function call is expected to conform to
 .St -p1003.1-90 .
diff --git a/lib/libc/sys/mmap.2 b/lib/libc/sys/mmap.2
index 2c2c5799a512..faefd3252b3b 100644
--- a/lib/libc/sys/mmap.2
+++ b/lib/libc/sys/mmap.2
@@ -137,7 +137,7 @@ Region is not included in a core file.
 .It Dv MAP_NOSYNC
 Causes data dirtied via this VM map to be flushed to physical media
 only when necessary (usually by the pager) rather then gratuitously.
-Typically this prevents the update daemons from flushing pages dirtied 
+Typically this prevents the update daemons from flushing pages dirtied
 through such maps and thus allows efficient sharing of memory across
 unassociated processes using a file-backed shared memory map.  Without
 this option any VM pages you dirty may be flushed to disk every so often
@@ -193,7 +193,7 @@ The
 .Xr msync 2
 system call is obsolete since
 .Bx
-implements a coherent filesystem buffer cache.  However, it may be 
+implements a coherent filesystem buffer cache.  However, it may be
 used to associate dirty VM pages with filesystem buffers and thus cause
 them to be flushed to physical media sooner rather then later.
 .It Dv MAP_PRIVATE
@@ -217,26 +217,26 @@ to enable this option for other architechures.
 implies
 .Dv MAP_ANON ,
 and
-.Fa offset 
-of 0.   
-.Fa fd 
-must be -1 and 
-.Fa prot 
+.Fa offset
+of 0.
+.Fa fd
+must be -1 and
+.Fa prot
 must include at least
 .Dv PROT_READ
 and
 .Dv PROT_WRITE .
 This option creates
-a memory region that grows to at most 
-.Fa len 
+a memory region that grows to at most
+.Fa len
 bytes in size, starting from the stack top and growing down.  The
-stack top is the starting address returned by the call, plus 
-.Fa len 
+stack top is the starting address returned by the call, plus
+.Fa len
 bytes.  The bottom of the stack at maximum growth is the starting
 address returned by the call.
 .El
 .Pp
-The 
+The
 .Xr close 2
 function does not unmap pages, see
 .Xr munmap 2
@@ -332,7 +332,7 @@ was specified and insufficient memory was available.
 .Sh BUGS
 .Fa len
 is limited to 2GB.  Mmapping slightly more than 2GB doesn't work, but
-it is possible to map a window of size (filesize % 2GB) for file sizes 
+it is possible to map a window of size (filesize % 2GB) for file sizes
 of slightly less than 2G, 4GB, 6GB and 8GB.
 .Pp
 The limit is imposed for a variety of reasons.
diff --git a/lib/libc/sys/modfind.2 b/lib/libc/sys/modfind.2
index 362a60682da7..6ab9f681f275 100644
--- a/lib/libc/sys/modfind.2
+++ b/lib/libc/sys/modfind.2
@@ -30,7 +30,7 @@
 .Os FreeBSD
 .Sh NAME
 .Nm modfind
-.Nd returns the modid of a kernel module 
+.Nd returns the modid of a kernel module
 .Sh LIBRARY
 .Lb libc
 .Sh SYNOPSIS
diff --git a/lib/libc/sys/mount.2 b/lib/libc/sys/mount.2
index b6682a9b101f..a0c2b1afdafa 100644
--- a/lib/libc/sys/mount.2
+++ b/lib/libc/sys/mount.2
@@ -82,7 +82,7 @@ suppress default semantics which affect filesystem access.
 .It Dv MNT_RDONLY
 The filesystem should be treated as read-only;
 Even the super-user may not write on it.
-Specifying MNT_UPDATE without this option will upgrade 
+Specifying MNT_UPDATE without this option will upgrade
 a read-only filesystem to read/write.
 .It Dv MNT_NOEXEC
 Do not allow files to be executed from the filesystem.
@@ -109,7 +109,7 @@ Disable write clustering.
 .Pp
 The flag
 .Dv MNT_UPDATE
-indicates that the mount command is being applied 
+indicates that the mount command is being applied
 to an already mounted filesystem.
 This allows the mount flags to be changed without requiring
 that the filesystem be unmounted and remounted.
@@ -164,7 +164,7 @@ The
 option requires the SUIDDIR option to have been compiled into the kernel
 to have any effect.
 See the
-.Xr mount 8 
+.Xr mount 8
 and
 .Xr chmod 2
 pages for more information.
@@ -225,7 +225,7 @@ does not exist.
 .Ar Fspec
 is not a block device.
 .It Bq Er ENXIO
-The major device number of 
+The major device number of
 .Ar fspec
 is out of range (this indicates no device driver exists
 for the associated hardware).
diff --git a/lib/libc/sys/mprotect.2 b/lib/libc/sys/mprotect.2
index 4403dc5a71f4..7f46d241c839 100644
--- a/lib/libc/sys/mprotect.2
+++ b/lib/libc/sys/mprotect.2
@@ -54,7 +54,7 @@ changes the specified pages to have protection
 Not all implementations will guarantee protection on a page basis;
 the granularity of protection changes may be as large as an entire region.
 .Sh RETURN VALUES
-Upon successful completion, 
+Upon successful completion,
 .Fn mprotect
 returns 0.  Otherwise a value of -1 is returned
 and
diff --git a/lib/libc/sys/msync.2 b/lib/libc/sys/msync.2
index f9a719947cdb..38fda84c9b5c 100644
--- a/lib/libc/sys/msync.2
+++ b/lib/libc/sys/msync.2
@@ -58,7 +58,7 @@ is 0, all modified pages within the region containing
 will be flushed;
 if
 .Fa len
-is non-zero, only those pages containing 
+is non-zero, only those pages containing
 .Fa addr
 and
 .Fa len-1
diff --git a/lib/libc/sys/nanosleep.2 b/lib/libc/sys/nanosleep.2
index f272a9d583b3..382672e5317b 100644
--- a/lib/libc/sys/nanosleep.2
+++ b/lib/libc/sys/nanosleep.2
@@ -54,26 +54,26 @@ cause it to terminate the sleep early, regardless of the
 .Dv SA_RESTART
 value on the interrupting signal.
 .Sh RETURN VALUES
-If the 
+If the
 .Fn nanosleep
 function returns because the requested time has elapsed, the value
-returned will be zero.  
+returned will be zero.
 .Pp
-If the 
+If the
 .Fn nanosleep
 function returns due to the delivery of a signal, the value returned
 will be the -1, and the global variable
 .Va errno
 will be set to indicate the interruption.
-If 
+If
 .Fa rmtp
-is 
+is
 .Pf non- Dv NULL ,
 the timespec structure it references is updated to contain the
 unslept amount (the request time minus the time actually slept).
 .Pp
 If any of the following conditions occur, the
-.Fn nanosleep 
+.Fn nanosleep
 function shall return -1 and set
 .Va errno
 to the corresponding value:
@@ -81,7 +81,7 @@ to the corresponding value:
 .It Bq Er EFAULT
 Either
 .Fa rqtp
-or 
+or
 .Fa rmtp
 points to memory that is not a valid part of the process
 address space.
diff --git a/lib/libc/sys/nfssvc.2 b/lib/libc/sys/nfssvc.2
index a852365fb2f8..d28edc13d3e5 100644
--- a/lib/libc/sys/nfssvc.2
+++ b/lib/libc/sys/nfssvc.2
@@ -121,7 +121,7 @@ with the flags
 .Dv NFSSVC_MNTD
 and
 .Dv NFSSVC_GOTAUTH
-after filling the ticket into the 
+after filling the ticket into the
 ncd_authstr field
 and
 setting the ncd_authlen and ncd_authtype
diff --git a/lib/libc/sys/open.2 b/lib/libc/sys/open.2
index 82f6c8a67b25..04d39a3b0775 100644
--- a/lib/libc/sys/open.2
+++ b/lib/libc/sys/open.2
@@ -58,7 +58,7 @@ argument may indicate the file is to be
 created if it does not exist (by specifying the
 .Dv O_CREAT
 flag).
-In this case 
+In this case
 .Nm
 requires a third argument
 .Fa "mode_t mode" ,
diff --git a/lib/libc/sys/pipe.2 b/lib/libc/sys/pipe.2
index e63f6cff9be9..d8c5cc521efc 100644
--- a/lib/libc/sys/pipe.2
+++ b/lib/libc/sys/pipe.2
@@ -89,7 +89,7 @@ for using the endpoints in the traditional manner when using a
 pipe in one direction.
 .Sh RETURN VALUES
 On successful creation of the pipe, zero is returned.
-Otherwise, 
+Otherwise,
 a value of -1 is returned and the variable
 .Va errno
 set to indicate the
diff --git a/lib/libc/sys/ptrace.2 b/lib/libc/sys/ptrace.2
index c91b2d1a5cee..275bdc63be3f 100644
--- a/lib/libc/sys/ptrace.2
+++ b/lib/libc/sys/ptrace.2
@@ -146,7 +146,7 @@ resumes execution, or 0 if no signal is to be sent.
 .It Dv PT_STEP
 The traced process is single stepped one instruction.
 The
-.Fa addr 
+.Fa addr
 and
 .Fa data
 fields are not used.
diff --git a/lib/libc/sys/quotactl.2 b/lib/libc/sys/quotactl.2
index 75de692e70e8..6fe4a094decc 100644
--- a/lib/libc/sys/quotactl.2
+++ b/lib/libc/sys/quotactl.2
@@ -91,7 +91,7 @@ The
 .Fa addr
 argument specifies a file from which to take the quotas.
 The quota file must exist;
-it is normally created with the 
+it is normally created with the
 .Xr quotacheck 8
 program.
 The
@@ -115,7 +115,7 @@ Get disk quota limits and current usage for the user or group
 .Fa Addr
 is a pointer to a
 .Fa struct dqblk
-structure (defined in 
+structure (defined in
 .Ao Pa ufs/ufs/quota.h Ac ) .
 .It Dv Q_SETQUOTA
 Set disk quota limits for the user or group
@@ -124,7 +124,7 @@ Set disk quota limits for the user or group
 .Fa Addr
 is a pointer to a
 .Fa struct dqblk
-structure (defined in 
+structure (defined in
 .Ao Pa ufs/ufs/quota.h Ac ) .
 The usage fields of the
 .Fa dqblk
diff --git a/lib/libc/sys/read.2 b/lib/libc/sys/read.2
index c797b5b0df9a..aa558f35e936 100644
--- a/lib/libc/sys/read.2
+++ b/lib/libc/sys/read.2
@@ -62,7 +62,7 @@ into the buffer pointed to by
 .Fa buf .
 .Fn Readv
 performs the same action, but scatters the input data
-into the 
+into the
 .Fa iovcnt
 buffers specified by the members of the
 .Fa iov
@@ -71,9 +71,9 @@ array: iov[0], iov[1], ..., iov[iovcnt\|\-\|1].
 performs the same function, but reads from the specified position in
 the file without modifying the file pointer.
 .Pp
-For 
+For
 .Fn readv ,
-the 
+the
 .Fa iovec
 structure is defined as:
 .Pp
@@ -84,10 +84,10 @@ struct iovec {
 };
 .Ed
 .Pp
-Each 
+Each
 .Fa iovec
 entry specifies the base address and length of an area
-in memory where data should be placed. 
+in memory where data should be placed.
 .Fn Readv
 will always fill an area completely before proceeding
 to the next.
@@ -199,7 +199,7 @@ The file was marked for non-blocking I/O,
 and no data were ready to be read.
 .El
 .Pp
-In addition, 
+In addition,
 .Fn readv
 may return one of the following errors:
 .Bl -tag -width Er
@@ -244,7 +244,7 @@ The file descriptor is associated with a pipe, socket, or FIFO.
 .Sh STANDARDS
 The
 .Fn read
-function call is expected to conform to 
+function call is expected to conform to
 .St -p1003.1-90 .
 The
 .Fn readv
diff --git a/lib/libc/sys/recv.2 b/lib/libc/sys/recv.2
index f9202cba33ea..4e702c093416 100644
--- a/lib/libc/sys/recv.2
+++ b/lib/libc/sys/recv.2
@@ -70,9 +70,9 @@ the buffer associated with
 and modified on return to indicate the actual size of the
 address stored there.
 .Pp
-The 
+The
 .Fn recv
-call is normally used only on a 
+call is normally used only on a
 .Em connected
 socket (see
 .Xr connect 2 )
@@ -115,7 +115,7 @@ call may be used to determine when more data arrive.
 .Pp
 The
 .Fa flags
-argument to a recv call is formed by 
+argument to a recv call is formed by
 .Em or Ap ing
 one or more of the values:
 .Bl -column MSG_WAITALL -offset indent
@@ -142,7 +142,7 @@ or the next data to be received is of a different type than that returned.
 .Pp
 The
 .Fn recvmsg
-call uses a 
+call uses a
 .Fa msghdr
 structure to minimize the number of directly supplied parameters.
 This structure has the following form, as defined in
diff --git a/lib/libc/sys/rename.2 b/lib/libc/sys/rename.2
index 31678f597bc0..f69ea1457f78 100644
--- a/lib/libc/sys/rename.2
+++ b/lib/libc/sys/rename.2
@@ -50,10 +50,10 @@ causes the link named
 .Fa from
 to be renamed as
 .Fa to .
-If 
+If
 .Fa to
 exists, it is first removed.
-Both 
+Both
 .Fa from
 and
 .Fa to
@@ -92,7 +92,7 @@ not the file or directory to which it points.
 .\".Ql rename a/foo b/bar
 .\"and
 .\".Ql rename b/bar a/foo ,
-.\"respectively, 
+.\"respectively,
 .\"the system may deadlock attempting to lock
 .\"both directories for modification.
 .\"Hard links to directories should be
@@ -100,7 +100,7 @@ not the file or directory to which it points.
 .Sh RETURN VALUES
 A 0 value is returned if the operation succeeds, otherwise
 .Fn rename
-returns -1 and the global variable 
+returns -1 and the global variable
 .Va errno
 indicates the reason for the failure.
 .Sh ERRORS
@@ -197,5 +197,5 @@ is a directory and is not empty.
 .Sh STANDARDS
 The
 .Fn rename
-function call is expected to conform to 
+function call is expected to conform to
 .St -p1003.1-90 .
diff --git a/lib/libc/sys/rfork.2 b/lib/libc/sys/rfork.2
index c3a6e75bdabe..8464926c5590 100644
--- a/lib/libc/sys/rfork.2
+++ b/lib/libc/sys/rfork.2
@@ -42,7 +42,7 @@ The current implementation requires this flag to always be set.
 If set, the child process will be dissociated from the parent.
 Upon
 exit the child will not leave a status for the parent to collect.
-See 
+See
 .Xr wait 2 .
 .It RFFDG
 If set, the invoker's file descriptor table (see
@@ -73,7 +73,7 @@ for information.
 If set, the kernel will force sharing the sigacts structure between the
 child and the parent.
 .It RFLINUXTHPN
-If set, the kernel will return SIGUSR1 instead of SIGCHILD upon thread 
+If set, the kernel will return SIGUSR1 instead of SIGCHILD upon thread
 exit for the child.  This is intended to mimic certain Linux clone behaviour.
 .El
 .Pp
diff --git a/lib/libc/sys/rtprio.2 b/lib/libc/sys/rtprio.2
index 517d1dda35b2..9f8915d0ca67 100644
--- a/lib/libc/sys/rtprio.2
+++ b/lib/libc/sys/rtprio.2
@@ -1,6 +1,6 @@
 .\" Copyright (c) 1994, Henrik Vestergaard Draboel
 .\" All rights reserved.
-.\" 
+.\"
 .\" Redistribution and use in source and binary forms, with or without
 .\" modification, are permitted provided that the following conditions
 .\" are met:
@@ -26,7 +26,7 @@
 .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
-.\" 
+.\"
 .\" $FreeBSD$
 .\"
 .Dd July 23, 1994
@@ -40,7 +40,7 @@
 .Sh SYNOPSIS
 .Fd #include <sys/types.h>
 .Fd #include <sys/rtprio.h>
-.Ft int 
+.Ft int
 .Fn rtprio "int function" "pid_t pid" "struct rtprio *rtp"
 .Sh DESCRIPTION
 .Fn rtprio
@@ -48,13 +48,13 @@ is used to lookup or change the realtime or idle priority of a process.
 .Pp
 .Fa function
 specifies the operation to be performed.
-RTP_LOOKUP to lookup the current priority, 
+RTP_LOOKUP to lookup the current priority,
 and RTP_SET to set the priority.
 .Fa pid
 specifies the process to be used, 0 for the current process.
 .Pp
 .Fa *rtp
-is a pointer to a struct rtprio which is used to specify the priority and priority type. 
+is a pointer to a struct rtprio which is used to specify the priority and priority type.
 This structure has the following form:
 .Bd -literal
 struct rtprio {
@@ -69,7 +69,7 @@ field may be RTP_PRIO_REALTIME for realtime priorities,
 RTP_PRIO_NORMAL for normal priorities, and RTP_PRIO_IDLE for idle priorities.
 The priority specified by the
 .Nm prio
-field ranges between 0 and  
+field ranges between 0 and
 .Dv RTP_PRIO_MAX (usually 31) .
 0 is the highest possible priority.
 .Pp
@@ -89,7 +89,7 @@ The global variable
 will be set to indicate the error.
 .Sh ERRORS
 .Fn rtprio
-will fail if 
+will fail if
 .Bl -tag -width Er
 .It Bq Er EINVAL
 The specified
diff --git a/lib/libc/sys/sched_get_priority_max.2 b/lib/libc/sys/sched_get_priority_max.2
index ac2e929f8305..103b913d3976 100644
--- a/lib/libc/sys/sched_get_priority_max.2
+++ b/lib/libc/sys/sched_get_priority_max.2
@@ -118,7 +118,7 @@ No process can be found corresponding to that specified by
 .Xr sched_setparam 2 
 .Sh STANDARDS
 The
-.Fn sched_setscheduler 
+.Fn sched_setscheduler
 and
 .Fn sched_getscheduler
 functions conform to
diff --git a/lib/libc/sys/sched_setparam.2 b/lib/libc/sys/sched_setparam.2
index 43773734ef60..ee25174b27c3 100644
--- a/lib/libc/sys/sched_setparam.2
+++ b/lib/libc/sys/sched_setparam.2
@@ -167,7 +167,7 @@ is outside the range defined for the scheduling policy of the specified
 .Xr sched_yield 2
 .Sh STANDARDS
 The
-.Fn sched_setparam 
+.Fn sched_setparam
 and
 .Fn sched_getparam
 functions conform to
diff --git a/lib/libc/sys/sched_setscheduler.2 b/lib/libc/sys/sched_setscheduler.2
index 6e376b81654f..a5b0b1d437d1 100644
--- a/lib/libc/sys/sched_setscheduler.2
+++ b/lib/libc/sys/sched_setscheduler.2
@@ -162,7 +162,7 @@ is outside the valid range for the specified scheduling policy.
 .Xr sched_yield 2
 .Sh STANDARDS
 The
-.Fn sched_setscheduler 
+.Fn sched_setscheduler
 and
 .Fn sched_getscheduler
 functions conform to
diff --git a/lib/libc/sys/sched_yield.2 b/lib/libc/sys/sched_yield.2
index 41f0af3fc799..f962c623ef41 100644
--- a/lib/libc/sys/sched_yield.2
+++ b/lib/libc/sys/sched_yield.2
@@ -41,7 +41,7 @@ The
 function forces the running process to relinquish the processor until it
 again becomes the head of its process list.  It takes no arguments.
 .Sh RETURN VALUES
-The 
+The
 .Fn sched_yield
 function will return zero if it completes successfully, or it
 will return a value of -1 and set
@@ -57,6 +57,6 @@ The system is not configured to support this functionality.
 .El
 .Sh STANDARDS
 The
-.Fn sched_yield 
+.Fn sched_yield
 function conforms to
 .St -p1003.1b-93 .
diff --git a/lib/libc/sys/select.2 b/lib/libc/sys/select.2
index 16e6be2111e0..5bc9ac94d571 100644
--- a/lib/libc/sys/select.2
+++ b/lib/libc/sys/select.2
@@ -110,7 +110,7 @@ is a non-nil pointer, it specifies the maximum interval to wait for the
 selection to complete.  System activity can lengthen the interval by
 an indeterminate amount.
 .Pp
-If 
+If
 .Fa timeout
 is a nil pointer, the select blocks indefinitely.
 .Pp
@@ -168,7 +168,7 @@ was invalid.
 The default size of
 .Dv FD_SETSIZE
 is currently 1024.
-In order to accommodate programs which might potentially 
+In order to accommodate programs which might potentially
 use a larger number of open files with
 .Fn select
 , it is possible
@@ -179,14 +179,14 @@ before the inclusion of any header which includes
 .Pp
 If
 .Fa nfds
-is greater than the number of open files, 
+is greater than the number of open files,
 .Fn select
 is not guaranteed to examine the unused file descriptors.   For historical
-reasons, 
+reasons,
 .Fn select
 will always examine the first 256 descriptors.
 .Sh BUGS
-.St -susv2 
+.St -susv2
 allows systems to modify the original timeout in place.
 Thus, it is unwise to assume that the timeout value will be unmodified
 by the
diff --git a/lib/libc/sys/semctl.2 b/lib/libc/sys/semctl.2
index 6fa120b3bd27..1892237ba027 100644
--- a/lib/libc/sys/semctl.2
+++ b/lib/libc/sys/semctl.2
@@ -47,7 +47,7 @@ on the semaphore set indicated by
 .Fa semid .
 A fourth argument, a
 .Fa "union semun arg" ,
-is required for certain values of 
+is required for certain values of
 .Fa cmd .
 For the commands that use the
 .Fa arg
diff --git a/lib/libc/sys/semop.2 b/lib/libc/sys/semop.2
index faf0224b1ef2..87f3ae2df94e 100644
--- a/lib/libc/sys/semop.2
+++ b/lib/libc/sys/semop.2
@@ -152,7 +152,7 @@ When
 is zero, the process waits for the semaphore's value to become zero.
 If it is already zero, the call to
 .Fn semop
-can return immediately.  Otherwise, the calling process is put to 
+can return immediately.  Otherwise, the calling process is put to
 sleep until the semaphore's value becomes zero.
 .El
 .Pp
diff --git a/lib/libc/sys/send.2 b/lib/libc/sys/send.2
index 1920059f3b12..533854de8b2e 100644
--- a/lib/libc/sys/send.2
+++ b/lib/libc/sys/send.2
@@ -58,9 +58,9 @@ and
 .Fn sendmsg
 are used to transmit a message to another socket.
