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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.
-'\"
-.TH variable n 8.0 Tcl "Tcl Built-In Commands"
-.so man.macros
-.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\fR
-.sp
-\fBvariable \fR?\fIname value...\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.  If the variable
-is not defined, it will be visible to the \fBnamespace which\fR
-command, but not to the \fBinfo exists\fR command.
-.PP
-If the \fBvariable\fR command is executed inside a Tcl procedure,
-it creates local variables
-linked to the corresponding namespace variables (and therefore these
-variables are listed by \fBinfo vars\fR.)
-In this way the \fBvariable\fR command resembles the \fBglobal\fR command,
-although the \fBglobal\fR command
-resolves variable names with respect to the global namespace instead
-of the current namespace of the procedure.
-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 EXAMPLES
-.PP
-Create a variable in a namespace:
-.PP
-.CS
-namespace eval foo {
-    \fBvariable\fR bar 12345
-}
-.CE
-.PP
-Create an array in a namespace:
-.PP
-.CS
-namespace eval someNS {
-    \fBvariable\fR someAry
-    array set someAry {
-        someName  someValue
-        otherName otherValue
-    }
-}
-.CE
-.PP
-Access variables in namespaces from a procedure:
-.PP
-.CS
-namespace eval foo {
-    proc spong {} {
-        # Variable in this namespace
-        \fBvariable\fR bar
-        puts "bar is $bar"
-
-        # Variable in another namespace
-        \fBvariable\fR ::someNS::someAry
-        parray someAry
-    }
-}
-.CE
-.SH "SEE ALSO"
-global(n), namespace(n), upvar(n)
-.SH KEYWORDS
-global, namespace, procedure, variable
-.\" Local variables:
-.\" mode: nroff
-.\" fill-column: 78
-.\" End: