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-'\"
-'\" Copyright (c) 1993-1997 Bell Labs Innovations for Lucent Technologies
-'\" Copyright (c) 1997 Sun Microsystems, Inc.
-'\"
-'\" See the file "license.terms" for information on usage and redistribution
-'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
-'\" SCCS: @(#) variable.n 1.4 97/08/13 16:57:57
-'\" 
-.so man.macros
-.TH variable n 8.0 Tcl "Tcl Built-In Commands"
-.BS
-'\" Note:  do not modify the .SH NAME line immediately below!
-.SH NAME
-variable \- create and initialize a namespace variable
-.SH SYNOPSIS
-\fBvariable \fR?\fIname value...\fR? \fIname \fR?\fIvalue\fR?
-.BE
-
-.SH DESCRIPTION
-.PP
-This command is normally used within a
-\fBnamespace eval\fR command to create one or more variables
-within a namespace.
-Each variable \fIname\fR is initialized with \fIvalue\fR.
-The \fIvalue\fR for the last variable is optional.
-.PP
-If a variable \fIname\fR does not exist, it is created.
-In this case, if \fIvalue\fR is specified,
-it is assigned to the newly created variable.
-If no \fIvalue\fR is specified, the new variable is left undefined.
-If the variable already exists,
-it is set to \fIvalue\fR if \fIvalue\fR is specified
-or left unchanged if no \fIvalue\fR is given.
-Normally, \fIname\fR is unqualified
-(does not include the names of any containing namespaces),
-and the variable is created in the current namespace.
-If \fIname\fR includes any namespace qualifiers,
-the variable is created in the specified namespace.
-.PP
-If the \fBvariable\fR command is executed inside a Tcl procedure,
-it creates local variables
-linked to the corresponding namespace variables.
-In this way the \fBvariable\fR command resembles the \fBglobal\fR command,
-although the \fBglobal\fR command
-only links to variables in the global namespace.
-If any \fIvalue\fRs are given,
-they are used to modify the values of the associated namespace variables.
-If a namespace variable does not exist,
-it is created and optionally initialized.
-.PP
-A \fIname\fR argument cannot reference an element within an array.
-Instead, \fIname\fR should reference the entire array,
-and the initialization \fIvalue\fR should be left off.
-After the variable has been declared,
-elements within the array can be set using ordinary
-\fBset\fR or \fBarray\fR commands.
-
-.SH "SEE ALSO"
-global(n), namespace(n)
-
-.SH KEYWORDS
-global, namespace, procedure, variable