 .Fn Send
-may be used only when the socket is in a 
+may be used only when the socket is in a
 .Em connected
-state, while 
+state, while
 .Fn sendto
 and
 .Fn sendmsg
@@ -68,7 +68,7 @@ may be used at any time.
 .Pp
 The address of the target is given by
 .Fa to
-with 
+with
 .Fa tolen
 specifying its size.
 The length of the message is given by
@@ -130,7 +130,7 @@ protocol family, and is used to implement Transaction
 .Dv MSG_DONTROUTE
 is usually used only by diagnostic or routing programs.
 .Pp
-See 
+See
 .Xr recv 2
 for a description of the
 .Fa msghdr
@@ -148,7 +148,7 @@ fail if:
 .It Bq Er EBADF
 An invalid descriptor was specified.
 .It Bq Er EACCES
-The destination address is a broadcast address, and 
+The destination address is a broadcast address, and
 .Dv SO_BROADCAST
 has not been set on the socket.
 .It Bq Er ENOTSOCK
diff --git a/lib/libc/sys/setgroups.2 b/lib/libc/sys/setgroups.2
index 43726bbdda65..25af1f4dabb6 100644
--- a/lib/libc/sys/setgroups.2
+++ b/lib/libc/sys/setgroups.2
@@ -48,7 +48,7 @@
 .Sh DESCRIPTION
 .Fn Setgroups
 sets the group access list of the current user process
-according to the array 
+according to the array
 .Fa gidset .
 The parameter
 .Fa ngroups
diff --git a/lib/libc/sys/setpgid.2 b/lib/libc/sys/setpgid.2
index 0db4d2871831..a6585a179c73 100644
--- a/lib/libc/sys/setpgid.2
+++ b/lib/libc/sys/setpgid.2
@@ -82,7 +82,7 @@ of the calling process.
 .Sh STANDARDS
 The
 .Fn setpgid
-function call is expected to conform to 
+function call is expected to conform to
 .St -p1003.1-90 .
 .Sh COMPATIBILITY
 .Fn Setpgrp
diff --git a/lib/libc/sys/setreuid.2 b/lib/libc/sys/setreuid.2
index f50b94c6e69b..a421e4af6a12 100644
--- a/lib/libc/sys/setreuid.2
+++ b/lib/libc/sys/setreuid.2
@@ -49,7 +49,7 @@ The real and effective user IDs of the
 current process are set according to the arguments.
 If
 .Fa ruid
-or 
+or
 .Fa euid
 is -1, the current uid is filled in by the system.
 Unprivileged users may change the real user
@@ -70,7 +70,7 @@ the standard
 .Fn setuid
 function is preferred.
 .Sh RETURN VALUES
-.Rv -std setreuid 
+.Rv -std setreuid
 .Sh ERRORS
 .Bl -tag -width Er
 .It Bq Er EPERM
diff --git a/lib/libc/sys/setuid.2 b/lib/libc/sys/setuid.2
index e9cccd7e9b60..c62d26af2a3c 100644
--- a/lib/libc/sys/setuid.2
+++ b/lib/libc/sys/setuid.2
@@ -148,7 +148,7 @@ The
 .Fn seteuid
 and
 .Fn setegid
-functions are extensions based on the 
+functions are extensions based on the
 .Tn POSIX
 concept of
 .Li _POSIX_SAVED_IDS ,
diff --git a/lib/libc/sys/shmat.2 b/lib/libc/sys/shmat.2
index 31408473c659..53d5e079e32c 100644
--- a/lib/libc/sys/shmat.2
+++ b/lib/libc/sys/shmat.2
@@ -60,7 +60,7 @@ If
 is 0, the segment is attached at an address selected by the
 kernel.
 .It
-If 
+If
 .Fa addr
 is nonzero and SHM_RND is not specified in
 .Fa flag ,
diff --git a/lib/libc/sys/shmget.2 b/lib/libc/sys/shmget.2
index 05bc68cf66fe..cddfefe9c792 100644
--- a/lib/libc/sys/shmget.2
+++ b/lib/libc/sys/shmget.2
@@ -134,7 +134,7 @@ corresponding to
 .Fa key
 already exists.
 .El
-.Sh "SEE ALSO" 
+.Sh "SEE ALSO"
 .Xr shmat 2 ,
 .Xr shmctl 2 ,
 .Xr shmdt 2 ,
diff --git a/lib/libc/sys/sigaction.2 b/lib/libc/sys/sigaction.2
index 9cefbb65d189..443aec50501c 100644
--- a/lib/libc/sys/sigaction.2
+++ b/lib/libc/sys/sigaction.2
@@ -62,10 +62,10 @@ struct sigaction {
 .Sh DESCRIPTION
 The system defines a set of signals that may be delivered to a process.
 Signal delivery resembles the occurrence of a hardware interrupt:
-the signal is normally blocked from further occurrence, the current process 
+the signal is normally blocked from further occurrence, the current process
 context is saved, and a new one is built.  A process may specify a
 .Em handler
-to which a signal is delivered, or specify that a signal is to be 
+to which a signal is delivered, or specify that a signal is to be
 .Em ignored .
 A process may also specify that a default action is to be taken
 by the system when a signal occurs.
@@ -84,7 +84,7 @@ Signal routines normally execute with the signal that caused their
 invocation
 .Em blocked ,
 but other signals may yet occur.
-A global 
+A global
 .Em "signal mask"
 defines the set of signals currently blocked from delivery
 to a process.  The signal mask for a process is initialized
@@ -111,7 +111,7 @@ The set of pending signals is returned by the
 function.
 When a caught signal
 is delivered, the current state of the process is saved,
-a new signal mask is calculated (as described below), 
+a new signal mask is calculated (as described below),
 and the signal handler is invoked.  The call to the handler
 is arranged so that if the signal handling routine returns
 normally the process will resume execution in the context
@@ -125,7 +125,7 @@ installed for the duration of the process' signal handler
 .Xr sigprocmask
 call is made).
 This mask is formed by taking the union of the current signal mask set,
-the signal to be delivered, and 
+the signal to be delivered, and
 the signal mask associated with the handler to be invoked.
 .Pp
 .Fn Sigaction
@@ -139,7 +139,7 @@ specifies an action
 .Dv SIG_IGN ,
 or a handler routine) and mask
 to be used when delivering the specified signal.
-If 
+If
 .Fa oact
 is non-zero, the previous handling information for the signal
 is returned to the user.
@@ -147,7 +147,7 @@ is returned to the user.
 Once a signal handler is installed, it normally remains installed
 until another
 .Fn sigaction
-call is made, or an 
+call is made, or an
 .Xr execve 2
 is performed.
 A signal-specific default action may be reset by
@@ -214,11 +214,11 @@ at the moment the signal is delivered.
 If this bit is set, the handler function is assumed to be pointed to
 by the sa_sigaction member of struct sigaction and should match the
 prototype shown above or as below in
-.Sx EXAMPLES .                      
-This bit should not be set when assigning 
-.Dv SIG_DFL                              
-or                                       
-.Dv SIG_IGN .                            
+.Sx EXAMPLES .
+This bit should not be set when assigning
+.Dv SIG_DFL
+or
+.Dv SIG_IGN .
 .El
 .Pp
 If a signal is caught during the system calls listed below,
@@ -313,7 +313,7 @@ is possible on a descriptor (see
 .Sh NOTE
 The
 .Fa sa_mask
-field specified in 
+field specified in
 .Fa act
 is not allowed to block
 .Dv SIGKILL
@@ -324,7 +324,7 @@ Any attempt to do so will be silently ignored.
 The following functions are either reentrant or not interruptible
 by signals and are async-signal safe.
 Therefore applications may
-invoke them, without restriction, from signal-catching functions: 
+invoke them, without restriction, from signal-catching functions:
 .Pp
 Base Interfaces:
 .Pp
@@ -464,14 +464,14 @@ The
 .Dv sa_handler
 member declaration in
 .Fx
-include files is that of ANSI C (as required by POSIX), 
+include files is that of ANSI C (as required by POSIX),
 so a function pointer of a BSD-style function needs to be casted to
 compile without warning.
 The traditional BSD style is not portable and since its capabilities
 are a full subset of a SA_SIGINFO handler,
 its use is deprecated.
 .Pp
-The 
+The
 .Fa sig
 argument is the signal number, one of the
 .Dv SIG...
@@ -508,7 +508,7 @@ of the following occurs:
 .It Bq Er EFAULT
 Either
 .Fa act
-or 
+or
 .Fa oact
 points to memory that is not a valid part of the process
 address space.
@@ -524,7 +524,7 @@ or
 .Sh STANDARDS
 The
 .Fn sigaction
-function call is expected to conform to 
+function call is expected to conform to
 .St -p1003.1-90 .
 The
 .Dv SA_ONSTACK
diff --git a/lib/libc/sys/sigaltstack.2 b/lib/libc/sys/sigaltstack.2
index b7f8d3a810c7..aeb3cf9f0fa3 100644
--- a/lib/libc/sys/sigaltstack.2
+++ b/lib/libc/sys/sigaltstack.2
@@ -70,7 +70,7 @@ call), the system checks to see
 if the process is currently executing on that stack.
 If the process is not currently executing on the signal stack,
 the system arranges a switch to the signal stack for the
-duration of the signal handler's execution. 
+duration of the signal handler's execution.
 .Pp
 If
 .Dv SS_DISABLE
@@ -134,7 +134,7 @@ If the stack overflows and this space is not protected
 unpredictable results may occur.
 .Sh RETURN VALUES
 Upon successful completion, a value of 0 is returned.
-Otherwise, a value of -1 is returned and 
+Otherwise, a value of -1 is returned and
 .Va errno
 is set to indicate the error.
 .Sh ERRORS
diff --git a/lib/libc/sys/sigpending.2 b/lib/libc/sys/sigpending.2
index e05d186587c2..361a91898199 100644
--- a/lib/libc/sys/sigpending.2
+++ b/lib/libc/sys/sigpending.2
@@ -76,5 +76,5 @@ argument specified an invalid address.
 .Sh STANDARDS
 The
 .Fn sigpending
-function call is expected to conform to 
+function call is expected to conform to
 .St -p1003.1-90 .
diff --git a/lib/libc/sys/sigreturn.2 b/lib/libc/sys/sigreturn.2
index c5185fea7ea2..e67c48e24c31 100644
--- a/lib/libc/sys/sigreturn.2
+++ b/lib/libc/sys/sigreturn.2
@@ -89,7 +89,7 @@ This system call is not available in 4.2
 hence it should not be used if backward compatibility is needed.
 .Sh RETURN VALUES
 If successful, the system call does not return.
-Otherwise, a value of -1 is returned and 
+Otherwise, a value of -1 is returned and
 .Va errno
 is set to indicate the error.
 .Sh ERRORS
diff --git a/lib/libc/sys/sigstack.2 b/lib/libc/sys/sigstack.2
index 4726fd95bca7..317fee656eb1 100644
--- a/lib/libc/sys/sigstack.2
+++ b/lib/libc/sys/sigstack.2
@@ -41,7 +41,7 @@
 .Sh LIBRARY
 .Lb libc
 .Sh DESCRIPTION
-The 
+The
 .Fn sigstack
 function has been deprecated in favor of the interface described in
 .Xr sigaltstack 2 .
diff --git a/lib/libc/sys/sigsuspend.2 b/lib/libc/sys/sigsuspend.2
index b3984bef60c7..280d6d960861 100644
--- a/lib/libc/sys/sigsuspend.2
+++ b/lib/libc/sys/sigsuspend.2
@@ -78,5 +78,5 @@ set to
 .Sh STANDARDS
 The
 .Fn sigsupend
-function call is expected to conform to 
+function call is expected to conform to
 .St -p1003.1-90 .
diff --git a/lib/libc/sys/socket.2 b/lib/libc/sys/socket.2
index a3fb618a84fd..eef676e04b7f 100644
--- a/lib/libc/sys/socket.2
+++ b/lib/libc/sys/socket.2
@@ -161,7 +161,7 @@ Once connected, data may be transferred using
 .Xr read 2
 and
 .Xr write 2
-calls or some variant of the 
+calls or some variant of the
 .Xr send 2
 and
 .Xr recv 2
@@ -212,7 +212,7 @@ sockets employ the same system calls
 as
 .Dv SOCK_STREAM
 sockets.  The only difference
-is that 
+is that
 .Xr read 2
 calls will return only the amount of data requested,
 and any remaining in the arriving packet will be discarded.
@@ -227,7 +227,7 @@ calls.  Datagrams are generally received with
 .Xr recvfrom 2 ,
 which returns the next datagram with its return address.
 .Pp
-An 
+An
 .Xr fcntl 2
 call can be used to specify a process group to receive
 a
diff --git a/lib/libc/sys/stat.2 b/lib/libc/sys/stat.2
index e611913cc4c9..efeb8f61f44a 100644
--- a/lib/libc/sys/stat.2
+++ b/lib/libc/sys/stat.2
@@ -271,7 +271,7 @@ The
 .Fn stat
 and
 .Fn fstat
-function calls are expected to conform to 
+function calls are expected to conform to
 .St -p1003.1-90 .
 .Sh HISTORY
 A
diff --git a/lib/libc/sys/swapon.2 b/lib/libc/sys/swapon.2
index 998d9a462510..7e7eee1c8c2b 100644
--- a/lib/libc/sys/swapon.2
+++ b/lib/libc/sys/swapon.2
@@ -46,12 +46,12 @@
 .Fn swapon "const char *special"
 .Sh DESCRIPTION
 .Fn Swapon
-makes the block device 
+makes the block device
 .Fa special
 available to the system for
 allocation for paging and swapping.  The names of potentially
 available devices are known to the system and defined at system
-configuration time.  The size of the swap area on 
+configuration time.  The size of the swap area on
 .Fa special
 is calculated at the time the device is first made available
 for swapping.
@@ -90,7 +90,7 @@ The device configured by
 was not
 configured into the system as a swap device.
 .It Bq Er ENXIO
-The major device number of 
+The major device number of
 .Fa special
 is out of range (this indicates no device driver exists
 for the associated hardware).
diff --git a/lib/libc/sys/sync.2 b/lib/libc/sys/sync.2
index 9e88b6bf2f7d..8af30ddbff98 100644
--- a/lib/libc/sys/sync.2
+++ b/lib/libc/sys/sync.2
@@ -45,7 +45,7 @@
 .Ft void
 .Fn sync void
 .Sh DESCRIPTION
-The 
+The
 .Fn sync
 function forces a write of dirty (modified) buffers
 in the block buffer cache out
@@ -58,7 +58,7 @@ call is issued
 frequently
 by the user process
 .Xr syncer 4
-(about every 30 seconds). 
+(about every 30 seconds).
 .Pp
 The function
 .Xr fsync 2
diff --git a/lib/libc/sys/umask.2 b/lib/libc/sys/umask.2
index eb6064edc20d..732c78668a97 100644
--- a/lib/libc/sys/umask.2
+++ b/lib/libc/sys/umask.2
@@ -81,7 +81,7 @@ function is always successful.
 .Sh STANDARDS
 The
 .Fn umask
-function call is expected to conform to 
+function call is expected to conform to
 .St -p1003.1-90 .
 .Sh HISTORY
 An
diff --git a/lib/libc/sys/utimes.2 b/lib/libc/sys/utimes.2
index fdf893fd777a..84a0a0dbd20e 100644
--- a/lib/libc/sys/utimes.2
+++ b/lib/libc/sys/utimes.2
@@ -60,9 +60,9 @@ or referenced by
 are changed as specified by the argument
 .Fa times .
 .Pp
-If 
+If
 .Fa times
-is 
+is
 .Dv NULL ,
 the access and modification times are set to the current time.
 The caller must be the owner of the file, have permission to
@@ -71,7 +71,7 @@ write the file, or be the super-user.
 If
 .Fa times
 is
-.Pf non- Dv NULL , 
+.Pf non- Dv NULL ,
 it is assumed to point to an array of two timeval structures.
 The access time is set to the value of the first element, and the
 modification time is set to the value of the second element.
@@ -120,9 +120,9 @@ An I/O error occurred while reading or writing the affected inode.
 .It Bq Er ELOOP
 Too many symbolic links were encountered in translating the pathname.
 .It Bq Er ENAMETOOLONG
-A component of a pathname exceeded 
+A component of a pathname exceeded
 .Dv NAME_MAX
-characters, or an entire path name exceeded 
+characters, or an entire path name exceeded
 .Dv PATH_MAX
 characters.
 .It Bq Er ENOENT
diff --git a/lib/libc/sys/vfork.2 b/lib/libc/sys/vfork.2
index a532d59522a6..13d8dcf25f86 100644
--- a/lib/libc/sys/vfork.2
+++ b/lib/libc/sys/vfork.2
@@ -104,7 +104,7 @@ Same as for
 .Xr fork 2 .
 .Sh BUGS
 This system call will be eliminated when proper system sharing
-mechanisms are implemented. 
+mechanisms are implemented.
 Users should not depend on the memory
 sharing semantics of
 .Xr vfork 2
diff --git a/lib/libc/sys/wait.2 b/lib/libc/sys/wait.2
index c1c0ed09959c..4a0e6ba1b36b 100644
--- a/lib/libc/sys/wait.2
+++ b/lib/libc/sys/wait.2
@@ -63,9 +63,9 @@ function suspends execution of its calling process until
 .Fa status
 information is available for a terminated child process,
 or a signal is received.
-On return from a successful 
+On return from a successful
 .Fn wait
-call, 
+call,
 the
 .Fa status
 area contains termination information about the process that exited
@@ -131,9 +131,9 @@ for stopped processes).
 When the
 .Dv WNOHANG
 option is specified and no processes
-wish to report status, 
+wish to report status,
 .Fn wait4
-returns a 
+returns a
 process id
 of 0.
 .Pp
diff --git a/lib/libc/sys/write.2 b/lib/libc/sys/write.2
index a306cc1cc770..5b76325a4610 100644
--- a/lib/libc/sys/write.2
+++ b/lib/libc/sys/write.2
@@ -62,7 +62,7 @@ from the buffer pointed to by
 .Fa buf .
 .Fn Writev
 performs the same action, but gathers the output data
-from the 
+from the
 .Fa iovcnt
 buffers specified by the members of the
 .Fa iov
@@ -71,9 +71,9 @@ array: iov[0], iov[1], ..., iov[iovcnt\|-\|1].
 performs the same function, but writes to the specified position in
 the file without modifying the file pointer.
 .Pp
-For 
+For
 .Fn writev ,
-the 
+the
 .Fa iovec
 structure is defined as:
 .Pp
@@ -84,7 +84,7 @@ struct iovec {
 };
 .Ed
 .Pp
-Each 
+Each
 .Fa iovec
 entry specifies the base address and length of an area
 in memory from which data should be written.
@@ -221,7 +221,7 @@ The file was marked for non-blocking I/O,
 and no data could be written immediately.
 .El
 .Pp
-In addition, 
+In addition,
 .Fn writev
 may return one of the following errors:
 .Bl -tag -width Er
@@ -269,7 +269,7 @@ The file descriptor is associated with a pipe, socket, or FIFO.
 .Sh STANDARDS
 The
 .Fn write
-function call is expected to conform to 
+function call is expected to conform to
 .St -p1003.1-90 .
 The
 .Fn writev
diff --git a/lib/libc_r/man/pthread_attr.3 b/lib/libc_r/man/pthread_attr.3
index c34df1ee42e1..6707b0a21f7d 100644
--- a/lib/libc_r/man/pthread_attr.3
+++ b/lib/libc_r/man/pthread_attr.3
@@ -1,6 +1,6 @@
 .\" Copyright (C) 2000 Jason Evans <jasone@freebsd.org>.
 .\" All rights reserved.
-.\" 
+.\"
 .\" Redistribution and use in source and binary forms, with or without
 .\" modification, are permitted provided that the following conditions
 .\" are met:
@@ -12,7 +12,7 @@
 .\"    notice(s), this list of conditions and the following disclaimer in
 .\"    the documentation and/or other materials provided with the
 .\"    distribution.
-.\" 
+.\"
 .\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
 .\" EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
@@ -24,7 +24,7 @@
 .\" WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 .\" OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 .\" EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-.\" 
+.\"
 .\" $FreeBSD$
 .Dd April 28, 2000
 .Dt PTHREAD_ATTR 3
@@ -108,7 +108,7 @@ functions set the attribute that corresponds to each function name.
 The
 .Fn pthread_attr_get*
 functions copy the value of the attribute that corresponds to each function name
-to the location pointed to by the second function parameter. 
+to the location pointed to by the second function parameter.
 .Sh RETURN VALUES
 If successful, these functions return 0.
 Otherwise, an error number is returned to indicate the error.
diff --git a/lib/libc_r/man/pthread_condattr.3 b/lib/libc_r/man/pthread_condattr.3
index 5b0200fdcba4..d117c7505642 100644
--- a/lib/libc_r/man/pthread_condattr.3
+++ b/lib/libc_r/man/pthread_condattr.3
@@ -1,6 +1,6 @@
 .\" Copyright (C) 2000 Jason Evans <jasone@freebsd.org>.
 .\" All rights reserved.
-.\" 
+.\"
 .\" Redistribution and use in source and binary forms, with or without
 .\" modification, are permitted provided that the following conditions
 .\" are met:
@@ -12,7 +12,7 @@
 .\"    notice(s), this list of conditions and the following disclaimer in
 .\"    the documentation and/or other materials provided with the
 .\"    distribution.
-.\" 
+.\"
 .\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
 .\" EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
@@ -24,7 +24,7 @@
 .\" WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 .\" OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 .\" EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-.\" 
+.\"
 .\" $FreeBSD$
 .Dd April 28, 2000
 .Dt PTHREAD_CONDATTR 3
diff --git a/lib/libc_r/man/pthread_detach.3 b/lib/libc_r/man/pthread_detach.3
index fed4483de8ef..e91a2fe91669 100644
--- a/lib/libc_r/man/pthread_detach.3
+++ b/lib/libc_r/man/pthread_detach.3
@@ -54,7 +54,7 @@ If
 has not terminated,
 .Fn pthread_detach
 will not cause it to terminate.
-The effect of multiple 
+The effect of multiple
 .Fn pthread_detach
 calls on the same target thread is unspecified.
