https://issues.apache.org/ooo/show_bug.cgi?id=121125

--- Comment #11 from Armin Le Grand <[email protected]> ---
ALG: The cleanup has to be done; thus calling render in some way is even
necessary when nothing is to be rendered. To trigger this, somehow in the
render call information has to be given for this special operation. There are
various alternatives to do that, checked with giving a special value as
nRenderer and reacting on it in the render implementation
(SwXTextDocument::render) by doing the needed cleanup. This works (I will add
example patch), but is a hack itself. To change the writer implementation to
work more clean if getRendererCount is used but render is not is not an
alternative, too complex to do.
There is another alternative; try to watch for the ViewShell which is deleted
already and causes the crash to be deleted and do the cleanup there. CHecking
this...

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