Christian Brabandt wrote:
> On Mo, 25 Aug 2014, Grüner Gimpel wrote:
>
> > I noticed another issue concerning 'listchars' and 'linebreak', and
> > it's also a regression bug from patch 353, but it isn't solved until
> > now (version 7.4.417).
> >
> > The issue is that under complicated circumstances, parts of a line
> > disappear.
> > Steps to reproduce:
> > 1. make sure your Vim is build with the conceal feature enabled
> > 2. vim -u test_vimrc test_file
> > 3. move the cursor up and down and notice that in the second line the
> > "bla" disappears when the cursor is in line 1
> >
> >
> > The relevant files are here:
> > https://gist.github.com/EinfachToll/1868b299ce97af614729
>
> Oh, I hadn't expected that touching the 'linebreak' code would
> mess with concealing. Yeah, now I see the problem and I am actually
> surprised this didn't crash.
>
> Thanks for the clear example. The attached patch should fix it
> (and contains a test).
Thanks.
Note that I also fixed a problem in the linebreak test: It relied on the
intialization being skipped. The window width was set to 20, but the
default minimal width is also 20. Setting the minimal width to 10 fixed
that. Took me a long time to figure out the reason the new test was
failing was because of the missing initialization.
Anyway, for those who keep statistics: Adding a new feature is bound to
introduce a few bugs...
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