 .Sh RETURN VALUES
diff --git a/lib/libc_r/man/pthread_exit.3 b/lib/libc_r/man/pthread_exit.3
index a21f6dc3a9ff..93a584b084cf 100644
--- a/lib/libc_r/man/pthread_exit.3
+++ b/lib/libc_r/man/pthread_exit.3
@@ -74,7 +74,7 @@ is undefined if called from a cancellation handler or destructor function
 that was invoked as the result of an implicit or explicit call to
 .Fn pthread_exit .
 .Pp
-After a thread has terminated, the result of access to local (auto) 
+After a thread has terminated, the result of access to local (auto)
 variables of the thread is undefined.
 Thus, references to local variables
 of the exiting thread should not be used for the
diff --git a/lib/libc_r/man/pthread_kill.3 b/lib/libc_r/man/pthread_kill.3
index b5bb859a34ca..a18a969cdd75 100644
--- a/lib/libc_r/man/pthread_kill.3
+++ b/lib/libc_r/man/pthread_kill.3
@@ -1,6 +1,6 @@
 .\" Copyright (C) 2000 Jason Evans <jasone@freebsd.org>.
 .\" All rights reserved.
-.\" 
+.\"
 .\" Redistribution and use in source and binary forms, with or without
 .\" modification, are permitted provided that the following conditions
 .\" are met:
@@ -12,7 +12,7 @@
 .\"    notice(s), this list of conditions and the following disclaimer in
 .\"    the documentation and/or other materials provided with the
 .\"    distribution.
-.\" 
+.\"
 .\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
 .\" EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
@@ -24,7 +24,7 @@
 .\" WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 .\" OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 .\" EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-.\" 
+.\"
 .\" $FreeBSD$
 .Dd April 27, 2000
 .Dt PTHREAD_KILL 3
diff --git a/lib/libc_r/man/pthread_mutexattr.3 b/lib/libc_r/man/pthread_mutexattr.3
index ec79518a23d6..555cdd4735db 100644
--- a/lib/libc_r/man/pthread_mutexattr.3
+++ b/lib/libc_r/man/pthread_mutexattr.3
@@ -1,6 +1,6 @@
 .\" Copyright (C) 2000 Jason Evans <jasone@freebsd.org>.
 .\" All rights reserved.
-.\" 
+.\"
 .\" Redistribution and use in source and binary forms, with or without
 .\" modification, are permitted provided that the following conditions
 .\" are met:
@@ -12,7 +12,7 @@
 .\"    notice(s), this list of conditions and the following disclaimer in
 .\"    the documentation and/or other materials provided with the
 .\"    distribution.
-.\" 
+.\"
 .\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
 .\" EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
@@ -24,7 +24,7 @@
 .\" WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 .\" OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 .\" EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-.\" 
+.\"
 .\" $FreeBSD$
 .Dd May 1, 2000
 .Dt PTHREAD_MUTEXATTR 3
diff --git a/lib/libc_r/man/pthread_once.3 b/lib/libc_r/man/pthread_once.3
index f3621d9a4894..4549288a667a 100644
--- a/lib/libc_r/man/pthread_once.3
+++ b/lib/libc_r/man/pthread_once.3
@@ -76,7 +76,7 @@ is not a cancellation point.
 However, if
 .Fn init_routine
 is a cancellation point and is cancelled, the effect on
-.Fa once_control is as if 
+.Fa once_control is as if
 .Fn pthread_once
 was never called.
 .Pp
diff --git a/lib/libc_r/man/pthread_rwlock_destroy.3 b/lib/libc_r/man/pthread_rwlock_destroy.3
index bd1bfe8360f7..70acf928ebe2 100644
--- a/lib/libc_r/man/pthread_rwlock_destroy.3
+++ b/lib/libc_r/man/pthread_rwlock_destroy.3
@@ -39,7 +39,7 @@
 .Sh DESCRIPTION
 The
 .Fn pthread_rwlock_destroy
-function is used to destroy a read/write lock previously created with 
+function is used to destroy a read/write lock previously created with
 .Fn pthread_rwlock_init .
 .Sh RETURN VALUES
 If successful, the
diff --git a/lib/libc_r/man/pthread_rwlockattr_destroy.3 b/lib/libc_r/man/pthread_rwlockattr_destroy.3
index 80db1a95882d..ab6a6e17768b 100644
--- a/lib/libc_r/man/pthread_rwlockattr_destroy.3
+++ b/lib/libc_r/man/pthread_rwlockattr_destroy.3
@@ -40,7 +40,7 @@
 The
 .Fn pthread_rwlockattr_destroy
 function is used to destroy a read/write lock attribute object
-previously created with 
+previously created with
 .Fn pthread_rwlockattr_init .
 .Sh RETURN VALUES
 If successful, the
diff --git a/lib/libc_r/man/pthread_schedparam.3 b/lib/libc_r/man/pthread_schedparam.3
index 3e2e32ebfb62..96287e5b6e7b 100644
--- a/lib/libc_r/man/pthread_schedparam.3
+++ b/lib/libc_r/man/pthread_schedparam.3
@@ -1,6 +1,6 @@
 .\" Copyright (C) 2000 Jason Evans <jasone@freebsd.org>.
 .\" All rights reserved.
-.\" 
+.\"
 .\" Redistribution and use in source and binary forms, with or without
 .\" modification, are permitted provided that the following conditions
 .\" are met:
@@ -12,7 +12,7 @@
 .\"    notice(s), this list of conditions and the following disclaimer in
 .\"    the documentation and/or other materials provided with the
 .\"    distribution.
-.\" 
+.\"
 .\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
 .\" EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
@@ -24,7 +24,7 @@
 .\" WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 .\" OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 .\" EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-.\" 
+.\"
 .\" $FreeBSD$
 .Dd May 1, 2000
 .Dt PTHREAD_SCHEDPARAM 3
diff --git a/lib/libc_r/man/pthread_sigmask.3 b/lib/libc_r/man/pthread_sigmask.3
index f588911b57a8..233d7db18f11 100644
--- a/lib/libc_r/man/pthread_sigmask.3
+++ b/lib/libc_r/man/pthread_sigmask.3
@@ -1,6 +1,6 @@
 .\" Copyright (C) 2000 Jason Evans <jasone@freebsd.org>.
 .\" All rights reserved.
-.\" 
+.\"
 .\" Redistribution and use in source and binary forms, with or without
 .\" modification, are permitted provided that the following conditions
 .\" are met:
@@ -12,7 +12,7 @@
 .\"    notice(s), this list of conditions and the following disclaimer in
 .\"    the documentation and/or other materials provided with the
 .\"    distribution.
-.\" 
+.\"
 .\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
 .\" EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
@@ -24,7 +24,7 @@
 .\" WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 .\" OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 .\" EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-.\" 
+.\"
 .\" $FreeBSD$
 .Dd April 27, 2000
 .Dt PTHREAD_SIGMASK 3
diff --git a/lib/libc_r/man/sem_destroy.3 b/lib/libc_r/man/sem_destroy.3
index 4074adcb35d0..0de46913728b 100644
--- a/lib/libc_r/man/sem_destroy.3
+++ b/lib/libc_r/man/sem_destroy.3
@@ -1,6 +1,6 @@
 .\" Copyright (C) 2000 Jason Evans <jasone@freebsd.org>.
 .\" All rights reserved.
-.\" 
+.\"
 .\" Redistribution and use in source and binary forms, with or without
 .\" modification, are permitted provided that the following conditions
 .\" are met:
@@ -12,7 +12,7 @@
 .\"    notice(s), this list of conditions and the following disclaimer in
 .\"    the documentation and/or other materials provided with the
 .\"    distribution.
-.\" 
+.\"
 .\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
 .\" EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
@@ -24,7 +24,7 @@
 .\" WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 .\" OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 .\" EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-.\" 
+.\"
 .\" $FreeBSD$
 .Dd February 15, 2000
 .Dt SEM_DESTROY 3
diff --git a/lib/libc_r/man/sem_getvalue.3 b/lib/libc_r/man/sem_getvalue.3
index e9ac2a6466f5..3ee947af7ad8 100644
--- a/lib/libc_r/man/sem_getvalue.3
+++ b/lib/libc_r/man/sem_getvalue.3
@@ -1,6 +1,6 @@
 .\" Copyright (C) 2000 Jason Evans <jasone@freebsd.org>.
 .\" All rights reserved.
-.\" 
+.\"
 .\" Redistribution and use in source and binary forms, with or without
 .\" modification, are permitted provided that the following conditions
 .\" are met:
@@ -12,7 +12,7 @@
 .\"    notice(s), this list of conditions and the following disclaimer in
 .\"    the documentation and/or other materials provided with the
 .\"    distribution.
-.\" 
+.\"
 .\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
 .\" EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
@@ -24,7 +24,7 @@
 .\" WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 .\" OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 .\" EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-.\" 
+.\"
 .\" $FreeBSD$
 .Dd February 15, 2000
 .Dt SEM_GETVALUE 3
diff --git a/lib/libc_r/man/sem_init.3 b/lib/libc_r/man/sem_init.3
index a727fe2053b7..5f43c08e3789 100644
--- a/lib/libc_r/man/sem_init.3
+++ b/lib/libc_r/man/sem_init.3
@@ -1,6 +1,6 @@
 .\" Copyright (C) 2000 Jason Evans <jasone@freebsd.org>.
 .\" All rights reserved.
-.\" 
+.\"
 .\" Redistribution and use in source and binary forms, with or without
 .\" modification, are permitted provided that the following conditions
 .\" are met:
@@ -12,7 +12,7 @@
 .\"    notice(s), this list of conditions and the following disclaimer in
 .\"    the documentation and/or other materials provided with the
 .\"    distribution.
-.\" 
+.\"
 .\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
 .\" EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
@@ -24,7 +24,7 @@
 .\" WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 .\" OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 .\" EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-.\" 
+.\"
 .\" $FreeBSD$
 .Dd February 15, 2000
 .Dt SEM_INIT 3
diff --git a/lib/libc_r/man/sem_open.3 b/lib/libc_r/man/sem_open.3
index 22229b33954d..eec5a5798a0d 100644
--- a/lib/libc_r/man/sem_open.3
+++ b/lib/libc_r/man/sem_open.3
@@ -1,6 +1,6 @@
 .\" Copyright (C) 2000 Jason Evans <jasone@freebsd.org>.
 .\" All rights reserved.
-.\" 
+.\"
 .\" Redistribution and use in source and binary forms, with or without
 .\" modification, are permitted provided that the following conditions
 .\" are met:
@@ -12,7 +12,7 @@
 .\"    notice(s), this list of conditions and the following disclaimer in
 .\"    the documentation and/or other materials provided with the
 .\"    distribution.
-.\" 
+.\"
 .\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
 .\" EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
@@ -24,14 +24,14 @@
 .\" WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 .\" OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 .\" EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-.\" 
+.\"
 .\" $FreeBSD$
 .Dd February 15, 2000
 .Dt SEM_OPEN 3
 .Os
 .Sh NAME
-.Nm sem_open , 
-.Nm sem_close , 
+.Nm sem_open ,
+.Nm sem_close ,
 .Nm sem_unlink
 .Nd named semaphore operations
 .Sh LIBRARY
diff --git a/lib/libc_r/man/sem_post.3 b/lib/libc_r/man/sem_post.3
index 970550dbce82..0c8dea4934ef 100644
--- a/lib/libc_r/man/sem_post.3
+++ b/lib/libc_r/man/sem_post.3
@@ -1,6 +1,6 @@
 .\" Copyright (C) 2000 Jason Evans <jasone@freebsd.org>.
 .\" All rights reserved.
-.\" 
+.\"
 .\" Redistribution and use in source and binary forms, with or without
 .\" modification, are permitted provided that the following conditions
 .\" are met:
@@ -12,7 +12,7 @@
 .\"    notice(s), this list of conditions and the following disclaimer in
 .\"    the documentation and/or other materials provided with the
 .\"    distribution.
-.\" 
+.\"
 .\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
 .\" EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
@@ -24,7 +24,7 @@
 .\" WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 .\" OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 .\" EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-.\" 
+.\"
 .\" $FreeBSD$
 .Dd February 15, 2000
 .Dt SEM_POST 3
diff --git a/lib/libc_r/man/sem_wait.3 b/lib/libc_r/man/sem_wait.3
index beff2e315dec..397cbfe1663f 100644
--- a/lib/libc_r/man/sem_wait.3
+++ b/lib/libc_r/man/sem_wait.3
@@ -1,6 +1,6 @@
 .\" Copyright (C) 2000 Jason Evans <jasone@freebsd.org>.
 .\" All rights reserved.
-.\" 
+.\"
 .\" Redistribution and use in source and binary forms, with or without
 .\" modification, are permitted provided that the following conditions
 .\" are met:
@@ -12,7 +12,7 @@
 .\"    notice(s), this list of conditions and the following disclaimer in
 .\"    the documentation and/or other materials provided with the
 .\"    distribution.
-.\" 
+.\"
 .\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
 .\" EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
@@ -24,13 +24,13 @@
 .\" WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 .\" OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 .\" EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-.\" 
+.\"
 .\" $FreeBSD$
 .Dd February 15, 2000
 .Dt SEM_WAIT 3
 .Os
 .Sh NAME
-.Nm sem_wait , 
+.Nm sem_wait ,
 .Nm sem_trywait
 .Nd decrement (lock) a semaphore
 .Sh LIBRARY
diff --git a/lib/libc_r/man/sigwait.3 b/lib/libc_r/man/sigwait.3
index 818a6230492c..bd46b1ca9614 100644
--- a/lib/libc_r/man/sigwait.3
+++ b/lib/libc_r/man/sigwait.3
@@ -1,6 +1,6 @@
 .\" Copyright (C) 2000 Jason Evans <jasone@freebsd.org>.
 .\" All rights reserved.
-.\" 
+.\"
 .\" Redistribution and use in source and binary forms, with or without
 .\" modification, are permitted provided that the following conditions
 .\" are met:
@@ -12,7 +12,7 @@
 .\"    notice(s), this list of conditions and the following disclaimer in
 .\"    the documentation and/or other materials provided with the
 .\"    distribution.
-.\" 
+.\"
 .\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
 .\" EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
@@ -24,7 +24,7 @@
 .\" WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 .\" OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 .\" EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-.\" 
+.\"
 .\" $FreeBSD$
 .Dd April 27, 2000
 .Dt SIGWAIT 3
diff --git a/lib/libcalendar/calendar.3 b/lib/libcalendar/calendar.3
index d07ff54f5013..9a0a6fefeda6 100644
--- a/lib/libcalendar/calendar.3
+++ b/lib/libcalendar/calendar.3
@@ -92,7 +92,7 @@ is the date in Gregorian Calendar, whereas
 .Fn easteroj
 returns the date in Julian Calendar.
 .Pp
-The functions 
+The functions
 .Fn gdate ,
 .Fn jdate ,
 .Fn ndaysg
@@ -168,7 +168,7 @@ This function is defined for Gregorian Calendar only.
 .Pp
 The function
 .Fn weekday
-returns the weekday (Mo = 0 .. Su = 6) of the day numbered 
+returns the weekday (Mo = 0 .. Su = 6) of the day numbered
 .Fa nd .
 .Pp
 The structure
@@ -188,7 +188,7 @@ and in this library.
 .Xr ncal 1 ,
 .Xr strftime 3
 .Sh STANDARDS
-The week number conforms to ISO 8601: 1988. 
+The week number conforms to ISO 8601: 1988.
 .Sh HISTORY
 The
 .Nm calendar
diff --git a/lib/libcam/cam.3 b/lib/libcam/cam.3
index c774a6601b38..04508674aa9d 100644
--- a/lib/libcam/cam.3
+++ b/lib/libcam/cam.3
@@ -147,15 +147,15 @@ struct cam_device {
 						     * Unit number given by
 						     * the user.
 						     */
-	char		device_name[DEV_IDLEN+1];/* 
-						  * Name of the device, 
-						  * e.g. 'pass' 
+	char		device_name[DEV_IDLEN+1];/*
+						  * Name of the device,
+						  * e.g. 'pass'
 						  */
 	u_int32_t	dev_unit_num;	/* Unit number of the passthrough
 					 * device associated with this
 					 * particular device.
 					 */
-	
+
 	char		sim_name[SIM_IDLEN+1];/*
 					       * Controller name, e.g.'ahc'
 					       */
@@ -365,7 +365,7 @@ returns an allocated and partially initialized CCB, or NULL if allocation
 of the CCB failed.
 .Pp
 .Fn cam_send_ccb
-returns a value of -1 if an error occured, and 
+returns a value of -1 if an error occured, and
 .Va errno
 is set to indicate the error.
 .Pp
@@ -395,7 +395,7 @@ characters long.
 .Xr pass 4 ,
 .Xr camcontrol 8
 .Sh HISTORY
-The CAM library first appeared in 
+The CAM library first appeared in
 .Fx 3.0 .
 .Sh AUTHORS
 .An Kenneth Merry Aq ken@FreeBSD.org
diff --git a/lib/libcam/cam_cdbparse.3 b/lib/libcam/cam_cdbparse.3
index 9f7a80c5ac8f..39ca4785eb86 100644
--- a/lib/libcam/cam_cdbparse.3
+++ b/lib/libcam/cam_cdbparse.3
@@ -170,7 +170,7 @@ layer.
 These functions may be used in new applications, but users may find it
 easier to use the various SCSI CCB building functions included with the
 .Xr cam 3
-library.  (e.g. 
+library.  (e.g.
 .Fn cam_fill_csio ,
 .Fn scsi_start_stop ,
 and
@@ -244,7 +244,7 @@ typedef enum {
      CAM_MSGB_VALID        = 0x20000000,/* Message buffer valid		*/
      CAM_STATUS_VALID      = 0x40000000,/* Status buffer valid		*/
      CAM_DATAB_VALID       = 0x80000000,/* Data buffer valid		*/
-	
+
 /* Host target Mode flags */
      CAM_TERM_IO           = 0x20000000,/* Terminate I/O Message sup.    */
      CAM_DISCONNECT        = 0x40000000,/* Disconnects are mandatory     */
@@ -289,7 +289,7 @@ driver is told to enable error recovery via the
 .Dv CAM_PASS_ERR_RECOVER
 flag.
 .Pp
-The 
+The
 .Fa timeout
 tells the kernel how long to wait for the given command to complete.  If
 the timeout expires and the command hasn't completed, the CCB will be
@@ -368,7 +368,7 @@ except that the values to substitute for variable arguments in
 are retrieved via the
 .Fn arg_get
 function passed in to
-.Fn csio_build_visit 
+.Fn csio_build_visit
 instead of via
 .Xr stdarg 3 .
 The
diff --git a/lib/libcompat/4.1/cftime.3 b/lib/libcompat/4.1/cftime.3
index ed771e204276..fd4e0668e866 100644
--- a/lib/libcompat/4.1/cftime.3
+++ b/lib/libcompat/4.1/cftime.3
@@ -1,10 +1,10 @@
-.\" 
+.\"
 .\" Copyright (c) 1994, 1995 Joerg Wunsch
-.\" 
+.\"
 .\" All rights reserved.
-.\" 
+.\"
 .\" This program is free software.
-.\" 
+.\"
 .\" Redistribution and use in source and binary forms, with or without
 .\" modification, are permitted provided that the following conditions
 .\" are met:
@@ -19,7 +19,7 @@
 .\" 4. The name of the developer may not be used to endorse or promote
 .\"    products derived from this software without specific prior written
 .\"    permission.
-.\" 
+.\"
 .\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR
 .\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 .\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
@@ -30,8 +30,8 @@
 .\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-.\" 
-.\" 
+.\"
+.\"
 .\" $FreeBSD$
 .\"
 .Dd June 15, 1993
diff --git a/lib/libcompat/4.1/ftime.3 b/lib/libcompat/4.1/ftime.3
index 3e573df3199a..eb834c1e20d8 100644
--- a/lib/libcompat/4.1/ftime.3
+++ b/lib/libcompat/4.1/ftime.3
@@ -43,7 +43,7 @@
 .Sh SYNOPSIS
 .Fd #include <sys/types.h>
 .Fd #include <sys/timeb.h>
-.Ft int 
+.Ft int
 .Fn ftime "struct timeb *tp"
 .Sh DESCRIPTION
 .Bf -symbolic
@@ -81,5 +81,5 @@ Daylight Saving time applies locally during the appropriate part of the year.
 .Sh HISTORY
 The
 .Nm
-function appeared in 
+function appeared in
 .Bx 4.2 .
diff --git a/lib/libcompat/4.1/getpw.3 b/lib/libcompat/4.1/getpw.3
index d270e3c7689b..618da44a928c 100644
--- a/lib/libcompat/4.1/getpw.3
+++ b/lib/libcompat/4.1/getpw.3
@@ -65,7 +65,7 @@ character.
 .Sh RETURN VALUES
 The
 .Fn getpw
-function returns the zero if successful, otherwise 
+function returns the zero if successful, otherwise
 a non-zero if the entry does not exist.
 .Sh FILES
 .Bl -tag -width /etc/passwd -compact
diff --git a/lib/libcompat/4.1/stty.3 b/lib/libcompat/4.1/stty.3
index 6c6bb882a864..9193bcfeef0d 100644
--- a/lib/libcompat/4.1/stty.3
+++ b/lib/libcompat/4.1/stty.3
@@ -75,7 +75,7 @@ the
 .Fn gtty
 call is
 .Ql ioctl(fd, TIOCGETP, buf) .
-See 
+See
 .Xr ioctl 2
 and
 .Xr tty 4
@@ -93,5 +93,5 @@ The
 .Fn stty
 and
 .Fn gtty
-functions appeared in 
+functions appeared in
 .Bx 4.2 .
diff --git a/lib/libcompat/4.3/insque.3 b/lib/libcompat/4.3/insque.3
index e2adae1984a1..6c02bb7cac1a 100644
--- a/lib/libcompat/4.3/insque.3
+++ b/lib/libcompat/4.3/insque.3
@@ -61,7 +61,7 @@ The insque and remque functions are considered obsolete.
 .Pp
 The
 .Fn insque
-and 
+and
 .Fn remque
 functions
 manipulate queues built from doubly linked lists.  Each
@@ -69,9 +69,9 @@ element in the queue must be in the form of
 .Dq Li struct qelem .
