Am 2014-10-20 23:29, schrieb LCD 47:
On 20 October 2014, Christian Brabandt <[email protected]> wrote:
On Fr, 17 Okt 2014, LCD 47 wrote:
> Namely, compare the effect of:
>
> set beval bexpr=['foo']
>
> to the effect of:
>
> set beval bexpr='foo'
>
> This happens because general_beval_cb() in gui_beval.c calls
> eval_to_string() to evaluate 'balloonexpr', and that function adds the
> trailing "\n". I don't see any non-intrusive fix to this.
I only have a "relative old" version of 7.4 for Windows to check, but
there I didn't see a difference between
:set beval bexpr=['foo']
and
:set beval bexpr='foo'
Perhaps someone else with a more recent version can verify?
eval_to_string() has changed in 7.3.272 to add a trailing newline,
Yes, I remember there was a patch that changed that. But wasn't sure,
this was after 7.4 or earlier.
all other relevant pieces are essentially unchanged. If you don't see
any difference it might be because whatever it is on your Windows that
is used to display tooltips doesn't support multiline balloons. The
problem is definitely reproducible on UNIX; I'd post a snapshot, but
I'm
not sure how to take one that includes the balloons.
It does (also has("balloon_multiline") evals to 1).
At least setting balloonexpr=['foo', 'bar'] works. While neither this:
:set balloonexpr='foo\n' (displays (foon)
nor this:
:set balloonexpr="foo\n" (doesn't show up at all)
I also just saw my Vim 7.4 just crash when trying something like set
ballonexpr="foo\nbar"
but can't seem to reproduce this.
BTW: can't we just check, if balloonexpr is a list with a non-empty last
element and if so, strip the
final '\n'?
Best,
Christian
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