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+'\"
+'\" Copyright (c) 2004 Joe English
+'\"
+.so man.macros
+.TH ttk_radiobutton n 8.5 Tk "Tk Themed Widget"
+.BS
+.SH NAME
+ttk::radiobutton \- Mutually exclusive option widget
+.SH SYNOPSIS
+\fBttk::radiobutton\fR \fIpathName \fR?\fIoptions\fR?
+.BE
+.SH DESCRIPTION
+\fBradiobutton\fR widgets are used in groups to show or change
+a set of mutually-exclusive options.
+Radiobuttons are linked to a Tcl variable,
+and have an associated value; when a radiobutton is clicked,
+it sets the variable to its associated value.
+.SO
+\-class	\-compound	\-cursor	\-image
+\-state	\-style	\-takefocus	\-text
+\-textvariable	\-underline	\-width
+.SE
+.SH "WIDGET-SPECIFIC OPTIONS"
+.OP \-command command Command
+A Tcl script to evaluate whenever the widget is invoked.
+.OP \-value Value Value
+The value to store in the associated \fI-variable\fR 
+when the widget is selected. 
+.OP \-variable variable Variable
+The name of a global variable whose value is linked to the widget.
+Default value is \fB::selectedButton\fP.
+.SH "WIDGET COMMAND"
+In addition to the standard 
+\fBcget\fR, \fBconfigure\fR, \fBinstate\fR, and \fBstate\fR 
+commands, radiobuttons support the following additional
+widget commands:
+.TP
+\fIpathname\fR invoke
+Sets the \fI-variable\fR to the \fI-value\fR, selects the widget,
+and evaluates the associated \fI-command\fR.  
+Returns the result of the \fI-command\fR, or the empty
+string if no \fI-command\fR is specified.
+.\" Missing: select, deselect.  Useful?
+.\" Missing: flash.  This is definitely not useful.
+.SH "WIDGET STATES"
+The widget does not respond to user input if the \fBdisabled\fP state is set.
+The widget sets the \fBselected\fP state whenever 
+the linked \fB-variable\fP is set to the widget's \fB-value\fP,
+and clears it otherwise.
+The widget sets the \fBalternate\fP state whenever the 
+linked \fB-variable\fP is unset.  
+(The \fBalternate\fP state may be used to indicate a ``tri-state'' 
+or ``indeterminate'' selection.)
+.SH "SEE ALSO"
+widget(n), keynav(n), checkbutton(n)
+.SH "KEYWORDS"
+widget, button, option