 The function
 .Fn insque
-inserts 
+inserts
 .Fa elem
-in a queue immediately after 
+in a queue immediately after
 .Fa pred ;
 .Fn remque
 removes an entry
@@ -85,5 +85,5 @@ The
 .Fn insque
 and
 .Fn remque
-functions appeared in 
+functions appeared in
 .Bx 4.2 .
diff --git a/lib/libcompat/4.3/lsearch.3 b/lib/libcompat/4.3/lsearch.3
index 3e0ba949b374..40b2c3e834cc 100644
--- a/lib/libcompat/4.3/lsearch.3
+++ b/lib/libcompat/4.3/lsearch.3
@@ -73,7 +73,7 @@ is a comparison routine which is used to compare two elements.
 It takes two arguments which point to the
 .Fa key
 object and to an array member, in that order, and must return an integer
-less than, equivalent to, or greater than zero if the 
+less than, equivalent to, or greater than zero if the
 .Fa key
 object is considered, respectively, to be less than, equal to, or greater
 than the array member.
diff --git a/lib/libcompat/4.3/re_comp.3 b/lib/libcompat/4.3/re_comp.3
index 10cd0a894bd5..c4830b06fb12 100644
--- a/lib/libcompat/4.3/re_comp.3
+++ b/lib/libcompat/4.3/re_comp.3
@@ -56,7 +56,7 @@ This interface is made obsolete by
 The
 .Fn re_comp
 function
-compiles a string into an internal form suitable for pattern matching. 
+compiles a string into an internal form suitable for pattern matching.
 The
 .Fn re_exec
 function
@@ -70,7 +70,7 @@ returns 0 if the string
 .Fa s
 was compiled successfully; otherwise a string containing an
 error message is returned.
-If 
+If
 .Fn re_comp
 is passed 0 or a null string, it returns without changing the currently
 compiled regular expression.
@@ -89,10 +89,10 @@ The strings passed to both
 .Fn re_comp
 and
 .Fn re_exec
-may have trailing or embedded newline characters; 
+may have trailing or embedded newline characters;
 they are terminated by
 .Dv NUL Ns s .
-The regular expressions recognized are described in the manual entry for 
+The regular expressions recognized are described in the manual entry for
 .Xr ed 1 ,
 given the above difference.
 .Sh DIAGNOSTICS
@@ -125,5 +125,5 @@ The
 .Fn re_comp
 and
 .Fn re_exec
-functions appeared in 
+functions appeared in
 .Bx 4.0 .
diff --git a/lib/libcompat/4.3/rexec.3 b/lib/libcompat/4.3/rexec.3
index baa460102cd2..eb80689cd9c9 100644
--- a/lib/libcompat/4.3/rexec.3
+++ b/lib/libcompat/4.3/rexec.3
@@ -45,7 +45,7 @@
 .Fn rexec "char **ahost" "int inport" "char *user" "char *passwd" "char *cmd" "int *fd2p"
 .Sh DESCRIPTION
 .Bf -symbolic
-This interface is obsoleted by 
+This interface is obsoleted by
 .Xr rcmd 3 .
 .Ef
 .Pp
@@ -75,7 +75,7 @@ specifies which well-known
 Internet port to use for
 the connection; the call
 .Fn getservbyname \*qexec\*q \*qtcp\*q
-(see 
+(see
 .Xr getservent 3 )
 will return a pointer to a structure, which contains the
 necessary port.
@@ -107,10 +107,10 @@ as the secondary connection is set up after authorization has been
 verified.
 If
 .Fa fd2p
-is 0, then the 
+is 0, then the
 .Em stderr
 (unit 2 of the remote
-command) will be made the same as the 
+command) will be made the same as the
 .Em stdout
 and no
 provision is made for sending arbitrary signals to the remote process,
@@ -121,7 +121,7 @@ although you may be able to get its attention by using out-of-band data.
 .Sh HISTORY
 The
 .Fn rexec
-function appeared in 
+function appeared in
 .Bx 4.2 .
 .Sh BUGS
 The
diff --git a/lib/libcompat/4.4/cuserid.3 b/lib/libcompat/4.4/cuserid.3
index 5ee320785c72..5ac7e3465b46 100644
--- a/lib/libcompat/4.4/cuserid.3
+++ b/lib/libcompat/4.4/cuserid.3
@@ -1,8 +1,8 @@
-.\" 
+.\"
 .\" Copyright (c) 1995 Joerg Wunsch
-.\" 
+.\"
 .\" All rights reserved.
-.\" 
+.\"
 .\" Redistribution and use in source and binary forms, with or without
 .\" modification, are permitted provided that the following conditions
 .\" are met:
@@ -17,7 +17,7 @@
 .\" 4. The name of the developer may not be used to endorse or promote
 .\"    products derived from this software without specific prior written
 .\"    permission.
-.\" 
+.\"
 .\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR
 .\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 .\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
@@ -28,7 +28,7 @@
 .\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-.\" 
+.\"
 .\" $FreeBSD$
 .\"
 .Dd April 10, 1995
diff --git a/lib/libcrypt/crypt.3 b/lib/libcrypt/crypt.3
index d1e99ffc2d0d..fa9b34f9bac0 100644
--- a/lib/libcrypt/crypt.3
+++ b/lib/libcrypt/crypt.3
@@ -161,7 +161,7 @@ string, 20 or 13 bytes (plus null) in length, consisting of the
 followed by the encoded 64-bit encryption.
 .Ss "Modular" crypt:
 .Pp
-If the salt begins with the string 
+If the salt begins with the string
 .Fa $digit$
 then the Modular Crypt Format is used.  The
 .Fa digit
diff --git a/lib/libdevstat/devstat.3 b/lib/libdevstat/devstat.3
index 67e06e825371..ff030a47a574 100644
--- a/lib/libdevstat/devstat.3
+++ b/lib/libdevstat/devstat.3
@@ -125,7 +125,7 @@ version.
 .Fn checkversion
 checks the userland devstat version against the kernel devstat version.  If
 the two are identical, it returns zero.  Otherwise, it prints an
-appropriate error in 
+appropriate error in
 .Va devstat_errbuf
 and returns -1.
 .Pp
@@ -134,12 +134,12 @@ fetches the current list of devices and statistics into the supplied
 .Va statinfo
 structure.  The
 .Va statinfo
-structure can be found in 
+structure can be found in
 .Aq Pa devstat.h :
 .Bd -literal -offset indent
 struct statinfo {
 	long            cp_time[CPUSTATES];
-	long            tk_nin;  
+	long            tk_nin;
 	long            tk_nout;
 	struct devinfo  *dinfo;
 	struct timeval  busy_time;
@@ -205,10 +205,10 @@ variable.  The generation subelement of the
 structure contains the generation number from the
 .Va kern.devstat.all
 .Nm sysctl
-variable.  
+variable.
 The
 .Va numdevs
-subelement of the 
+subelement of the
 .Va devinfo
 structure contains the current
 number of devices registered with the kernel
@@ -228,11 +228,11 @@ from user input.
 .It performance
 If performance mode is enabled, devices will be sorted based on the
 .Va bytes
-field in the 
+field in the
 .Va device_selection
 structure passed in to
 .Fn selectdevs .
-The 
+The
 .Va bytes
 value currently must be maintained by the user.  In the future,
 this may be done for him in a
@@ -245,11 +245,11 @@ performance tracking code will honor those selections and will only sort
 among the selected devices.
 .It order in the devstat list
 If the selection mode is set to DS_SELECT_ADD, and if there are still less
-than 
+than
 .Va maxshowdevs
 devices selected,
 .Fn selectdevs
-will automatically select up to 
+will automatically select up to
 .Va maxshowdevs
 devices.
 .El
@@ -262,7 +262,7 @@ In add mode,
 .Fn selectdevs
 will select any unselected devices specified by name or matching pattern.
 It will also select more devices, in devstat list order, until the number
-of selected devices is equal to 
+of selected devices is equal to
 .Va maxshowdevs
 or until all devices are
 selected.
@@ -286,7 +286,7 @@ any devices other than those specified.
 .Pp
 In all selection modes,
 .Fn selectdevs
-will not select any more than 
+will not select any more than
 .Va maxshowdevs
 devices.  One exception to
 this is when you are in
@@ -300,26 +300,26 @@ device.  This may be the wrong behavior, and probably requires additional
 thought.
 .Pp
 .Fn selectdevs
-handles allocation and resizing of the 
+handles allocation and resizing of the
 .Va dev_select
 structure passed in
 by the client.
 .Fn selectdevs
-uses the 
+uses the
 .Va numdevs
-and 
+and
 .Va current_generation
 fields to track the
 current
 .Nm
-generation and number of devices.  If 
+generation and number of devices.  If
 .Va num_selections
 is not the same
-as 
+as
 .Va numdevs
-or if 
+or if
 .Va select_generation
-is not the same as 
+is not the same as
 .Va current_generation ,
 .Fn selectdevs
 will resize the selection list as necessary, and re-initialize the
@@ -342,7 +342,7 @@ Currently known match types include:
 .Bl -tag -width indent -compact
 .It device type:
 .Bl -tag -width 9n -compact
-.It da 
+.It da
 Direct Access devices
 .It sa
 Sequential Access devices
@@ -437,7 +437,7 @@ is NULL, the result will be the total number of transactions listed in
 .It total_blocks
 This is basically
 .Va total_bytes
-divided by the device blocksize.  If the device blocksize is listed as 
+divided by the device blocksize.  If the device blocksize is listed as
 .Sq 0 ,
 the device blocksize will default to 512 bytes.
 .It kb_per_transfer
@@ -461,7 +461,7 @@ provides an easy way to find the difference in seconds between two
 structures.  This is most commonly used in conjunction with the time
 recorded by the
 .Fn getdevs
-function (in struct 
+function (in struct
 .Va statinfo )
 each time it fetches the current
 .Nm
diff --git a/lib/libdisk/libdisk.3 b/lib/libdisk/libdisk.3
index 7f1380f1010e..00be4ceb40ab 100644
--- a/lib/libdisk/libdisk.3
+++ b/lib/libdisk/libdisk.3
@@ -192,7 +192,7 @@ is a rootfs, allocate partition
 .It CHUNK_ACTIVE
 This is the active slice in the MBR.
 .It CHUNK_FORCE_ALL
-Force a dedicated disk for 
+Force a dedicated disk for
 .Fx ,
 bypassing all BIOS geometry considerations.
 .El
@@ -320,7 +320,7 @@ Chunk name strings can be accessed directly using the external array
 .Va chunk_n .
 .Pp
 .Fn slice_type_name
-returns the name strings associated with the specified 
+returns the name strings associated with the specified
 .Ql type .
 .Ql subtype .
 If
diff --git a/lib/libedit/editline.3 b/lib/libedit/editline.3
index e9688183776b..b387023edad2 100644
--- a/lib/libedit/editline.3
+++ b/lib/libedit/editline.3
@@ -204,7 +204,7 @@ may be modified by
 .Fn el_parse .
 The colon between
 .Dq prog
-and the command, 
+and the command,
 .Ar command ,
 will be replaced with a NUL
 .Po
@@ -267,7 +267,7 @@ Otherwise, the current signal handlers will be used.
 Perform the
 .Ic bind
 builtin command.
-Refer to 
+Refer to
 .Xr editrc 5
 for more information.
 .It Dv EL_ECHOTC , Xo
@@ -278,7 +278,7 @@ for more information.
 Perform the
 .Ic echotc
 builtin command.
-Refer to 
+Refer to
 .Xr editrc 5
 for more information.
 .It Dv EL_SETTC , Xo
@@ -289,7 +289,7 @@ for more information.
 Perform the
 .Ic settc
 builtin command.
-Refer to 
+Refer to
 .Xr editrc 5
 for more information.
 .It Dv EL_SETTY , Xo
@@ -300,7 +300,7 @@ for more information.
 Perform the
 .Ic setty
 builtin command.
-Refer to 
+Refer to
 .Xr editrc 5
 for more information.
 .It Dv EL_TELLTC , Xo
@@ -311,7 +311,7 @@ for more information.
 Perform the
 .Ic telltc
 builtin command.
-Refer to 
+Refer to
 .Xr editrc 5
 for more information.
 .It Dv EL_ADDFN , Xo
@@ -371,7 +371,7 @@ should be the value returned by
 .It Fn el_source
 Initialise
 .Nm
-by reading the contents of 
+by reading the contents of
 .Fa file .
 .Fn el_parse
 is called for each line in
@@ -495,7 +495,7 @@ if there isn't one.
 .It Dv H_ENTER , Fa "const char *str"
 Add
 .Fa str
-as a new element to the history, and, if necessary, 
+as a new element to the history, and, if necessary,
 removing the oldest entry to keep the list to the created size.
 .It Dv H_PREV_STR , Fa "const char *str"
 Return the closest previous event that starts with
diff --git a/lib/libedit/editrc.5 b/lib/libedit/editrc.5
index 25c0a6f5d215..ee8e3787e75f 100644
--- a/lib/libedit/editrc.5
+++ b/lib/libedit/editrc.5
@@ -63,7 +63,7 @@ Refer to
 .Sx BUILTIN COMMANDS
 for more information.
 .Pp
-.Ar prog 
+.Ar prog
 is the program name string that a program defines when it calls
 .Xr el_init 3
 to setup
@@ -119,11 +119,11 @@ Options include:
 .It Fl e
 Bind all keys to the standard GNU Emacs-like bindings.
 .It Fl v
-Bind all keys to the standard 
+Bind all keys to the standard
 .Xr vi 1 Ns -like
 bindings.
 .It Fl a
-List or change key bindings in the 
+List or change key bindings in the
 .Xr vi 1
 mode alternate (command mode) key map.
 .It Fl k
diff --git a/lib/libfetch/fetch.3 b/lib/libfetch/fetch.3
index afc64bc1f198..b663232bd418 100644
--- a/lib/libfetch/fetch.3
+++ b/lib/libfetch/fetch.3
@@ -191,7 +191,7 @@ structure pointed to by the
 .Fa us
 argument.
 .Pp
-The 
+The
 .Fa flags
 argument is a string of characters which specify transfer options.
 The
@@ -368,7 +368,7 @@ unable to allocate memory, or the URL is syntactically incorrect,
 .Fn fetchParseURL
 returns a NULL pointer.
 .Pp
-The 
+The
 .Fn fetchStat
 functions return 0 on success and -1 on failure.
 .Pp
@@ -379,39 +379,39 @@ The following error codes are defined in
 .Aq Pa fetch.h :
 .Bl -tag -width 18n
 .It Bq Er FETCH_ABORT
-Operation aborted    
+Operation aborted
 .It Bq Er FETCH_AUTH
-Authentication failed    
+Authentication failed
 .It Bq Er FETCH_DOWN
-Service unavailable    
+Service unavailable
 .It Bq Er FETCH_EXISTS
-File exists    
+File exists
 .It Bq Er FETCH_FULL
-File system full   
+File system full
 .It Bq Er FETCH_INFO
-Informational response    
+Informational response
 .It Bq Er FETCH_MEMORY
-Insufficient memory    
+Insufficient memory
 .It Bq Er FETCH_MOVED
-File has moved   
+File has moved
 .It Bq Er FETCH_NETWORK
-Network error    
+Network error
 .It Bq Er FETCH_OK
-No error    
+No error
 .It Bq Er FETCH_PROTO
-Protocol error    
+Protocol error
 .It Bq Er FETCH_RESOLV
-Resolver error    
+Resolver error
 .It Bq Er FETCH_SERVER
-Server error    
+Server error
 .It Bq Er FETCH_TEMP
-Temporary error    
+Temporary error
 .It Bq Er FETCH_TIMEOUT
-Operation timed out   
+Operation timed out
 .It Bq Er FETCH_UNAVAIL
-File is not available  
+File is not available
 .It Bq Er FETCH_UNKNOWN
-Unknown error    
+Unknown error
 .It Bq Er FETCH_URL
 Invalid URL
 .El
diff --git a/lib/libftpio/ftpio.3 b/lib/libftpio/ftpio.3
index a1d0195c8c60..7c897b1cec6f 100644
--- a/lib/libftpio/ftpio.3
+++ b/lib/libftpio/ftpio.3
@@ -208,7 +208,7 @@ except that they are able to specify address family
 .Bl -tag -width FTP_PASSIVE_MODE -offset 3n
 .It Ev FTP_TIMEOUT
 Maximum time, in seconds, to wait for a response
-from the peer before aborting an 
+from the peer before aborting an
 .Tn FTP
 connection.
 .It Ev FTP_PASSIVE_MODE
diff --git a/lib/libipsec/ipsec_set_policy.3 b/lib/libipsec/ipsec_set_policy.3
index b611bc9fe4be..e676b95f9517 100644
--- a/lib/libipsec/ipsec_set_policy.3
+++ b/lib/libipsec/ipsec_set_policy.3
@@ -176,7 +176,7 @@ Both
 .Ar src
 and
 .Ar dst
-can be omited. 
+can be omited.
 .Pp
 .Ar level
 must be set to one of the following:
diff --git a/lib/libipx/ipx.3 b/lib/libipx/ipx.3
index 89f08789cd13..ca0f5228b891 100644
--- a/lib/libipx/ipx.3
+++ b/lib/libipx/ipx.3
@@ -43,7 +43,7 @@
 .Sh SYNOPSIS
 .Fd #include <sys/types.h>
 .Fd #include <netipx/ipx.h>
-.Ft struct ipx_addr 
+.Ft struct ipx_addr
 .Fn ipx_addr "const char *cp"
 .Ft char *
 .Fn ipx_ntoa "struct ipx_addr ipx"
@@ -67,7 +67,7 @@ notation in common use:
 .Ed
 .Pp
 Trailing zero fields are suppressed, and each number is printed in hexadecimal,
-in a format suitable for input to 
+in a format suitable for input to
 .Fn ipx_addr .
 Any fields lacking super-decimal digits will have a
 trailing
@@ -116,7 +116,7 @@ The precursor
 .Fn ns_addr
 and
 .Fn ns_toa
-functions appeared in 
+functions appeared in
 .Bx 4.3 .
 .Sh BUGS
 The string returned by
diff --git a/lib/libkvm/kvm_geterr.3 b/lib/libkvm/kvm_geterr.3
index ee9506ada267..815828d49ab5 100644
--- a/lib/libkvm/kvm_geterr.3
+++ b/lib/libkvm/kvm_geterr.3
@@ -55,7 +55,7 @@ on the descriptor
 The results are undefined if the most recent
 .Xr kvm 3
 library call did not produce an error.
-The string returned is stored in memory owned by 
+The string returned is stored in memory owned by
 .Xr kvm 3
 so the message should be copied out and saved elsewhere if necessary.
 .Sh BUGS
@@ -65,7 +65,7 @@ call, since failure is indicated by returning a
 .Dv NULL
 descriptor.
 Therefore, errors on open are output to the special error buffer
-passed to 
+passed to
 .Fn kvm_openfiles .
 This option is not available to
 .Fn kvm_open .
diff --git a/lib/libkvm/kvm_getprocs.3 b/lib/libkvm/kvm_getprocs.3
index 89b774b8bbc5..e5e451d326fb 100644
--- a/lib/libkvm/kvm_getprocs.3
+++ b/lib/libkvm/kvm_getprocs.3
@@ -42,7 +42,7 @@
 .Sh NAME
 .Nm kvm_getprocs ,
 .Nm kvm_getargv ,
-.Nm kvm_getenvv 
+.Nm kvm_getenvv
 .Nd access user process state
 .Sh LIBRARY
 .Lb libkvm
@@ -74,7 +74,7 @@ describes the filtering predicate as follows:
 .It Sy KERN_PROC_ALL
 all processes
 .It Sy KERN_PROC_PID
-processes with process id 
+processes with process id
 .Fa arg
 .It Sy KERN_PROC_PGRP
 processes with process group
@@ -97,13 +97,13 @@ The number of processes found is returned in the reference parameter
 .Fa cnt .
 The processes are returned as a contiguous array of kinfo_proc structures.
 This memory is locally allocated, and subsequent calls to
-.Fn kvm_getprocs 
-and 
+.Fn kvm_getprocs
+and
 .Fn kvm_close
 will overwrite this storage.
 .Pp
 .Fn kvm_getargv
-returns a null-terminated argument vector that corresponds to the 
+returns a null-terminated argument vector that corresponds to the
 command line arguments passed to process indicated by
 .Fa p .
 Most likely, these arguments correspond to the values passed to
@@ -114,7 +114,7 @@ Note that the original command name can be found, unaltered,
 in the p_comm field of the process structure returned by
 .Fn kvm_getprocs .
 .Pp
-The 
+The
 .Fa nchr
 argument indicates the maximum number of characters, including null bytes,
 to use in building the strings.  If this amount is exceeded, the string
@@ -127,13 +127,13 @@ that print only a one line summary of a command and should not copy
 out large amounts of text only to ignore it.
 If
 .Fa nchr
-is zero, no limit is imposed and all argument strings are returned in 
+is zero, no limit is imposed and all argument strings are returned in
 their entirety.
 .Pp
 The memory allocated to the argv pointers and string storage
-is owned by the kvm library.  Subsequent 
-.Fn kvm_getprocs 
-and 
+is owned by the kvm library.  Subsequent
+.Fn kvm_getprocs
+and
 .Xr kvm_close 3
 calls will clobber this storage.
 .Pp
diff --git a/lib/libkvm/kvm_getswapinfo.3 b/lib/libkvm/kvm_getswapinfo.3
index 0356d90e4836..a3c44c80bad4 100644
--- a/lib/libkvm/kvm_getswapinfo.3
+++ b/lib/libkvm/kvm_getswapinfo.3
@@ -41,7 +41,7 @@ value 0 and the single
 .Vt kvm_swap
 structure will be filled with
 the grand total over all swap devices.  The grand total is calculated
-from all available swap devices whether or not you made room 
+from all available swap devices whether or not you made room
 for them all in the array.
 the grant total is returned.
 .Pp
@@ -77,7 +77,7 @@ it reuses in successive calls.
 You may call the function with
 .Fa kd
 ==
-.Dv NULL 
+.Dv NULL
 to clear the cache.
 .Sh DIAGNOSTICS
 If the load average was unobtainable, \-1 is returned; otherwise,
diff --git a/lib/libkvm/kvm_open.3 b/lib/libkvm/kvm_open.3
index b624b3c80ca8..c22c49cd8872 100644
--- a/lib/libkvm/kvm_open.3
+++ b/lib/libkvm/kvm_open.3
@@ -58,10 +58,10 @@
 .Sh DESCRIPTION
 The functions
 .Fn kvm_open
-and 
+and
 .Fn kvm_openfiles
 return a descriptor used to access kernel virtual memory
-via the 
+via the
 .Xr kvm 3
 library routines.  Both active kernels and crash dumps are accessible
 through this interface.
