Am Dienstag, 27. Dezember 2016 um 17:11:20, schrieb Scott Kostyshak 
<skost...@lyx.org>
> On Tue, May 31, 2016 at 01:15:38AM +0200, Guillaume Munch wrote:
> > commit 1cc14a31ca8320d881b674f93c34a09cf1666cca
> > Author: Guillaume Munch <g...@lyx.org>
> > Date:   Mon May 30 21:42:08 2016 +0100
> > 
> >     TocWidget: fix an erroneous collapse and optimise updates based on 
> > profiling
> >     
> >     TocModels::reset() in GuiView::structureChanged() collapses the 
> > TocWidget, and
> >     therefore requires an update right after, which was missing.
> >     
> >     In fact, profiling TocWidget::updateView() shows that delaying the 
> > update is
> >     good only for fast keypresses (essentially movement). It costs 5% of a
> >     char-forward operation in a document with approx. 100 table of contents
> >     items. The update optimisation has been rewritten to take this data into
> >     account.
> 
> A git bisect suggests this causes a SIGSEGV. To reproduce:
> 
> 1. open the attached file
> 2. open the outline pane
> 3. put the cursor just to the left of "Hello" (but inside the caption inset)
> 4. "Save As" to a new filename.
> 
> Can you reproduce?

Yes.

> Backtrace is attached.
> 
> Scott

        Kornel

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