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-
-=head1 NAME
-
-Tk::TextUndo - perl/tk text widget with bindings to undo changes.
-
-=for pm Tk/TextUndo.pm
-
-=for category Derived Widgets
-
-=head1 SYNOPSIS
-
-S< >B<use Tk::TextUndo;>
-
-S< >I<$testundo> = I<$parent>-E<gt>B<TextUndo>(?I<-option>=E<gt>I<value>, ...?);
-
-=head1 DESCRIPTION
-
-This IS-A text widget with an unlimited 'undo' history but without
-a re'undo' capability.
-
-=head2 Bindings
-
-The C<TextUndo> widget has the same bindings as the L<Text|Tk::Text> widget.
-In addition there are the following bindings:
-
-=over 4
-
-=item Event <L4> <<Undo>>
-
-undo the last change. Pressing <L4> several times undo
-step by step the changes made to the text widget.
-
-=back
-
-=head2 Methods
-
-The C<TextUndo> widget has the same methods as C<Text> widget.
-Additional methods for the C<TextUndo> widget are:
-
-=over 4
-
-=item $text->Load($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.
-
-=item $text->Save(?$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.
-
-=item $text->FileName(?$otherfilename?)
-
-If passed an argument sets the file name associated with the loaded
-document. Returns the current file name associated with the document.
-
-=back
-
-=head1 KEYS
-
-widget, text, undo
-
-=head1 SEE ALSO
-
-L<Tk::Text>, L<Tk::ROText>
-
-=cut
-