@@ -75,9 +75,9 @@ the currently running system is assumed,
 as determined from
 .Xr getbootfile 3 .
 .Pp
-.Fa corefile 
+.Fa corefile
 is the kernel memory device file.  It can be either /dev/mem
-or a crash dump core generated by 
+or a crash dump core generated by
 .Xr savecore 8 .
 If
 .Fa corefile
@@ -94,7 +94,7 @@ should indicate the swap device.  If
 from <paths.h> is used.
 .Pp
 The
-.Fa flags 
+.Fa flags
 argument indicates read/write access as in
 .Xr open 2
 and applies only to the core file.
@@ -105,7 +105,7 @@ and
 .Dv O_RDWR
 are permitted.
 .Pp
-There are two open routines which differ only with respect to 
+There are two open routines which differ only with respect to
 the error mechanism.
 One provides backward compatibility with the SunOS kvm library, while the
 other provides an improved error reporting framework.
@@ -116,11 +116,11 @@ function is the Sun kvm compatible open call.  Here, the
 .Fa errstr
 argument indicates how errors should be handled.  If it is
 .Dv NULL ,
-no errors are reported and the application cannot know the 
+no errors are reported and the application cannot know the
 specific nature of the failed kvm call.
 If it is not
 .Dv NULL ,
-errors are printed to stderr with 
+errors are printed to stderr with
 .Fa errstr
 prepended to the message, as in
 .Xr perror 3 .
@@ -156,7 +156,7 @@ argument.  This buffer should be _POSIX2_LINE_MAX characters large (from
 .Sh RETURN VALUES
 The
 .Fn kvm_open
-and 
+and
 .Fn kvm_openfiles
 functions both return a descriptor to be used
 in all subsequent kvm library calls.
@@ -165,7 +165,7 @@ On failure,
 .Dv NULL
 is returned, in which case
 .Fn kvm_openfiles
-writes the error message into 
+writes the error message into
 .Fa errbuf .
 .Pp
 The
diff --git a/lib/libkvm/kvm_read.3 b/lib/libkvm/kvm_read.3
index 183df72d252c..cfde604a80ba 100644
--- a/lib/libkvm/kvm_read.3
+++ b/lib/libkvm/kvm_read.3
@@ -66,19 +66,19 @@ for information regarding opening kernel virtual memory and crash dumps.
 The
 .Fn kvm_read
 function transfers
-.Fa nbytes 
+.Fa nbytes
 bytes of data from
 the kernel space address
 .Fa addr
 to
 .Fa buf .
-Conversely, 
+Conversely,
 .Fn kvm_write
 transfers data from
 .Fa buf
 to
 .Fa addr .
-Unlike their SunOS counterparts, these functions cannot be used to 
+Unlike their SunOS counterparts, these functions cannot be used to
 read or write process address spaces.
 .Sh RETURN VALUES
 Upon success, the number of bytes actually transferred is returned.
diff --git a/lib/libm/common_source/acos.3 b/lib/libm/common_source/acos.3
index ceff4c7dd641..b19dde4e10a7 100644
--- a/lib/libm/common_source/acos.3
+++ b/lib/libm/common_source/acos.3
@@ -53,7 +53,7 @@ A domain error occurs for arguments not in the range [-1, +1].
 For a discussion of error due to roundoff, see
 .Xr math 3 .
 .Sh RETURN VALUES
-The 
+The
 .Fn acos
 function returns the arc cosine in the range
 .Bq 0 , \*(Pi
diff --git a/lib/libm/common_source/acosh.3 b/lib/libm/common_source/acosh.3
index 49dd7b2bcf4e..37a0e1a0fa78 100644
--- a/lib/libm/common_source/acosh.3
+++ b/lib/libm/common_source/acosh.3
@@ -80,5 +80,5 @@ causes a reserved operand fault.
 .Sh HISTORY
 The
 .Fn acosh
-function appeared in 
+function appeared in
 .Bx 4.3 .
diff --git a/lib/libm/common_source/asinh.3 b/lib/libm/common_source/asinh.3
index fbf8f163f218..b44b640ac24f 100644
--- a/lib/libm/common_source/asinh.3
+++ b/lib/libm/common_source/asinh.3
@@ -68,5 +68,5 @@ returns the inverse hyperbolic sine of
 .Sh HISTORY
 The
 .Fn asinh
-function appeared in 
+function appeared in
 .Bx 4.3 .
diff --git a/lib/libm/common_source/atan2.3 b/lib/libm/common_source/atan2.3
index 4ad7ad542586..dba32d4dee71 100644
--- a/lib/libm/common_source/atan2.3
+++ b/lib/libm/common_source/atan2.3
@@ -55,7 +55,7 @@ the return value.
 The
 .Xr atan2
 function, if successful,
-returns the arc tangent of 
+returns the arc tangent of
 .Ar y/ Ns Ar x
 in the range
 .Bk -words
diff --git a/lib/libm/common_source/cos.3 b/lib/libm/common_source/cos.3
index b0a7c463ff00..6695270bc5cd 100644
--- a/lib/libm/common_source/cos.3
+++ b/lib/libm/common_source/cos.3
@@ -50,7 +50,7 @@ The
 function computes the cosine of
 .Fa x
 (measured in radians).
-A large magnitude argument may yield a result with little or no 
+A large magnitude argument may yield a result with little or no
 significance.
 For a discussion of error due to roundoff, see
 .Xr math 3 .
diff --git a/lib/libm/common_source/cosh.3 b/lib/libm/common_source/cosh.3
index 091dcc1ba02d..47cb32099271 100644
--- a/lib/libm/common_source/cosh.3
+++ b/lib/libm/common_source/cosh.3
@@ -58,7 +58,7 @@ of
 is too large; in this event, the global variable
 .Va errno
 is set to
-.Er ERANGE . 
+.Er ERANGE .
 .Sh SEE ALSO
 .Xr acos 3 ,
 .Xr asin 3 ,
diff --git a/lib/libm/common_source/erf.3 b/lib/libm/common_source/erf.3
index 4c7391c5847c..2b4b90295f12 100644
--- a/lib/libm/common_source/erf.3
+++ b/lib/libm/common_source/erf.3
@@ -58,7 +58,7 @@ calculates the error function of x; where
 .if n \{\
 erf(x) = 2/sqrt(pi)\(**\|integral from 0 to x of exp(\-t\(**t) dt. \}
 .if t \{\
-erf\|(x) := 
+erf\|(x) :=
 (2/\(sr\(*p)\|\(is\d\s8\z0\s10\u\u\s8x\s10\d\|exp(\-t\u\s82\s10\d)\|dt. \}
 .Ed
 .Pp
diff --git a/lib/libm/common_source/exp.3 b/lib/libm/common_source/exp.3
index 10de794495fd..ab37be32154a 100644
--- a/lib/libm/common_source/exp.3
+++ b/lib/libm/common_source/exp.3
@@ -96,7 +96,7 @@ of
 to the exponent
 .Ar y .
 .Sh ERROR (due to Roundoff etc.)
-exp(x), log(x), expm1(x) and log1p(x) are accurate to within 
+exp(x), log(x), expm1(x) and log1p(x) are accurate to within
 an
 .Em up ,
 and log10(x) to within about 2
@@ -231,10 +231,10 @@ infinite or \*(Na) before computing x**0 cannot care
 whether 0**0 = 1 or not.
 Any program that depends
 upon 0**0 to be invalid is dubious anyway since that
-expression's meaning and, if invalid, its consequences 
+expression's meaning and, if invalid, its consequences
 vary from one computer system to another.
 .It
-Some Algebra texts (e.g. Sigler's) define x**0 = 1 for 
+Some Algebra texts (e.g. Sigler's) define x**0 = 1 for
 all x, including x = 0.
 This is compatible with the convention that accepts a[0]
 as the value of polynomial
@@ -252,7 +252,7 @@ The reason for setting 0**0 = 1 anyway is this:
 If x(z) and y(z) are
 .Em any
 functions analytic (expandable
-in power series) in z around z = 0, and if there 
+in power series) in z around z = 0, and if there
 x(0) = y(0) = 0, then x(z)**y(z) \(-> 1 as z \(-> 0.
 .Ed
 .It
diff --git a/lib/libm/common_source/ieee.3 b/lib/libm/common_source/ieee.3
index aaed641f7df4..d70233d0ff30 100644
--- a/lib/libm/common_source/ieee.3
+++ b/lib/libm/common_source/ieee.3
@@ -46,15 +46,15 @@
 .Lb libm
 .Sh SYNOPSIS
 .Fd #include <math.h>
-.Ft double 
+.Ft double
 .Fn copysign "double x" "double y"
-.Ft double 
+.Ft double
 .Fn drem "double x" "double y"
-.Ft int 
+.Ft int
 .Fn finite "double x"
-.Ft double 
+.Ft double
 .Fn logb "double x"
-.Ft double 
+.Ft double
 .Fn scalb "double x" "int n"
 .Sh DESCRIPTION
 These functions are required for, or recommended by the
@@ -167,11 +167,11 @@ and
 .Fn drem \\*(If y
 to be invalid operations that produce a \*(Na.
 On the
-.Tn VAX , 
+.Tn VAX ,
 .Fn drem x 0
 generates a reserved operand fault.  No \*(If
 exists on a
-.Tn VAX . 
+.Tn VAX .
 .Pp
 .Tn IEEE
 754 defines
@@ -182,17 +182,17 @@ exists on a
 = \-\*(If, and
 requires the latter to signal Division\-by\-Zero.
 But on a
-.Tn VAX , 
+.Tn VAX ,
 .Fn logb 0
 = 1.0 \- 2.0**31 = \-2,147,483,647.0.
 And if the correct value of
 .Fn scalb
 would overflow on a
-.Tn VAX , 
+.Tn VAX ,
 it generates a reserved operand fault and sets the global variable
 .Va errno
 to
-.Er ERANGE . 
+.Er ERANGE .
 .Sh SEE ALSO
 .Xr floor 3 ,
 .Xr infnan 3 ,
@@ -200,7 +200,7 @@ to
 .Sh HISTORY
 The
 .Nm ieee
-functions appeared in 
+functions appeared in
 .Bx 4.3 .
 .Sh BUGS
 Should
@@ -209,7 +209,7 @@ and
 .Fn logb 0
 on a
 .Tn VAX
-signal invalidity 
+signal invalidity
 by setting
 .Va errno No = Er EDOM ?
 Should
@@ -221,12 +221,12 @@ return  \-1.7e38?
 .Fn logb "denormalized no.\&"
 =
 .Fn logb "tiniest normalized no. > 0"
-but the consensus has changed to the specification in the new 
+but the consensus has changed to the specification in the new
 proposed
 .Tn IEEE
 standard p854, namely that
 .Fn logb x
-satisfy 
+satisfy
 .Bd -ragged -offset indent
 1 \(<=
 .Fn scalb \\*(Bax\\*(Ba \-logb(x)
@@ -237,7 +237,7 @@ for
 754
 .Ed
 .Pp
-for every x except 0, 
+for every x except 0,
 \*(If
 and \*(Na.
 Almost every program that assumes 754's specification will work
@@ -260,7 +260,7 @@ similar in spirit to the
 .Tn VAX Ns 's
 reserved operand, but very
 different in important details.  Since the sign bit of a
-reserved operand makes it look negative,  
+reserved operand makes it look negative,
 .Bd -ragged -offset indent
 .Fn copysign x "reserved operand"
 =
diff --git a/lib/libm/common_source/infnan.3 b/lib/libm/common_source/infnan.3
index 1a1d651b83da..5baaad7dba29 100644
--- a/lib/libm/common_source/infnan.3
+++ b/lib/libm/common_source/infnan.3
@@ -44,7 +44,7 @@
 .Lb libm
 .Sh SYNOPSIS
 .Fd #include <math.h>
-.Ft double 
+.Ft double
 .Fn infnan "int iarg"
 .Sh DESCRIPTION
 At some time in the future, some of the useful properties of
@@ -67,7 +67,7 @@ in appropriate places in
 .Xr libm 3 .
 When
 better exception\-handling is implemented in
-.Tn UNIX , 
+.Tn UNIX ,
 only
 .Fn infnan
 among the codes in
@@ -115,7 +115,7 @@ when they
 invoke
 .Fn infnan iarg
 under analogous circumstances on a
-.Tn VAX . 
+.Tn VAX .
 Currently
 .Fn infnan
 stops computation under all those
@@ -126,7 +126,7 @@ and a value for a
 revised
 .Fn infnan
 to return.  And a C program to
-implement that suggestion follows. 
+implement that suggestion follows.
 .Bl -column "IEEE Signal" "IEEE Default" XXERANGE ERANGEXXorXXEDOM
 .It "IEEE Signal	IEEE Default	" Fa iarg Ta Va errno Ta Fn infnan
 .It "Invalid	\*(Na	" Er "EDOM	EDOM	0"
@@ -173,5 +173,5 @@ and
 .Sh HISTORY
 The
 .Fn infnan
-function appeared in 
+function appeared in
 .Bx 4.3 .
diff --git a/lib/libm/common_source/j0.3 b/lib/libm/common_source/j0.3
index 8fc32e8a5fa9..2234a4cef9f5 100644
--- a/lib/libm/common_source/j0.3
+++ b/lib/libm/common_source/j0.3
@@ -99,7 +99,7 @@ the function
 computes the
 .Em "Bessel function of the second kind for the integer order"
 .Fa n
-for the positive 
+for the positive
 .Em integer
 value
 .Fa x
diff --git a/lib/libm/common_source/lgamma.3 b/lib/libm/common_source/lgamma.3
index 537b5b795e0e..505eb8ad1b48 100644
--- a/lib/libm/common_source/lgamma.3
+++ b/lib/libm/common_source/lgamma.3
@@ -113,7 +113,7 @@ will underflow.
 .Sh HISTORY
 The
 .Fn lgamma
-function appeared in 
+function appeared in
 .Bx 4.3 .
 The
 .Fn gamma
diff --git a/lib/libm/common_source/math.3 b/lib/libm/common_source/math.3
index 2e26575de27e..4bc1ff315e00 100644
--- a/lib/libm/common_source/math.3
+++ b/lib/libm/common_source/math.3
@@ -379,7 +379,7 @@ correctly through multiplication and division, and
 .If (finite)/\(+- \0=\0\(+-0
 (nonzero)/0 =
 .If \(+- .
-But 
+But
 .if n \
 Infinity\-Infinity, Infinity\(**0 and Infinity/Infinity
 .if t \
diff --git a/lib/libm/common_source/sinh.3 b/lib/libm/common_source/sinh.3
index 30094733b956..a5cfbee4ecef 100644
--- a/lib/libm/common_source/sinh.3
+++ b/lib/libm/common_source/sinh.3
@@ -53,7 +53,7 @@ function computes the hyperbolic sine of
 The
 .Fn sinh
 function returns the hyperbolic sine value unless
-the  magnitude 
+the  magnitude
 of
 .Fa x
 is too large; in this event, the global variable
diff --git a/lib/libmd/mdX.3 b/lib/libmd/mdX.3
index cc4412294f10..3b685883262c 100644
--- a/lib/libmd/mdX.3
+++ b/lib/libmd/mdX.3
@@ -43,7 +43,7 @@
 The MDX functions calculate a 128-bit cryptographic checksum (digest)
 for any number of input bytes.  A cryptographic checksum is a one-way
 hash-function, that is, you cannot find (except by exhaustive search)
-the input corresponding to a particular output.  This net result is 
+the input corresponding to a particular output.  This net result is
 a ``fingerprint'' of the input-data, which doesn't disclose the actual
 input.
 .Pp
@@ -84,7 +84,7 @@ which converts the return value to a 33-character
 string which represents the 128 bits in hexadecimal.
 .Pp
 .Fn MDXFile
-calculates the digest of a file, and uses 
+calculates the digest of a file, and uses
 .Fn MDXEnd
 to return the result.
 If the file cannot be opened, a null pointer is returned.
@@ -98,7 +98,7 @@ When using
 .Fn MDXFile ,
 or
 .Fn MDXData ,
-the 
+the
 .Ar buf
 argument can be a null pointer, in which case the returned string
 is allocated with
@@ -106,7 +106,7 @@ is allocated with
 and subsequently must be explicitly deallocated using
 .Xr free 3
 after use.
-If the 
+If the
 .Ar buf
 argument is non-null it must point to at least 33 characters of buffer space.
 .Sh SEE ALSO
@@ -130,7 +130,7 @@ argument is non-null it must point to at least 33 characters of buffer space.
 .%O RFC 1321
 .Re
 .Rs
-.%A RSA Laboratories 
+.%A RSA Laboratories
 .%T Frequently Asked Questions About today's Cryptography
 .%O \&<http://www.rsa.com/rsalabs/faq/>
 .Re
diff --git a/lib/libmd/ripemd.3 b/lib/libmd/ripemd.3
index 352d4522ca32..9cbddd198ddc 100644
--- a/lib/libmd/ripemd.3
+++ b/lib/libmd/ripemd.3
@@ -43,7 +43,7 @@ The
 functions calculate a 160-bit cryptographic checksum (digest)
 for any number of input bytes.  A cryptographic checksum is a one-way
 hash function; that is, it is computationally impractical to find
-the input corresponding to a particular output.  This net result is 
+the input corresponding to a particular output.  This net result is
 a ``fingerprint'' of the input-data, which doesn't disclose the actual
 input.
 .Pp
@@ -68,7 +68,7 @@ which converts the return value to a 41-character
 string which represents the 160 bits in hexadecimal.
 .Pp
 .Fn RIPEMD160_File
-calculates the digest of a file, and uses 
+calculates the digest of a file, and uses
 .Fn RIPEMD160_End
 to return the result.
 If the file cannot be opened, a null pointer is returned.
@@ -82,7 +82,7 @@ When using
 .Fn RIPEMD160_File ,
 or
 .Fn RIPEMD160_Data ,
-the 
+the
 .Ar buf
 argument can be a null pointer, in which case the returned string
 is allocated with
@@ -90,7 +90,7 @@ is allocated with
 and subsequently must be explicitly deallocated using
 .Xr free 3
 after use.
-If the 
+If the
 .Ar buf
 argument is non-null it must point to at least 41 characters of buffer space.
 .Sh SEE ALSO
diff --git a/lib/libmd/sha.3 b/lib/libmd/sha.3
index c670ad5160e2..7b3a5377f534 100644
--- a/lib/libmd/sha.3
+++ b/lib/libmd/sha.3
@@ -63,7 +63,7 @@ and
 functions calculate a 160-bit cryptographic checksum (digest)
 for any number of input bytes.  A cryptographic checksum is a one-way
 hash function; that is, it is computationally impractical to find
-the input corresponding to a particular output.  This net result is 
+the input corresponding to a particular output.  This net result is
 a ``fingerprint'' of the input-data, which doesn't disclose the actual
 input.
 .Pp
@@ -97,7 +97,7 @@ which converts the return value to a 41-character
 string which represents the 160 bits in hexadecimal.
 .Pp
 .Fn SHA1_File
-calculates the digest of a file, and uses 
+calculates the digest of a file, and uses
 .Fn SHA1_End
 to return the result.
 If the file cannot be opened, a null pointer is returned.
@@ -111,7 +111,7 @@ When using
 .Fn SHA1_File ,
 or
 .Fn SHA1_Data ,
-the 
+the
 .Ar buf
 argument can be a null pointer, in which case the returned string
 is allocated with
@@ -119,7 +119,7 @@ is allocated with
 and subsequently must be explicitly deallocated using
 .Xr free 3
 after use.
-If the 
+If the
 .Ar buf
 argument is non-null it must point to at least 41 characters of buffer space.
 .Sh SEE ALSO
diff --git a/lib/libnetgraph/netgraph.3 b/lib/libnetgraph/netgraph.3
index e605085500e9..f7ee37817735 100644
--- a/lib/libnetgraph/netgraph.3
+++ b/lib/libnetgraph/netgraph.3
@@ -1,6 +1,6 @@
 .\" Copyright (c) 1996-1999 Whistle Communications, Inc.
 .\" All rights reserved.
-.\" 
+.\"
 .\" Subject to the following obligations and disclaimer of warranty, use and
 .\" redistribution of this software, in source or object code forms, with or
 .\" without modifications are expressly permitted by Whistle Communications;
@@ -11,7 +11,7 @@
 .\"    Communications, Inc. trademarks, including the mark "WHISTLE
 .\"    COMMUNICATIONS" on advertising, endorsements, or otherwise except as
 .\"    such appears in the above copyright notice or in the software.
-.\" 
+.\"
 .\" THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
 .\" TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
 .\" REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
diff --git a/lib/libstand/libstand.3 b/lib/libstand/libstand.3
index 626cf710ec0d..ab1cf254f5d8 100644
--- a/lib/libstand/libstand.3
+++ b/lib/libstand/libstand.3
@@ -35,13 +35,13 @@
 .Sh DESCRIPTION
 .Nm
 provides a set of supporting functions for standalone
-applications, mimicking where possible the standard BSD programming 
+applications, mimicking where possible the standard BSD programming
 environment.  The following sections group these functions by kind.
 Unless specifically described here, see the corresponding section 3
 manpages for the given functions.
 .Sh STRING FUNCTIONS
 String functions are available as documented in
-.Xr string 3 
+.Xr string 3
 and
 .Xr bstring 3 .
 .Sh MEMORY ALLOCATION
@@ -114,7 +114,7 @@ These functions behave similarly to their standard library counterparts.
 .Fn env_getenv "const char *name"
 .Xc
 .Pp
-Looks up a variable in the environment and returns its entire 
+Looks up a variable in the environment and returns its entire
 data structure.
 .It Xo
 .Ft int
@@ -123,7 +123,7 @@ data structure.
 .Pp
 Creates a new or sets an existing environment variable called
 .Fa name .
-If creating a new variable, the 
+If creating a new variable, the
 .Fa sethook
 and
 .Fa unsethook
@@ -140,7 +140,7 @@ again with EV_NOHOOK set to actually save the value.  The predefined function
 may be specified to refuse all attempts to set a variable.
 .Pp
 The unset hook is invoked when an attempt is made to unset a variable.
-If it 
+If it
 returns zero, the  variable will be unset.  The predefined function
 .Fa env_nounset
 may be used to prevent a variable being unset.
