On Sat, Dec 28, 2019 at 12:32 AM Tom M <[email protected]> wrote:

> Hi,
>
> the docs state (:help syn-multi-line) that syntax highlighting with
> multi-line patterns "mostly works as expected".  I am not sure if this
> "mostly" includes automatic highlighting change of a multi-line syntax
> group when it's modified. Especially as soon as the pattern's end is
> destroyed. For example, take the commands of a session file ~/tmp/s.vim:
>
> call append(0, ['( comment?', ')'])syntax sync fromstarthi link m 
> Commentsyntax match m /(.*\n)/
>
> They give us two lines highlighted as a comment (:hi Comment):
>
> ( comment?)
>
> Now, let's change the ')' into an 'x' via "2gg0rx". The test in the two
> lines does not match the defined syntax group anymore. But the display does
> not reflect this change right away. Instead I get something that's
> displayed partly as a comment (line 1) and partly as normal text (line 2):
>
> ( comment?)
>
>  Typo here. This last screen looks, of course, like this:

( comment?x

Sorry for the confusion.

Tom

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