Qtc.Gui.QUndoStack</FONT
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>Documentation</TD
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><TD CLASS="decl"
><SPAN CLASS="keyword"
>class</SPAN
>  <A NAME="t:QqUndoStack"
><A NAME="t%3AQqUndoStack"
></A
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><B
>QqUndoStack</B
> x1  <SPAN CLASS="keyword"
>where</SPAN
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