Bug#400771: Syntax highlighting causes Vim to hang

[James Vega]

On Mon, Jun 18, 2007 at 10:50:24PM +0200, Bram Moolenaar wrote:
> > Given the attached Makefile.am, it is possible to get Vim to hang in an
> > infinite loop while doing syntax highlighting.  This seems to be
> > dependant on the height of the Vim window as I am able to reproduce it
> > with 'lines' set to certain values but not others.
> > 
> > vim -u NONE Makefile.am
> > :set lines=3D24
> > :set ruler  (not necessary but it is useful to see what line the cursor
> >              is on when Vim starts to hang)
> > :setf automake
> > :syn on
> > j   (press and hold until you reach the end of the file, using G will
> >      not work)
> > k   (press and hold until Vim hangs or you reach the top of the file.
> >      If Vim did not hang, repeat the previous and current steps.  This
> >      reliably hangs for me when the cursor gets to line 38)
> > 
> > You are able to press <C-c> to break out of the loop that Vim is in but
> > moving around via j/k is more likely to cause the hang now.
> 
> I can reproduce it.  Looks like a hang or very slow pattern matching in
> the syntax syncing stuff.  One more for the todo list.

This looks to be fixed by patch 7.1.227.

James
-- 
GPG Key: 1024D/61326D40 2003-09-02 James Vega <jamessan at debian.org>
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