Yep, it's still slow with "-u NONE -N". It seems to vary quite a bit from file to file. The way I reproduce is to just hold down PgDn for a few seconds. It's fine for unaffected versions, but stutters for about half a second in 362. For some reason most vim files aren't too bad for it. src/options.c hangs for about a second for me a few screens down.
Dominique, for some reason the problematic match doesn't even show up in ":syntime report". Looks like a useful troubleshooting tool in general, though.
David
On Sun, Aug 10, 2014 at 9:23 AM, Dominique Pellé <dominique.pelle@gmail.com> wrote:
David Barnett wrote:Hi David
> Looks like it's patch 7.4.362:
>
> Problem: When matchaddpos() uses a length smaller than the number of
> bytes
> in the (last) character the highlight continues until the end of
> the line.
> Solution: Change condition from equal to larger-or-equal.
> Files: src/screen.c
>
>
> It's a very small change but apparently problematic. Can it be reverted or
> rethought?
>
> David
Have a look at ":help :syntime". It's a new Ex command
introduced in Vim-7.4 which is useful to analyze why
syntax highlighting is slow.
Regards
Dominique
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