@@ -185,7 +185,7 @@ Requires
 .Pp
 Defined as
 .Fn _setjmp
-and 
+and
 .Fn _lonjmp
 respectively as there is no signal state to manipulate.  Requires
 .Fd #include <setjmp.h>
@@ -245,8 +245,8 @@ if successful, or -1 if a read error occurs.
 .Pp
 The *printf functions implement a subset of the standard
 .Fn printf
-family functionality and some extensions.  The following standard conversions 
-are supported: c,d,n,o,p,s,u,x.  The following modifiers are supported: 
+family functionality and some extensions.  The following standard conversions
+are supported: c,d,n,o,p,s,u,x.  The following modifiers are supported:
 +,-,#,*,0,field width,precision,l.
 .Pp
 The
@@ -254,9 +254,9 @@ The
 conversion is provided to decode error registers.  Its usage is:
 .Pp
 .Bd -ragged -offset indent
-printf( 
-.Qq reg=%b\en , 
-regval, 
+printf(
+.Qq reg=%b\en ,
+regval,
 .Qq <base><arg>*
 );
 .Ed
@@ -290,7 +290,7 @@ printf(
 .Qq %6D ,
 ptr,
 .Qq \&:
-);  gives  
+);  gives
 .Qq XX:XX:XX:XX:XX:XX
 .Ed
 .Bd -ragged -offset indent
@@ -299,7 +299,7 @@ printf(
 len,
 ptr,
 .Qq "\ "
-);  gives  
+);  gives
 .Qq XX XX XX ...
 .Ed
 .El
@@ -398,9 +398,9 @@ and
 .Fn fstat
 functions only fill out the following fields in the
 .Fa sb
-structure: st_mode,st_nlink,st_uid,st_gid,st_size.  The 
+structure: st_mode,st_nlink,st_uid,st_gid,st_size.  The
 .Nm tftp
-filesystem cannot provide meaningful values for this call, and the 
+filesystem cannot provide meaningful values for this call, and the
 .Nm cd9660
 filesystem always reports files having uid/gid of zero.
 .El
@@ -450,7 +450,7 @@ Returns -1 on error, 0 at EOF, or 1 if the user elects to quit while reading.
 .Fn twiddle void
 .Xc
 .Pp
-Successive calls emit the characters in the sequence |,/,-,\\ followed by a 
+Successive calls emit the characters in the sequence |,/,-,\\ followed by a
 backspace in order to provide reassurance to the user.
 .El
 .Sh REQUIRED LOW-LEVEL SUPPORT
@@ -464,9 +464,9 @@ functions can be invoked.  Stack requirements vary depending on the functions
 and filesystems used by the consumer and the support layer functions detailed
 below.
 .Pp
-The heap must be established before calling 
+The heap must be established before calling
 .Fn alloc
-or 
+or
 .Fn open
 by calling
 .Fn setheap .
@@ -474,7 +474,7 @@ Heap usage will vary depending on the number of simultaneously open files,
 as well as client behaviour.  Automatic decompression will allocate more
 than 64K of data per open file.
 .Pp
-Console access is performed via the 
+Console access is performed via the
 .Fn getchar ,
 .Fn putchar
 and
@@ -515,9 +515,9 @@ Returns nonzero if a character is waiting from the console.
 .Xc
 .Pp
 Write a character to the console, used by
-.Fn gets , 
-.Fn ngets , 
-.Fn *printf , 
+.Fn gets ,
+.Fn ngets ,
+.Fn *printf ,
 .Fn panic
 and
 .Fn twiddle
@@ -531,11 +531,11 @@ Open the appropriate device for the file named in
 .Fa name ,
 returning in
 .Fa file
-a pointer to the remaining body of 
+a pointer to the remaining body of
 .Fa name
 which does not refer to the device.  The
 .Va f_dev
-field in 
+field in
 .Fa of
 will be set to point to the
 .Vt devsw
@@ -612,7 +612,7 @@ The lack of detailed memory usage data is unhelpful.
 .Nm
 contains contributions from many sources, including:
 .Bl -bullet -compact
-.It 
+.It
 .Nm libsa
 from
 .Nx
diff --git a/lib/libtacplus/libtacplus.3 b/lib/libtacplus/libtacplus.3
index ca83a8e00096..97552252ed12 100644
--- a/lib/libtacplus/libtacplus.3
+++ b/lib/libtacplus/libtacplus.3
@@ -258,7 +258,7 @@ initial authentication request.
 .Pp
 When it receives the CONTINUE packet, the server may again request
 more information by returning
-.Dv TAC_AUTHEN_STATUS_GETDATA , 
+.Dv TAC_AUTHEN_STATUS_GETDATA ,
 .Dv TAC_AUTHEN_STATUS_GETUSER ,
 or
 .Dv TAC_AUTHEN_STATUS_GETPASS .
@@ -272,7 +272,7 @@ can be retrieved by calling
 .Fn tac_strerror .
 The message text is overwritten on each new error for the given
 .Va struct tac_handle * .
-Thus the message must be copied if it is to be preserved through 
+Thus the message must be copied if it is to be preserved through
 subsequent library calls using the same handle.
 .Sh CLEANUP
 To free the resources used by the TACACS+ library, call
@@ -283,7 +283,7 @@ they detect an error, they return -1 and record an error message
 which can be retrieved using
 .Fn tac_strerror .
 .Pp
-.Bl -item -offset indent -compact 
+.Bl -item -offset indent -compact
 .It
 .Fn tac_add_server
 .It
diff --git a/lib/libutil/auth.3 b/lib/libutil/auth.3
index b575bcf9c691..68539db899cf 100644
--- a/lib/libutil/auth.3
+++ b/lib/libutil/auth.3
@@ -1,8 +1,8 @@
-.\" 
+.\"
 .\" Copyright (c) 1998 Jordan Hubbard
-.\" 
+.\"
 .\" All rights reserved.
-.\" 
+.\"
 .\" Redistribution and use in source and binary forms, with or without
 .\" modification, are permitted provided that the following conditions
 .\" are met:
@@ -22,7 +22,7 @@
 .\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-.\" 
+.\"
 .\" $FreeBSD$
 .\" "
 .Dd October 7, 1998
diff --git a/lib/libutil/login.3 b/lib/libutil/login.3
index ed6d72883b7f..41612fbf9e4e 100644
--- a/lib/libutil/login.3
+++ b/lib/libutil/login.3
@@ -1,8 +1,8 @@
-.\" 
+.\"
 .\" Copyright (c) 1996 Joerg Wunsch
-.\" 
+.\"
 .\" All rights reserved.
-.\" 
+.\"
 .\" Redistribution and use in source and binary forms, with or without
 .\" modification, are permitted provided that the following conditions
 .\" are met:
@@ -22,7 +22,7 @@
 .\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-.\" 
+.\"
 .\" $FreeBSD$
 .\" "
 .Dd December 29, 1996
diff --git a/lib/libutil/login.conf.5 b/lib/libutil/login.conf.5
index 3d3df0fa759f..a6619ec2c444 100644
--- a/lib/libutil/login.conf.5
+++ b/lib/libutil/login.conf.5
@@ -79,7 +79,7 @@ for a more in-depth description of the format of a capability database.
 Fields within each record in the database follow the
 .Xr getcap 3
 conventions for boolean, type string
-.Ql \&= 
+.Ql \&=
 and type numeric
 .Ql \&# ,
 although type numeric is depreciated in favour of the string format and
diff --git a/lib/libutil/login_auth.3 b/lib/libutil/login_auth.3
index ed57fec5f8bf..f9db7ab91096 100644
--- a/lib/libutil/login_auth.3
+++ b/lib/libutil/login_auth.3
@@ -29,9 +29,9 @@
 .\" .Nm auth_scan
 .\" .Nm auth_rmfiles
 .Nm auth_checknologin ,
-.Nm auth_cat 
-.\" .Nm auth_ttyok 
-.\" .Nm auth_hostok 
+.Nm auth_cat
+.\" .Nm auth_ttyok
+.\" .Nm auth_hostok
 .\" .Nm auth_timesok
 .Nd authentication style support library for login class capabilities database.
 .Sh LIBRARY
diff --git a/lib/libutil/login_cap.3 b/lib/libutil/login_cap.3
index a7a796a7e415..7f771714834a 100644
--- a/lib/libutil/login_cap.3
+++ b/lib/libutil/login_cap.3
@@ -152,10 +152,10 @@ functions will search for a record with an id of "default",
 with that name returned in the
 .Ar lc_class
 field.
-In addition, if the referenced user has a UID of 0 (normally,                  
-"root", although the user name is not considered) then                         
-.Fn login_getpwclass                                                           
-will search for a record with an id of "root" before it searches               
+In addition, if the referenced user has a UID of 0 (normally,
+"root", although the user name is not considered) then
+.Fn login_getpwclass
+will search for a record with an id of "root" before it searches
 for the record with the id of "default".
 .Pp
 The
@@ -196,11 +196,11 @@ contained within it may override the system defaults.
 This scheme allows users to override some login settings from
 those in the system login class database by creating class records
 for their own private class with a record id of `me'.
-In the context of a 
+In the context of a
 .Em login ,
 it should be noted that some options cannot by overridden by
 users for two reasons; many options, such as resource settings
-and default process priorities, require root privileges 
+and default process priorities, require root privileges
 in order to take effect, and other fields in the user's file are
 not be consulted at all during the early phases of login for
 security or administrative reasons.
@@ -272,7 +272,7 @@ The manpage for
 .Xr login.conf 5
 deals in specific tags and their type.
 .Pp
-Note that with all functions in this group, you should not call 
+Note that with all functions in this group, you should not call
 .Xr free 3
 on any pointers returned.
 Memory allocated during retrieval or processing of capability
@@ -337,7 +337,7 @@ If in the first format, then the value given may be "inf" or
 "infinity" which results in a return value of RLIM_INFINITY.
 If the given capability tag cannot be found, the
 .Ar def
-parameter is returned, and if an error occurs, the 
+parameter is returned, and if an error occurs, the
 .Ar error
 parameter is returned.
 .It Fn login_getcapsize
diff --git a/lib/libutil/login_ok.3 b/lib/libutil/login_ok.3
index 7242acc88eb1..4d1bab63d5f3 100644
--- a/lib/libutil/login_ok.3
+++ b/lib/libutil/login_ok.3
@@ -46,17 +46,17 @@ class capability entries in the login database,
 .Pp
 .Fn auth_ttyok
 checks to see if the named tty is available to users of a specific
-class, and is either in the 
+class, and is either in the
 .Em ttys.allow
 access list, and not in
-the 
+the
 .Em ttys.deny
 access list.
-An empty 
+An empty
 .Em ttys.allow
 list (or if no such capability exists for
 the give login class) logins via any tty device are allowed unless
-the 
+the
 .Em ttys.deny
 list exists and is non-empty, and the device or its
 tty group (see
@@ -67,7 +67,7 @@ name, a device name which includes a wildcard (e.g. ttyD* or cuaD*),
 or may name a ttygroup, when group=<name> tags have been assigned in
 .Pa /etc/ttys .
 Matching of ttys and ttygroups is case sensitive.
-Passing a 
+Passing a
 .Dv NULL
 or empty string as the
 .Ar tty
@@ -76,9 +76,9 @@ parameter causes the function to return a non-zero value.
 .Fn auth_hostok
 checks for any host restrictions for remote logins.
 The function checks on both a host name and IP address (given in its
-text form, typically n.n.n.n) against the 
+text form, typically n.n.n.n) against the
 .Em host.allow
-and 
+and
 .Em host.deny
 login class capabilities.
 As with ttys and their groups, wildcards and character classes may be
@@ -93,7 +93,7 @@ is in its canonical form.
 No hostname or address lookups are attempted.
 .Pp
 It is possible to call this function with either the hostname or
-the IP address missing (i.e. 
+the IP address missing (i.e.
 .Dv NULL )
 and matching will be performed
 only on the basis of the parameter given.
@@ -109,7 +109,7 @@ function checks to see that a given time value is within the
 login class capability and not within the
 .Em times.deny
 access lists.
-An empty or non-existent 
+An empty or non-existent
 .Em times.allow
 list allows access at any
 time, except if a given time is falls within a period in the
@@ -126,7 +126,7 @@ manual page.
 A non-zero return value from any of these functions indicates that
 login access is granted.
 A zero return value means either that the item being tested is not
-in the 
+in the
 .Em allow
 access list, or is within the
 .Em deny
diff --git a/lib/libutil/login_times.3 b/lib/libutil/login_times.3
index bdf66f344b7a..11a3e7d53d4f 100644
--- a/lib/libutil/login_times.3
+++ b/lib/libutil/login_times.3
@@ -125,7 +125,7 @@ parameter to the function is not NULL, the time at which the
 period ends relative to the time passed is returned.
 .Pp
 The
-.Fn in_ltms 
+.Fn in_ltms
 function is similar to
 .Fn in_ltm
 except that the first parameter must be a pointer to an array
diff --git a/lib/libutil/login_tty.3 b/lib/libutil/login_tty.3
index 84a39e162ecd..8cbb200fd6a7 100644
--- a/lib/libutil/login_tty.3
+++ b/lib/libutil/login_tty.3
@@ -1,8 +1,8 @@
-.\" 
+.\"
 .\" Copyright (c) 1996 Joerg Wunsch
-.\" 
+.\"
 .\" All rights reserved.
-.\" 
+.\"
 .\" Redistribution and use in source and binary forms, with or without
 .\" modification, are permitted provided that the following conditions
 .\" are met:
@@ -22,7 +22,7 @@
 .\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-.\" 
+.\"
 .\" $FreeBSD$
 .\" "
 .Dd December 29, 1996
diff --git a/lib/libutil/logout.3 b/lib/libutil/logout.3
index dd083abb6b63..a129e5466df4 100644
--- a/lib/libutil/logout.3
+++ b/lib/libutil/logout.3
@@ -1,8 +1,8 @@
-.\" 
+.\"
 .\" Copyright (c) 1996 Joerg Wunsch
-.\" 
+.\"
 .\" All rights reserved.
-.\" 
+.\"
 .\" Redistribution and use in source and binary forms, with or without
 .\" modification, are permitted provided that the following conditions
 .\" are met:
@@ -22,7 +22,7 @@
 .\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-.\" 
+.\"
 .\" $FreeBSD$
 .\" "
 .Dd December 29, 1996
diff --git a/lib/libutil/logwtmp.3 b/lib/libutil/logwtmp.3
index 1ba434749c46..f8fa4b6a5b87 100644
--- a/lib/libutil/logwtmp.3
+++ b/lib/libutil/logwtmp.3
@@ -1,8 +1,8 @@
-.\" 
+.\"
 .\" Copyright (c) 1996 Joerg Wunsch
-.\" 
+.\"
 .\" All rights reserved.
-.\" 
+.\"
 .\" Redistribution and use in source and binary forms, with or without
 .\" modification, are permitted provided that the following conditions
 .\" are met:
@@ -22,7 +22,7 @@
 .\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-.\" 
+.\"
 .\" $FreeBSD$
 .\" "
 .Dd December 29, 1996
diff --git a/lib/libutil/property.3 b/lib/libutil/property.3
index 174665ca7fb2..f945bd57e728 100644
--- a/lib/libutil/property.3
+++ b/lib/libutil/property.3
@@ -1,8 +1,8 @@
-.\" 
+.\"
 .\" Copyright (c) 1998 Jordan Hubbard
-.\" 
+.\"
 .\" All rights reserved.
-.\" 
+.\"
 .\" Redistribution and use in source and binary forms, with or without
 .\" modification, are permitted provided that the following conditions
 .\" are met:
@@ -22,14 +22,14 @@
 .\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-.\" 
+.\"
 .\" $FreeBSD$
 .\" "
 .Dd October 7, 1998
 .Os
 .Dt PROPERTIES 3
 .Sh NAME
-.Nm properties_read , 
+.Nm properties_read ,
 .Nm propery_find ,
 .Nm properties_free
 .Nd "functions to allow creating simple property lists from ASCII file data"
@@ -79,7 +79,7 @@ Each property in the file is assumed to have the format of
 .Fa name = value
 where
 .Fa name
-is an alphanumeric string (and any punctuation not including the `=' character) 
+is an alphanumeric string (and any punctuation not including the `=' character)
 and
 .Fa value
 is an arbitary string of text terminated by a newline character.  If newlines
diff --git a/lib/libutil/pty.3 b/lib/libutil/pty.3
index cb2e461c4266..32849687afd2 100644
--- a/lib/libutil/pty.3
+++ b/lib/libutil/pty.3
@@ -1,8 +1,8 @@
-.\" 
+.\"
 .\" Copyright (c) 1996 Joerg Wunsch
-.\" 
+.\"
 .\" All rights reserved.
-.\" 
+.\"
 .\" Redistribution and use in source and binary forms, with or without
 .\" modification, are permitted provided that the following conditions
 .\" are met:
@@ -22,14 +22,14 @@
 .\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-.\" 
+.\"
 .\" $FreeBSD$
 .\" "
 .Dd December 29, 1996
 .Os
 .Dt PTY 3
 .Sh NAME
-.Nm openpty , 
+.Nm openpty ,
 .Nm forkpty
 .Nd auxiliary functions to obtain a pseudo-terminal
 .Sh LIBRARY
diff --git a/lib/libutil/uucplock.3 b/lib/libutil/uucplock.3
index 404834b0b268..ad801cc354fa 100644
--- a/lib/libutil/uucplock.3
+++ b/lib/libutil/uucplock.3
@@ -1,8 +1,8 @@
-.\" 
+.\"
 .\" Copyright (c) 1996 Brian Somers <brian@awfulhak.demon.co.uk>
-.\" 
+.\"
 .\" All rights reserved.
-.\" 
+.\"
 .\" Redistribution and use in source and binary forms, with or without
 .\" modification, are permitted provided that the following conditions
 .\" are met:
@@ -22,14 +22,14 @@
 .\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-.\" 
+.\"
 .\" $FreeBSD$
 .\" "
 .Dd March 30, 1997
 .Os
 .Dt UUCPLOCK 3
 .Sh NAME
-.Nm uu_lock , 
+.Nm uu_lock ,
 .Nm uu_unlock ,
 .Nm uu_lockerr
 .Nd acquire and release control of a serial device
diff --git a/lib/libvgl/vgl.3 b/lib/libvgl/vgl.3
index 5b8d853c616d..f956522d1911 100644
--- a/lib/libvgl/vgl.3
+++ b/lib/libvgl/vgl.3
@@ -1,6 +1,6 @@
 .\" Copyright (c) 1997 Søren Schmidt
 .\" All rights reserved.
-.\" 
+.\"
 .\" Redistribution and use in source and binary forms, with or without
 .\" modification, are permitted provided that the following conditions
 .\" are met:
@@ -12,7 +12,7 @@
 .\"    documentation and/or other materials provided with the distribution.
 .\" 3. The name of the author may not be used to endorse or promote products
 .\"    derived from this software withough specific prior written permission.
-.\" 
+.\"
 .\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 .\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 .\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
@@ -23,7 +23,7 @@
 .\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-.\" 
+.\"
 .\" $FreeBSD$
 .Dd November 7, 1999
 .Dt VGL 3
@@ -69,11 +69,11 @@
 .Fd #include <vgl.h>
 .Ft int
 .Fn VGLInit "int mode"
-.Ft void 
+.Ft void
 .Fn VGLEnd "void"
-.Ft void 
+.Ft void
 .Fn VGLCheckSwitch "void"
-.Ft int 
+.Ft int
 .Fn VGLTextSetFontFile "char *filename"
 .Ft int
 .Fn VGLKeyboardInit "int code"
@@ -81,29 +81,29 @@
 .Fn VGLKeyboardEnd "void"
 .Ft int
 .Fn VGLKeyboardGetCh "void"
-.Ft int 
+.Ft int
 .Fn VGLMouseInit "int mode"
-.Ft void 
+.Ft void
 .Fn VGLMouseMode "int mode"
-.Ft int 
+.Ft int
 .Fn VGLMouseStatus "int *x" "int *y" "char *buttons"
-.Ft void 
+.Ft void
 .Fn VGLMouseSetImage "VGLBitmap *AndMask" "VGLBitmap *OrMask"
-.Ft void 
+.Ft void
 .Fn VGLMouseSetStdImage "void"
-.Ft byte 
+.Ft byte
 .Fn VGLGetXY "VGLBitmap *object" "int x" "int y"
-.Ft void 
+.Ft void
 .Fn VGLSetXY "VGLBitmap *object" "int x" "int y" "byte color"
-.Ft void 
+.Ft void
 .Fn VGLLine "VGLBitmap *object" "int x1" "int y1" "int x2" "int y2" "byte color"
-.Ft void 
+.Ft void
 .Fn VGLBox "VGLBitmap *object" "int x1" "int y1" "int x2" "int y2" "byte color"
-.Ft void 
+.Ft void
 .Fn VGLFilledBox "VGLBitmap *object" "int x1" "int y1" "int x2" "int y2" "byte color"
-.Ft void 
+.Ft void
 .Fn VGLEllipse "VGLBitmap *object" "int xc" "int yc" "int a" "int b" "byte color"
-.Ft void 
+.Ft void
 .Fn VGLFilledEllipse "VGLBitmap *object" "int xc" "int yc" "int a" "int b" "byte color"
 .Ft VGLBitmap *
 .Fn VGLBitmapCreate "int type" "int xsize" "int ysize" "byte *bits"
@@ -111,25 +111,25 @@
 .Fn VGLBitmapDestroy "VGLBitmap *object"
 .Ft int
 .Fn VGLBitmapAllocateBits "VGLBitmap *object"
-.Ft int 
+.Ft int
 .Fn VGLBitmapCopy "VGLBitmap *src" "int srcx" "int srcy" "VGLBitmap *dst" "int dstx" "int dsty" "int width" "int hight"
-.Ft void 
+.Ft void
 .Fn VGLBitmapPutChar "VGLBitmap *Object" "int x" "int y" "byte ch" "byte fgcol" "byte bgcol" "int fill" "int dir"
-.Ft void 
+.Ft void
 .Fn VGLBitmapString "VGLBitmap *Object" "int x" "int y" "char *str" "byte fgcol" "byte bgcol" "int fill" "int dir"
-.Ft void 
+.Ft void
 .Fn VGLClear "VGLBitmap *object" "byte color"
 .Ft void
 .Fn VGLSetPalette "byte *red" "byte *green" "byte *blue"
-.Ft void 
+.Ft void
 .Fn VGLSetPaletteIndex "byte color" "byte red" "byte green" "byte blue"
-.Ft void 
+.Ft void
 .Fn VGLSetBorder "byte color"
 .Ft int
 .Fn VGLSetVScreenSize "VGLBitmap *object" "int vxsize" "int vysize"
 .Ft int
 .Fn VGLPanScreen "VGLBitmap *object" "int x" "int y"
-.Ft void 
+.Ft void
 .Fn VGLBlankDisplay "int blank"
 .Sh DESCRIPTION
 .Nm Libvgl
@@ -143,7 +143,7 @@ mouse via the standard mouse system in
 see
 .Xr mouse 4 ,
 including the ability to transparently have a mouse pointer superimposed on
-the graphic image currently being worked on. 
