Ingo Karkat wrote:
> >> I've noticed a regression:
> >>
> >> :s/.*/\="foo\nbar"/
> >>
> >> This correctly replaces the current line with two lines containing "foo"
> >> and "bar", respectively. Now add the confirm flag, and accept the
> >> replacement:
> >>
> >> :s/.*/\="foo\nbar"/c
> >>
> >> This replaces the current line with a single line containing "foo^@bar"
> >> (where ^@ is <Nul>). This is inconsistent and unexpected. Replacing with
> >> \r instead works (with and without the flag), and can be used as a
> >> workaround.
> >>
> >> Using the attached scriptlet, I've bisected this to the following patch:
> >>
> >> ,----[ bad change ]----
> >> | 7.3.225 "\n" in a substitute() inside ":s" not handled correctly
> >> `----
> >>
> >> The problem therefore can be seen in this and all following Vim
> >> versions, verified up to the latest 7.4.258. (I've used a HUGE build on
> >> both Windows/x64 and Linux/x64.)
> >
> > I cannot reproduce this problem.
>
> Ah, sorry, I missed one crucial detail of my environment (and forgot to
> use -N -u NONE). In my 'statusline', I have a custom function that
> performs a =~ comparison. Define the following:
>
> function! TitleString()
> let check = 'foo' =~ 'bar'
> return ""
> endfunction
> set titlestring=%{TitleString()}
>
> Then, the
>
> :s/.*/\="foo\nbar"/c
>
> command will produce the ^@. So the =~ (probably triggered while the
> confirm flag is in action) somehow affects the behavior of :substitute.
>
> Attached is an updated scriptlet.
Thanks, now I see the problem. I'll use that script to create a test
from.
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