Christian Brabandt wrote:
> Hi Ein!
>
> On Fr, 24 Mai 2013, Ein Brown wrote:
>
> > Hi, I have encountered a bug where my folds become 'corrupted' and
> > unrecognized by vim. I looks like this is caused by using :move on a
> > closed fold under the right circumstances.
> >
> > The SO question has more details:
> > http://stackoverflow.com/questions/16592654/in-vim-why-is-move-randomly-corrupting-my-folds
> >
> > at the bottom of the SO question (under 'edit') I explain ways to run into
> > the bug without the Alt-Up / Alt-Down mapping.
>
> I just saw the problem yesterday. Here is an simpler example of the bug:
> #v+
> chrisbra@R500 % cat foldmarker_bug.txt
> vim: fdm=marker
>
>
>
> fold A {{{
> some
> text
> here
> }}}
> fold B {{{
> some
> text
> here
> }}}
> fold C {{{
> some
> text
> here
> }}}
> fold D {{{
> some
> text
> here
> }}}
> chrisbra@R500 vim -u NONE -N foldmarker_bug.txt
> :10
> :4m
> #v-
>
> Note, that the fold B stays open and it is not possible to close
> it. Debugging it with gdb, you'll find, that wp->w_folds get invalid
> (e.g. is out of order).
>
> I think this patch fixes it.
[...]
Thanks.
> BTW: I think, there is also an error in fold.c:
[...]
Yep.
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