+the graphic image currently being worked on.
 The library takes care of screen switching by storing the current image in
 memory before switching to another virtual console, and restoring when the
 user switches back.
@@ -163,10 +163,10 @@ was called.
 .Pp
 .Fn VGLCheckSwitch
 if the program goes into longer periods of processing without doing
-any graphics output, calling this function occasionally will allow 
+any graphics output, calling this function occasionally will allow
 the system to switch screens.
 .Pp
-.Fn VGLTextSetFontFile 
+.Fn VGLTextSetFontFile
 instruct the char/string functions to use the font in file
 .Pa filename
 instead of the builtin font.
@@ -182,7 +182,7 @@ must be
 .Dv VGL_CODEKEYS ,
 or
 .Dv VGL_RAWKEYS .
-When 
+When
 .Dv VGL_XLATEKEYS
 is specified, the keyboard translate the raw keyboard scan code into
 a character code.
@@ -202,10 +202,10 @@ read one byte from the keyboard.  As the keyboard I/O is in the
 input mode, the function will not block even if there is no input data,
 and returns 0.
 .Pp
-.Fn VGLMouseInit 
+.Fn VGLMouseInit
 initialize the mouse.
 The optional on-screen mouse pointer is shown if the
-argument is 
+argument is
 .Dv VGL_MOUSESHOW .
 .Pp
 .Fn VGLMouseMode
@@ -218,7 +218,7 @@ or hides the mouse pointer if the argument is
 returns the current mouse pointer coordinates and button state in
 .Va x , y ,
 buttons.
-The return value reflects if the mouse pointer 
+The return value reflects if the mouse pointer
 is currently shown on screen or not.
 .Pp
 .Fn VGLMouseSetImage
@@ -244,7 +244,7 @@ argument to
 .Va color
 byte value.
 .Pp
-.Fn VGLLine 
+.Fn VGLLine
 draw a line from
 .Va x1 , y1
 to
@@ -268,29 +268,29 @@ and lower right hand corner at
 in color
 .Va color .
 .Pp
-.Fn VGLEllipse 
-draw an ellipse centered at 
+.Fn VGLEllipse
+draw an ellipse centered at
 .Va xc , yc
-make it 
+make it
 .Va a
-pixels wide, and 
+pixels wide, and
 .Va b
 pixels high in color
 .Va color .
 .Pp
 .Fn VGLFilledEllipse
-draw a filled (solid) ellipse centered at 
+draw a filled (solid) ellipse centered at
 .Va xc , yc
-make it 
+make it
 .Va a
-pixels wide, and 
+pixels wide, and
 .Va b
 pixels high in color
 .Va color .
 .Pp
 .Fn VGLBitmapCreate
-create a bitmap object and initialize it with the specified 
-values and bit data. 
+create a bitmap object and initialize it with the specified
+values and bit data.
 .Va type
 must be
 .Dv MEMBUF
@@ -298,7 +298,7 @@ for the in-memory bitmap.
 .Va bits
 may be NULL so that bitmap data may be associated later.
 .Pp
-There also is a macro, 
+There also is a macro,
 .Fn VGLBITMAP_INITIALIZER "type" "xsize" "ysize" "bits"
 to initialize a statically declared bitmap object.
 .Pp
@@ -311,11 +311,11 @@ allocate a bit data buffer for the specified object.
 .Fn VGLBitmapCopy
 copy a rectangle of pixels from bitmap
 .Va src
-upper left hand corner at 
+upper left hand corner at
 .Va srcx , srcy
 to bitmap
 .Va dst
-at 
+at
 .Va dstx , dsty
 of the size
 .Va width , height .
@@ -325,9 +325,9 @@ write the character
 .Va ch
 at position
 .Va x , y
-in foreground color 
+in foreground color
 .Va fgcol .
-If 
+If
 .Va fill
 is != 0, use the color
 .Va bgcol
@@ -340,9 +340,9 @@ write the string
 .Va str
 at position
 .Va x , y
-in foreground color 
+in foreground color
 .Va fgcol .
-If 
+If
 .Va fill
 is != 0, use the color
 .Va bgcol
@@ -360,7 +360,7 @@ this function sets the palette used, the arguments
 should point to byte arrays of 256 positions each.
 .Pp
 .Fn VGLSetPaletteIndex
-set the palette index 
+set the palette index
 .Va color
 to the specified RGB value.
 .Pp
@@ -370,7 +370,7 @@ set the border color to color
 .Pp
 .Fn VGLSetVScreenSize
 change the virtual screen size of the display.  Note that this
-function must be called when our vty is in the foreground.  
+function must be called when our vty is in the foreground.
 And
 .Va object
 must be
@@ -380,11 +380,11 @@ Passing a in-memory bitmap to this function results in error.
 The desired virtual screen width may not be achievable because
 of the video card hardware.  In such case the video driver (and
 underlaying video BIOS) may choose the next largest values.
-Always examine 
-.Va object->VXsize 
-and 
-.Va VYsize 
-after calling this function, in order to see how the virtual screen 
+Always examine
+.Va object->VXsize
+and
+.Va VYsize
+after calling this function, in order to see how the virtual screen
 is actually set up.
 .Pp
 In order to set up the largest possible virtual screen, you may
@@ -394,8 +394,8 @@ call this function with arbitrary large values.
 .Pp
 .Fn VGLPanSreen
 change the origin of the displayed screen in the virtual screen.
-Note that this function must be called when our vty is in the 
-foreground.  
+Note that this function must be called when our vty is in the
+foreground.
 .Va object
 must be
 .Va VGLDisplay .
@@ -409,7 +409,7 @@ the user should first see when it's done.
 .Sh AUTHORS
 .An S\(/oren Schmidt Aq sos@FreeBSD.org
 .Sh HISTORY
-The 
+The
 .Nm vgl
 library appeared in
 .Fx 3.0 .
diff --git a/lib/libz/zlib.3 b/lib/libz/zlib.3
index 7ecaf6d972ba..1c2950932f43 100644
--- a/lib/libz/zlib.3
+++ b/lib/libz/zlib.3
@@ -72,7 +72,7 @@ The zlib home page is:
 http://www.cdrom.com/pub/infozip/zlib/
 .LP
 The data format used by the zlib library is described by RFC
-(Request for Comments) 1950 to 1952 in the files: 
+(Request for Comments) 1950 to 1952 in the files:
 .IP
 ftp://ds.internic.net/rfc/rfc1950.txt (zlib format)
 .br
diff --git a/lib/msun/man/acos.3 b/lib/msun/man/acos.3
index 2776bbe5e4e4..582e1c08dd5d 100644
--- a/lib/msun/man/acos.3
+++ b/lib/msun/man/acos.3
@@ -56,7 +56,7 @@ A domain error occurs for arguments not in the range [-1, +1].
 For a discussion of error due to roundoff, see
 .Xr math 3 .
 .Sh RETURN VALUES
-The 
+The
 .Fn acos
 and the
 .Fn acosf
diff --git a/lib/msun/man/acosh.3 b/lib/msun/man/acosh.3
index b7d9f7b047c3..0a4982ef6ed4 100644
--- a/lib/msun/man/acosh.3
+++ b/lib/msun/man/acosh.3
@@ -48,7 +48,7 @@
 .Sh DESCRIPTION
 The
 .Fn acosh
-and the 
+and the
 .Fn acoshf
 functions compute the inverse hyperbolic cosine
 of the real
@@ -59,7 +59,7 @@ For a discussion of error due to roundoff, see
 .Sh RETURN VALUES
 The
 .Fn acosh
-and the 
+and the
 .Fn acoshf
 functions
 return the inverse hyperbolic cosine of
@@ -84,5 +84,5 @@ causes a reserved operand fault.
 .Sh HISTORY
 The
 .Fn acosh
-function appeared in 
+function appeared in
 .Bx 4.3 .
diff --git a/lib/msun/man/asin.3 b/lib/msun/man/asin.3
index 8b26bd273f83..6515fbdfc47a 100644
--- a/lib/msun/man/asin.3
+++ b/lib/msun/man/asin.3
@@ -48,7 +48,7 @@
 .Sh DESCRIPTION
 The
 .Fn asin
-and the 
+and the
 .Fn asinf
 functions compute the principal value of the arc sine of
 .Fa x .
@@ -58,7 +58,7 @@ For a discussion of error due to roundoff, see
 .Sh RETURN VALUES
 The
 .Fn asin
-and the 
+and the
 .Fn asinf
 functions return the arc sine in the range
 .Bk -words
@@ -86,7 +86,7 @@ a reserved operand fault generated.
 .Xr atan2 3 ,
 .Xr cos 3 ,
 .Xr cosh 3 ,
-.Xr math 3 , 
+.Xr math 3 ,
 .Xr sin 3 ,
 .Xr sinh 3 ,
 .Xr tan 3 ,
diff --git a/lib/msun/man/asinh.3 b/lib/msun/man/asinh.3
index eb3f2f3616f4..73de4f71c5f9 100644
--- a/lib/msun/man/asinh.3
+++ b/lib/msun/man/asinh.3
@@ -48,7 +48,7 @@
 .Sh DESCRIPTION
 The
 .Fn asinh
-and the 
+and the
 .Fn asinhf
 functions compute the inverse hyperbolic sine
 of the real
@@ -59,7 +59,7 @@ For a discussion of error due to roundoff, see
 .Sh RETURN VALUES
 The
 .Fn asinh
-and the 
+and the
 .Fn asinhf
 functions
 return the inverse hyperbolic sine of
@@ -72,5 +72,5 @@ return the inverse hyperbolic sine of
 .Sh HISTORY
 The
 .Fn asinh
-function appeared in 
+function appeared in
 .Bx 4.3 .
diff --git a/lib/msun/man/atan.3 b/lib/msun/man/atan.3
index c5e360d0b2b8..4c6fd6446586 100644
--- a/lib/msun/man/atan.3
+++ b/lib/msun/man/atan.3
@@ -57,7 +57,7 @@ For a discussion of error due to roundoff, see
 .Sh RETURN VALUES
 The
 .Fn atan
-and the 
+and the
 .Fn atanf
 function returns the arc tangent in the range
 .Bk -words
diff --git a/lib/msun/man/atan2.3 b/lib/msun/man/atan2.3
index 457ab08d442e..0c124e75597a 100644
--- a/lib/msun/man/atan2.3
+++ b/lib/msun/man/atan2.3
@@ -60,7 +60,7 @@ The
 and the
 .Fn atan2f
 functions, if successful,
-return the arc tangent of 
+return the arc tangent of
 .Fa y/ Ns Ar x
 in the range
 .Bk -words
diff --git a/lib/msun/man/atanh.3 b/lib/msun/man/atanh.3
index 6e770b41944e..528b6b5ca929 100644
--- a/lib/msun/man/atanh.3
+++ b/lib/msun/man/atanh.3
@@ -48,7 +48,7 @@
 .Sh DESCRIPTION
 The
 .Fn  atanh
-and the 
+and the
 .Fn  atanhf
 functions compute the inverse hyperbolic tangent
 of the real
@@ -59,7 +59,7 @@ For a discussion of error due to roundoff, see
 .Sh RETURN VALUES
 The
 .Fn atanh
-and the 
+and the
 .Fn atanhf
 functions
 return the inverse hyperbolic tangent of
diff --git a/lib/msun/man/cos.3 b/lib/msun/man/cos.3
index 32a3762a15ed..bd1b31364467 100644
--- a/lib/msun/man/cos.3
+++ b/lib/msun/man/cos.3
@@ -53,14 +53,14 @@ and the
 functions compute the cosine of
 .Fa x
 (measured in radians).
-A large magnitude argument may yield a result with little or no 
+A large magnitude argument may yield a result with little or no
 significance.
 For a discussion of error due to roundoff, see
 .Xr math 3 .
 .Sh RETURN VALUES
 The
 .Fn cos
-and the 
+and the
 .Fn cosf
 functions return the cosine value.
 .Sh SEE ALSO
diff --git a/lib/msun/man/cosh.3 b/lib/msun/man/cosh.3
index 4c9d9b393bc5..764677271198 100644
--- a/lib/msun/man/cosh.3
+++ b/lib/msun/man/cosh.3
@@ -48,7 +48,7 @@
 .Sh DESCRIPTION
 The
 .Fn cosh
-and the 
+and the
 .Fn coshf
 functions compute the hyperbolic cosine of
 .Fa x .
@@ -63,7 +63,7 @@ of
 is too large; in this event, the global variable
 .Va errno
 is set to
-.Er ERANGE . 
+.Er ERANGE .
 .Sh SEE ALSO
 .Xr acos 3 ,
 .Xr asin 3 ,
diff --git a/lib/msun/man/erf.3 b/lib/msun/man/erf.3
index 89c7cb4bda78..2046a6ddc5e6 100644
--- a/lib/msun/man/erf.3
+++ b/lib/msun/man/erf.3
@@ -57,20 +57,20 @@ These functions calculate the error function of
 .Pp
 The
 .Fn erf
-and the 
+and the
 .Fn erff
 functions calculate the error function of x; where
 .Bd -ragged -offset indent
 .if n \{\
 erf(x) = 2/sqrt(pi)\(**\|integral from 0 to x of exp(\-t\(**t) dt. \}
 .if t \{\
-erf\|(x) := 
+erf\|(x) :=
 (2/\(sr\(*p)\|\(is\d\s8\z0\s10\u\u\s8x\s10\d\|exp(\-t\u\s82\s10\d)\|dt. \}
 .Ed
 .Pp
 The
 .Fn erfc
-and the 
+and the
 .Fn erfcf
 functions calculate the complementary error function of
 .Fa x ;
diff --git a/lib/msun/man/exp.3 b/lib/msun/man/exp.3
index d453b10600a0..86d1fd81880e 100644
--- a/lib/msun/man/exp.3
+++ b/lib/msun/man/exp.3
@@ -89,7 +89,7 @@ functions compute the exponential value of the given argument
 .Pp
 The
 .Fn expm1
-and the 
+and the
 .Fn expm1f
 functions compute the value exp(x)\-1 accurately even for tiny argument
 .Fa x .
@@ -98,7 +98,7 @@ The
 .Fn log
 and the
 .Fn logf
-functions compute the value of the natural logarithm of argument 
+functions compute the value of the natural logarithm of argument
 .Fa x .
 .Pp
 The
@@ -131,12 +131,12 @@ to the exponent
 .Fn log x ,
 .Fn expm1 x
 and
-.Fn log1p x 
-are accurate to within 
+.Fn log1p x
+are accurate to within
 an
 .Em ulp ,
 and
-.Fn log10 x 
+.Fn log10 x
 to within about 2
 .Em ulps ;
 an
@@ -268,10 +268,10 @@ infinite or \*(Na) before computing x**0 cannot care
 whether 0**0 = 1 or not.
 Any program that depends
 upon 0**0 to be invalid is dubious anyway since that
-expression's meaning and, if invalid, its consequences 
+expression's meaning and, if invalid, its consequences
 vary from one computer system to another.
 .It
-Some Algebra texts (e.g. Sigler's) define x**0 = 1 for 
+Some Algebra texts (e.g. Sigler's) define x**0 = 1 for
 all x, including x = 0.
 This is compatible with the convention that accepts a[0]
 as the value of polynomial
@@ -289,7 +289,7 @@ The reason for setting 0**0 = 1 anyway is this:
 If x(z) and y(z) are
 .Em any
 functions analytic (expandable
-in power series) in z around z = 0, and if there 
+in power series) in z around z = 0, and if there
 x(0) = y(0) = 0, then x(z)**y(z) \(-> 1 as z \(-> 0.
 .Ed
 .It
diff --git a/lib/msun/man/floor.3 b/lib/msun/man/floor.3
index 29d2283b1ddb..39323833666d 100644
--- a/lib/msun/man/floor.3
+++ b/lib/msun/man/floor.3
@@ -50,7 +50,7 @@ The
 .Fn floor
 and the
 .Fn floorf
-function returns the largest integral value 
+function returns the largest integral value
 (represented as a double precision number)
 less than or equal to
 .Fa x .
diff --git a/lib/msun/man/ieee.3 b/lib/msun/man/ieee.3
index 2aed69fdb799..fb4001ca4364 100644
--- a/lib/msun/man/ieee.3
+++ b/lib/msun/man/ieee.3
@@ -51,19 +51,19 @@
 .Nd Functions for IEEE arithmetic
 .Sh SYNOPSIS
 .Fd #include <math.h>
-.Ft double 
+.Ft double
 .Fn copysign "double x" "double y"
-.Ft float 
+.Ft float
 .Fn copysignf "float x" "float y"
-.Ft int 
+.Ft int
 .Fn finite "double x"
-.Ft int 
+.Ft int
 .Fn finitef "float x"
 .Ft int
 .Fn ilogb "double x"
 .Ft int
 .Fn ilogbf "float x"
-.Ft double 
+.Ft double
 .Fn nextafter "double x" "double y"
 .Ft float
 .Fn nextafterf "float x" "float y"
@@ -71,12 +71,12 @@
 .Fn remainder "double x" "double y"
 .Ft float
 .Fn remainderf "float x" "float y"
-.Ft double 
+.Ft double
 .Fn scalbn "double x" "int n"
-.Ft float 
+.Ft float
 .Fn scalbnf "float x" "int n"
 .Sh DESCRIPTION
-These functions are required or recommended by 
+These functions are required or recommended by
 .St -ieee754 .
 .Pp
 .Fn copysign
@@ -109,18 +109,18 @@ return
 .Fa x Ns 's exponent
 .Fa n ,
 in integer format.
-.Fn ilogb \*(Pm\*(If 
-returns 
+.Fn ilogb \*(Pm\*(If
+returns
 .Dv INT_MAX
 and
 .Fn ilogb 0
-returns 
+returns
 .Dv INT_MIN .
 .Pp
-.Fn nextafter 
+.Fn nextafter
 and
 .Fn nextafterf
-return the next machine representable number from 
+return the next machine representable number from
 .Fa x
 in direction
 .Fa y .
@@ -176,7 +176,7 @@ computed by exponent manipulation.
 .Sh HISTORY
 The
 .Nm ieee
-functions appeared in 
+functions appeared in
 .Bx 4.3 .
 .Sh STANDARDS
 .St -ieee754
diff --git a/lib/msun/man/ieee_test.3 b/lib/msun/man/ieee_test.3
index 44578daebba9..be27dfc52972 100644
--- a/lib/msun/man/ieee_test.3
+++ b/lib/msun/man/ieee_test.3
@@ -45,20 +45,20 @@
 .Nd IEEE test functions
 .Sh SYNOPSIS
 .Fd #include <math.h>
-.Ft double 
+.Ft double
 .Fn logb "double x"
-.Ft float 
+.Ft float
 .Fn logbf "float x"
-.Ft double 
+.Ft double
 .Fn scalb "double x" "double n"
-.Ft float 
+.Ft float
 .Fn scalbf "float x" "float n"
 .Ft double
 .Fn significand "double x"
 .Ft float
 .Fn significandf "float x"
 .Sh DESCRIPTION
-These functions allow users to test conformance to 
+These functions allow users to test conformance to
 .St -ieee754 .
 Their use is not otherwise recommended.
 .Pp
@@ -81,22 +81,22 @@ return
 .Fa x Ns \(**(2** Ns Fa n )
 computed by exponent manipulation.
 .Pp
-.Fn significand x 
+.Fn significand x
 and
-.Fn significandf x 
+.Fn significandf x
 return
 .Fa sig ,
-where 
-.Fa x 
-:= 
+where
+.Fa x
+:=
 .Fa sig No \(** 2** Ns Fa n
-with 1 \(<= 
+with 1 \(<=
 .Fa sig
 < 2.
 .Fn significand x
 and
 .Fn significandf x
-are not defined when 
+are not defined when
 .Fa x
 is 0, \*(Pm\*(If, or \*(Na.
 .Sh SEE ALSO
diff --git a/lib/msun/man/j0.3 b/lib/msun/man/j0.3
index 2aa024749e13..8a21644e1b9b 100644
--- a/lib/msun/man/j0.3
+++ b/lib/msun/man/j0.3
@@ -125,7 +125,7 @@ compute the
 .Em Bessel function of the second kind for the integer
 .Em order
 .Fa n
-for the positive 
+for the positive
 .Em real
 value
 .Fa x .
diff --git a/lib/msun/man/lgamma.3 b/lib/msun/man/lgamma.3
index 980099945cb8..a34fe0fc4482 100644
--- a/lib/msun/man/lgamma.3
+++ b/lib/msun/man/lgamma.3
@@ -126,7 +126,7 @@ will underflow.
 .Sh HISTORY
 The
 .Fn lgamma
-function appeared in 
+function appeared in
 .Bx 4.3 .
 The
 .Fn gamma
diff --git a/lib/msun/man/math.3 b/lib/msun/man/math.3
index d0633e5868e2..73e8d7b6693c 100644
--- a/lib/msun/man/math.3
+++ b/lib/msun/man/math.3
@@ -54,7 +54,7 @@ Declarations for these functions may be obtained from the include file
 .SH "LIST OF FUNCTIONS"
 Each of the following double functions has a float counterpart with the
 name ending in f, as an example the float counterpart of double acos(double
-x) is float acosf(float x). 
+x) is float acosf(float x).
 .sp 2
 .nf
 .ta \w'copysign'u+2n +\w'infnan.3m'u+10n +\w'inverse trigonometric func'u
@@ -381,7 +381,7 @@ correctly through multiplication and division, and
 .If (finite)/\(+- \0=\0\(+-0
 (nonzero)/0 =
 .If \(+- .
-But 
+But
 .if n \
 Infinity\-Infinity, Infinity\(**0 and Infinity/Infinity
 .if t \
@@ -450,7 +450,7 @@ listed below in declining order of probable importance.
