NAME

       Tk::TextUndo - perl/tk text widget with bindings to undo changes.

SYNOPSIS

           use Tk::TextUndo;

           $testundo = $parent->TextUndo(?-option=>value, ...?);

DESCRIPTION

       This IS-A text widget with an unlimited 'undo' history but without a re'undo' capability.

   Bindings
       The "TextUndo" widget has the same bindings as the Text widget.  In addition there are the
       following bindings:

       Event <L4> <<Undo>>
           undo the last change.  Pressing <L4> several times undo step by step the changes made
           to the text widget.

   Methods
       The "TextUndo" widget has the same methods as "Text" widget.  Additional methods for the
       "TextUndo" widget are:

       $text->Load($filename);
           Loads the contents of the $filename into the text widget. Load() delete the previous
           contents of the text widget as well as it's undo history of the previous file.

       $text->Save(?$otherfilename?)
           Save contents of the text widget to a file. If the $otherfilename is not specified,
           the text widget contents writes the file of $filename used in the last Load() call.
           If no file was previously Load()'ed an error message pops up.  The default filename of
           the last Load() call is not overwriten by $otherfilename.

       $text->FileName(?$otherfilename?)
           If passed an argument sets the file name associated with the loaded document. Returns
           the current file name associated with the document.

KEYS

       widget, text, undo

SEE ALSO

       Tk::Text, Tk::ROText