 .ta \w'Invalid Operation'u+6n +\w'Gradual Underflow'u+2n
 Exception	Default Result
 .tc \(ru
-		
+
 .tc
 Invalid Operation	\*(nn, or FALSE
 .if n \{\
diff --git a/lib/msun/man/rint.3 b/lib/msun/man/rint.3
index c8e320d9d979..d4b7aeb3810e 100644
--- a/lib/msun/man/rint.3
+++ b/lib/msun/man/rint.3
@@ -50,7 +50,7 @@ The
 .Fn rint
 and the
 .Fn rintf
-functions return the integral value (represented as a double or float 
+functions return the integral value (represented as a double or float
 precision number) nearest to
 .Fa x
 according to the prevailing rounding mode.
diff --git a/lib/msun/man/sinh.3 b/lib/msun/man/sinh.3
index c7921c9a012c..78995a0dfb95 100644
--- a/lib/msun/man/sinh.3
+++ b/lib/msun/man/sinh.3
@@ -57,7 +57,7 @@ The
 and the
 .Fn sinhf
 functions return the hyperbolic sine value unless
-the  magnitude 
+the  magnitude
 of
 .Fa x
 is too large; in this event, the global variable
diff --git a/lib/msun/man/tanh.3 b/lib/msun/man/tanh.3
index 4659366392be..e17ed3887b79 100644
--- a/lib/msun/man/tanh.3
+++ b/lib/msun/man/tanh.3
@@ -57,7 +57,7 @@ For a discussion of error due to roundoff, see
 .Sh RETURN VALUES
 The
 .Fn tanh
-and the 
+and the
 .Fn tanhf
 functions return the hyperbolic tangent value.
 .Sh SEE ALSO
diff --git a/libexec/bootpd/bootpd.8 b/libexec/bootpd/bootpd.8
index 82c7b40c4170..b06b4f6ec8fe 100644
--- a/libexec/bootpd/bootpd.8
+++ b/libexec/bootpd/bootpd.8
@@ -21,7 +21,7 @@
 .Oc
 .Nm bootpgw
 .Op Fl i
-.Op Fl s      
+.Op Fl s
 .Op Fl t Ar timeout
 .Op Fl d Ar level
 .Ar server
@@ -88,7 +88,7 @@ it does not read a configuration file.
 .Pp
 Either program automatically detects whether it was invoked from inetd
 or from a shell and automatically selects the appropriate mode.
-The 
+The
 .Fl s
 or
 .Fl i
diff --git a/libexec/fingerd/fingerd.8 b/libexec/fingerd/fingerd.8
index 5360dac0d62b..cc65c8b61b52 100644
--- a/libexec/fingerd/fingerd.8
+++ b/libexec/fingerd/fingerd.8
@@ -72,7 +72,7 @@ closes its connections as soon as the output is finished.
 .Pp
 If the line is null (i.e. just a
 .Aq Tn CRLF
-is sent) then 
+is sent) then
 .Xr finger
 returns a
 .Dq default
@@ -111,7 +111,7 @@ Use an alternate program as the local information provider.
 The default local program
 executed by
 .Nm
-is 
+is
 .Xr finger 1 .
 By specifying a customized local server,
 this option allows a system manager
diff --git a/libexec/ftpd/ftpd.8 b/libexec/ftpd/ftpd.8
index 5d6e345dcb36..39eb6afcbd0d 100644
--- a/libexec/ftpd/ftpd.8
+++ b/libexec/ftpd/ftpd.8
@@ -73,7 +73,7 @@ Available options:
 .It Fl d
 Debugging information is written to the syslog using LOG_FTP.
 .It Fl l
-Each successful and failed 
+Each successful and failed
 .Xr ftp 1
 session is logged using syslog with a facility of LOG_FTP.
 If this option is specified twice, the retrieve (get), store (put), append,
@@ -101,7 +101,7 @@ will revert to historical behavior with regard to security checks on
 user operations and restrictions on PORT requests.
 Currently,
 .Nm
-will only honor PORT commands directed to unprivileged ports on the 
+will only honor PORT commands directed to unprivileged ports on the
 remote user's host (which violates the FTP protocol specification but
 closes some security holes).
 .It Fl S
@@ -173,7 +173,7 @@ If the file
 .Pa /etc/ftpwelcome
 exists,
 .Nm
-prints it before issuing the 
+prints it before issuing the
 .Dq ready
 message.
 If the file
@@ -187,7 +187,7 @@ in the anonymous user's case.
 .Pp
 The ftp server currently supports the following ftp requests.
 The case of the requests is ignored.  Requests marked [RW] are
-disabled if 
+disabled if
 .Fl r
 is specified.
 .Bl -column "Request" -offset indent
@@ -275,7 +275,7 @@ This allows users to utilize the metacharacters
 .Dq Li \&*?[]{}~ .
 .Pp
 .Nm Ftpd
-authenticates users according to six rules. 
+authenticates users according to six rules.
 .Pp
 .Bl -enum -offset indent
 .It
@@ -303,7 +303,7 @@ Entries in this file interpreted as group names are prefixed by an "at"
 .Ql \&@
 sign.
 .It
-The user must have a standard shell returned by 
+The user must have a standard shell returned by
 .Xr getusershell 3 .
 .It
 If the user name appears in the file
@@ -342,10 +342,10 @@ When the
 option is set, all transfers are logged as well.
 .El
 .Pp
-In the last case, 
+In the last case,
 .Nm
 takes special measures to restrict the client's access privileges.
-The server performs a 
+The server performs a
 .Xr chroot 2
 to the home directory of the
 .Dq ftp
@@ -367,7 +367,7 @@ The files pwd.db (see
 .Xr passwd 5 )
 and
 .Xr group 5
-must be present for the 
+must be present for the
 .Xr ls
 command to be able to produce owner names rather than numbers.
 The password field in
@@ -421,7 +421,7 @@ It defaults to
 .Pa /etc/ftpmotd .
 .El
 .Pp
-Lines beginning with a '#' are ignored and can be used to include 
+Lines beginning with a '#' are ignored and can be used to include
 comments.
 .Pp
 Defining a virtual host for the primary IP address or hostname
diff --git a/libexec/getNAME/getNAME.1 b/libexec/getNAME/getNAME.1
index de05fceffd69..4375f04754ee 100644
--- a/libexec/getNAME/getNAME.1
+++ b/libexec/getNAME/getNAME.1
@@ -36,10 +36,10 @@
 .Sh DESCRIPTION
 The
 .Nm
-utility 
+utility
 get name sections from manual pages.
 Without options
-.Nm 
+.Nm
 building
 .Xr apropos 1
 database entries.
diff --git a/libexec/getty/getty.8 b/libexec/getty/getty.8
index 3faf1c643361..517777eabdc9 100644
--- a/libexec/getty/getty.8
+++ b/libexec/getty/getty.8
@@ -40,7 +40,7 @@
 .Nd set terminal mode
 .Sh SYNOPSIS
 .Nm
-.Oo 
+.Oo
 .Ar type
 .Op Ar tty
 .Oc
diff --git a/libexec/getty/ttys.5 b/libexec/getty/ttys.5
index b4a5219150d8..3f00428548f0 100644
--- a/libexec/getty/ttys.5
+++ b/libexec/getty/ttys.5
@@ -46,7 +46,7 @@ and control the use of terminal special files.
 This information is read with the
 .Xr getttyent 3
 library routines.
-There is one line in the 
+There is one line in the
 .Nm
 file per special device file.
 Fields are separated by tabs and/or spaces.
diff --git a/libexec/pppoed/pppoed.8 b/libexec/pppoed/pppoed.8
index 841cf152a534..5cafcfce1cc4 100644
--- a/libexec/pppoed/pppoed.8
+++ b/libexec/pppoed/pppoed.8
@@ -78,7 +78,7 @@ offers service
 and waits for a
 .Dv SUCCESS
 indication from the PPPoE node.  On receipt of the SUCCESS indication,
-.Nm 
+.Nm
 will execute
 .Pp
 .D1 Ic exec /usr/sbin/ppp -direct Ar provider
@@ -182,7 +182,7 @@ does not currently allow node chaining.  This may change in the future.
 .Sh HISTORY
 The
 .Nm
-program was written by 
+program was written by
 .An Brian Somers Aq brian@Awfulhak.org
 and first appeared in
 .Fx 3.4 .
diff --git a/libexec/rexecd/rexecd.8 b/libexec/rexecd/rexecd.8
index 574ef22457bb..77780dac108d 100644
--- a/libexec/rexecd/rexecd.8
+++ b/libexec/rexecd/rexecd.8
@@ -43,7 +43,7 @@
 .Op Fl i
 .Sh DESCRIPTION
 .Nm Rexecd
-is the server for the 
+is the server for the
 .Xr rexec 3
 routine.  The server provides remote execution facilities
 with authentication based on user names and
@@ -64,10 +64,10 @@ byte.  The resultant string is
 interpreted as an
 .Tn ASCII
 number, base 10.
-.It 
+.It
 If the number received in step 1 is non-zero,
 it is interpreted as the port number of a secondary
-stream to be used for the 
+stream to be used for the
 .Em stderr .
 A second connection is then created to the specified
 port on the client's machine.
@@ -76,12 +76,12 @@ A NUL terminated user name of at most 16 characters
 is retrieved on the initial socket.
 .It
 A NUL terminated, unencrypted password of at most
-16 characters is retrieved on the initial socket.  
+16 characters is retrieved on the initial socket.
 .It
 A NUL terminated command to be passed to a
 shell is retrieved on the initial socket.  The length of
 the command is limited by the upper bound on the size of
-the system's argument list.  
+the system's argument list.
 .It
 .Nm Rexecd
 then validates the user as is done at login time
@@ -134,7 +134,7 @@ No password file entry for the user name existed.
 .It Sy Password incorrect.
 The wrong password was supplied.
 .It Sy \&No remote directory.
-The 
+The
 .Xr chdir
 command to the home directory failed.
 .It Sy Try again.
diff --git a/libexec/rlogind/rlogind.8 b/libexec/rlogind/rlogind.8
index 887281f238ee..ecfd83f3f627 100644
--- a/libexec/rlogind/rlogind.8
+++ b/libexec/rlogind/rlogind.8
@@ -43,7 +43,7 @@
 .Op Fl Daln
 .Sh DESCRIPTION
 .Nm Rlogind
-is the server for the 
+is the server for the
 .Xr rlogin 1
 program.  The server provides a remote login facility
 with authentication based on privileged port numbers from trusted hosts.
@@ -71,7 +71,7 @@ Enable Kerberos authentication.
 .It Fl v
 Enable vacuous mode.
 .It Fl x
-Enable 
+Enable
 .Tn DES
 encryption for all data passed via the rlogin
 session.  This may impact response time
@@ -112,14 +112,14 @@ verifying that the name and address correspond.
 Normal authentication is bypassed if the address verification fails.
 .El
 .Pp
-Once the source port and address have been checked, 
+Once the source port and address have been checked,
 .Nm
 proceeds with the authentication process described in
 .Xr rshd 8 .
-It then allocates a pseudo terminal (see 
+It then allocates a pseudo terminal (see
 .Xr pty 4 ) ,
 and manipulates file descriptors so that the slave
-half of the pseudo terminal becomes the 
+half of the pseudo terminal becomes the
 .Em stdin ,
 .Em stdout ,
 and
diff --git a/libexec/rpc.rquotad/rpc.rquotad.8 b/libexec/rpc.rquotad/rpc.rquotad.8
index 6c289acf67ae..f6576a459841 100644
--- a/libexec/rpc.rquotad/rpc.rquotad.8
+++ b/libexec/rpc.rquotad/rpc.rquotad.8
@@ -1,4 +1,4 @@
-.\" 
+.\"
 .\" Copyright (c) 1994 Theo de Raadt
 .\" All rights reserved.
 .\"
@@ -33,8 +33,8 @@
 .Dt RPC.RQUOTAD 8
 .Os BSD 4.3
 .Sh NAME
-.Nm rpc.rquotad 
-.Nd remote quota server 
+.Nm rpc.rquotad
+.Nd remote quota server
 .Sh SYNOPSIS
 .Nm /usr/libexec/rpc.rquotad
 .Sh DESCRIPTION
@@ -42,7 +42,7 @@
 is a
 .Xr rpc 3
 server which returns quotas for a user of a local filesystem
-which is NFS-mounted onto a remote machine. 
+which is NFS-mounted onto a remote machine.
 .Xr Quota 1
 uses the results to display user quotas for remote filesystems.
 .Nm Rpc.rquotad
diff --git a/libexec/rpc.rstatd/rpc.rstatd.8 b/libexec/rpc.rstatd/rpc.rstatd.8
index 8860e5541bdb..a70495663b7c 100644
--- a/libexec/rpc.rstatd/rpc.rstatd.8
+++ b/libexec/rpc.rstatd/rpc.rstatd.8
@@ -37,14 +37,14 @@
 .Dt RPC.RSTATD 8
 .Os BSD 4.3
 .Sh NAME
-.Nm rpc.rstatd 
+.Nm rpc.rstatd
 .Nd kernel statistics server
 .Sh SYNOPSIS
 .Nm /usr/libexec/rpc.rstatd
 .Sh DESCRIPTION
 .Nm Rpc.rstatd
 is a server which returns performance statistics obtained from the kernel.
-These statistics are read using the 
+These statistics are read using the
 .Xr rup 1
 command.
 The
@@ -55,7 +55,7 @@ daemon is normally invoked by
 .Nm Rpc.rstatd
 uses an
 .Tn RPC
-protocol defined in 
+protocol defined in
 .Pa /usr/include/rpcsvc/rstat.x .
 .Sh SEE ALSO
 .Xr rup 1 ,
diff --git a/libexec/rpc.rusersd/rpc.rusersd.8 b/libexec/rpc.rusersd/rpc.rusersd.8
index 1775cddd4390..9466172a81fa 100644
--- a/libexec/rpc.rusersd/rpc.rusersd.8
+++ b/libexec/rpc.rusersd/rpc.rusersd.8
@@ -37,7 +37,7 @@
 .Dt RPC.RUSERSD 8
 .Os BSD 4.3
 .Sh NAME
-.Nm rpc.rusersd 
+.Nm rpc.rusersd
 .Nd logged in users server
 .Sh SYNOPSIS
 .Nm /usr/libexec/rpc.rusersd
@@ -57,7 +57,7 @@ daemon is normally invoked by
 .Nm Rpc.rusersd
 uses an
 .Tn RPC
-protocol defined in 
+protocol defined in
 .Pa /usr/include/rpcsvc/rnusers.x .
 .Sh SEE ALSO
 .Xr rusers 1 ,
diff --git a/libexec/rpc.rwalld/rpc.rwalld.8 b/libexec/rpc.rwalld/rpc.rwalld.8
index 116142e46dd9..096337f39753 100644
--- a/libexec/rpc.rwalld/rpc.rwalld.8
+++ b/libexec/rpc.rwalld/rpc.rwalld.8
@@ -37,7 +37,7 @@
 .Dt RPC.RWALLD 8
 .Os BSD 4.3
 .Sh NAME
-.Nm rpc.rwalld 
+.Nm rpc.rwalld
 .Nd write messages to users currently logged in server
 .Sh SYNOPSIS
 .Nm /usr/libexec/rpc.rwalld
@@ -46,7 +46,7 @@
 .Nm Rpc.rwalld
 is a server which will send a message to users
 currently logged in to the system. This server
-invokes the 
+invokes the
 .Xr wall 1
 command to actually write the messages to the
 system.
@@ -60,18 +60,18 @@ is not invoked by
 .Xr inetd 8 .
 .El
 .Pp
-Messages are sent to this server by the 
+Messages are sent to this server by the
 .Xr rwall 1
 command.
 The
 .Nm
-daemon is normally invoked by 
+daemon is normally invoked by
 .Xr inetd 8 .
 .Pp
 .Nm Rpc.rwalld
 uses an
 .Tn RPC
-protocol defined in 
+protocol defined in
 .Pa /usr/include/rpcsvc/rwall.x .
 .Sh SEE ALSO
 .Xr rwall 1 ,
diff --git a/libexec/rpc.sprayd/rpc.sprayd.8 b/libexec/rpc.sprayd/rpc.sprayd.8
index ebf838263adc..fab98e2486fa 100644
--- a/libexec/rpc.sprayd/rpc.sprayd.8
+++ b/libexec/rpc.sprayd/rpc.sprayd.8
@@ -1,4 +1,4 @@
-.\" 
+.\"
 .\" Copyright (c) 1994 Christos Zoulas
 .\" All rights reserved.
 .\"
@@ -33,7 +33,7 @@
 .Dt RPC.SPRAYD 8
 .Os BSD 4.3
 .Sh NAME
-.Nm rpc.sprayd 
+.Nm rpc.sprayd
 .Nd spray server
 .Sh SYNOPSIS
 .Nm /usr/libexec/rpc.sprayd
@@ -50,7 +50,7 @@ daemon is normally invoked by
 .Nm Rpc.sprayd
 uses an
 .Tn RPC
-protocol defined in 
+protocol defined in
 .Pa /usr/include/rpcsvc/spray.x .
 .Sh SEE ALSO
 .Xr spray 8
diff --git a/libexec/rshd/rshd.8 b/libexec/rshd/rshd.8
index bf18b20f92b9..b2e4fcf8189e 100644
--- a/libexec/rshd/rshd.8
+++ b/libexec/rshd/rshd.8
@@ -45,7 +45,7 @@
 The
 .Nm
 server
-is the server for the 
+is the server for the
 .Xr rcmd 3
 routine and, consequently, for the
 .Xr rsh 1
@@ -78,7 +78,7 @@ number, base 10.
 .It
 If the number received in step 2 is non-zero,
 it is interpreted as the port number of a secondary
-stream to be used for the 
+stream to be used for the
 .Em stderr .
 A second connection is then created to the specified
 port on the client's machine.  The source port of this
@@ -109,7 +109,7 @@ machine.
 A null terminated command to be passed to a
 shell is retrieved on the initial socket.  The length of
 the command is limited by the upper bound on the size of
-the system's argument list.  
+the system's argument list.
 .It
 .Nm Rshd
 then validates the user using
@@ -127,7 +127,7 @@ from doing any validation based on the user's
 file,
 unless the user is the superuser.
 .It
-If the file 
+If the file
 .Pa /var/run/nologin
 exists and the user is not the superuser,
 the connection is closed.
@@ -197,7 +197,7 @@ list (as configured into the system).
 No password file entry for the user name existed
 or the authentication procedure described above failed.
 .It Sy Remote directory.
-The 
+The
 .Xr chdir 2
 function to the home directory failed.
 .It Sy Logins not available right now.
@@ -206,10 +206,10 @@ was attempted outside the allowed hours defined in
 .Pa /etc/login.conf
 for the local user's login class.
 .It Sy Can't make pipe.
-The pipe needed for the 
+The pipe needed for the
 .Em stderr ,
 wasn't created.
-.It Sy Can't fork; try again. 
+.It Sy Can't fork; try again.
 A
 .Xr fork 2
 by the server failed.
diff --git a/libexec/telnetd/telnetd.8 b/libexec/telnetd/telnetd.8
index 95513e94090a..aff8223b9b54 100644
--- a/libexec/telnetd/telnetd.8
+++ b/libexec/telnetd/telnetd.8
@@ -76,7 +76,7 @@ option may be used to start up
 .Nm
 manually, instead of through
 .Xr inetd 8 .
-If started up this way, 
+If started up this way,
 .Ar port
 may be specified to run
 .Nm
@@ -145,7 +145,7 @@ to print out debugging information
 to the connection, allowing the user to see what
 .Nm
 is doing.
-There are several possible values for 
+There are several possible values for
 .Ar debugmode :
 .Bl -tag -width exercise
 .It Cm options
@@ -153,7 +153,7 @@ Print information about the negotiation of
 .Tn TELNET
 options.
 .It Cm report
-Print the 
+Print the
 .Cm options
 information, plus some additional information
 about what processing is going on.
@@ -328,7 +328,7 @@ a specific authentication type without having to recompile
 operates by allocating a pseudo-terminal device (see
 .Xr pty 4 )
 for a client, then creating a login process which has
-the slave side of the pseudo-terminal as 
+the slave side of the pseudo-terminal as
 .Dv stdin ,
 .Dv stdout
 and
@@ -342,7 +342,7 @@ between the remote client and the login process.
 .Pp
 When a
 .Tn TELNET
-session is started up, 
+session is started up,
 .Nm
 sends
 .Tn TELNET
diff --git a/libexec/tftpd/tftpd.8 b/libexec/tftpd/tftpd.8
index 1c7382aa742b..f1a5b253c3c6 100644
--- a/libexec/tftpd/tftpd.8
+++ b/libexec/tftpd/tftpd.8
@@ -65,7 +65,7 @@ The server is normally started by
 The use of
 .Xr tftp 1
 does not require an account or password on the remote system.
-Due to the lack of authentication information, 
+Due to the lack of authentication information,
 .Nm
 will allow only publicly readable files to be
 accessed.
@@ -87,12 +87,12 @@ as server program arguments in
 .Pa /etc/inetd.conf .
 In this case access is restricted to files whose
 names are prefixed by the one of the given directories.
-The given directories are also treated as a search path for 
+The given directories are also treated as a search path for
 relative filename requests.
 .Pp
-The 
+The
 .Fl s
-option provides additional security by changing 
+option provides additional security by changing
 .Nm Ns No 's
 root directory, thereby prohibiting accesses outside of the specified
 .Ar directory .
@@ -123,7 +123,7 @@ The
 .Fl s
 option is required for
 .Fl c
-and the specified 
+and the specified
 .Ar directory
 is used as a base.
 .It Fl C
@@ -135,8 +135,8 @@ except it falls back to
 if a directory does not exist for the client's IP.
 .It Fl l
 Log all requests using
-.Xr syslog 3 
-with the facility of 
+.Xr syslog 3
+with the facility of
 .Dv LOG_FTP .
 Note: Logging of
 .Dv LOG_FTP
diff --git a/libexec/xtend/xtend.8 b/libexec/xtend/xtend.8
index 4dd0c7848711..469dff2a5414 100644
--- a/libexec/xtend/xtend.8
+++ b/libexec/xtend/xtend.8
@@ -114,7 +114,7 @@ is issued, otherwise a single-line response containing
 .Sy ERROR
 is produced.
 .It Ic dump
-causes 
+causes
 .Nm
 to dump the current status of all devices to an
 .Tn ASCII