Re: [Emacs-diffs] master b01a429: js--re-search-backward-inner: Fix infloop

[Eli Zaretskii <eliz@gnu.org>]

> Cc: emacs-devel@gnu.org
> From: Dmitry Gutov <dgutov@yandex.ru>
> Date: Sat, 2 Feb 2019 03:08:09 +0300
> 
> On 01.02.2019 10:28, Eli Zaretskii wrote:
> 
> > When was this issue introduced?
> 
> One could say it was in 77ab7f84550993b44550879e10cd917b7bf02d04 
> (2015-03-05) where support for multiline string literals was added, but 
> the code expecting the strings to be exactly single-line was not updated.
> 
> >> The bug was reported only recently, but it seems pretty annoying
> >> (infloop during indentation), and the fix is simple.
> > 
> > Taken at face value, it doesn't look simple: you are switching from
> > using 2 elements of what syntax-ppss returns to a 3rd one.  How do we
> > know this won't introduce other issues?  Maybe if you describe the
> > logic of the change, I will agree with you.
> 
> The purpose of the code is get out of the current literal. In the clause 
> that was changes, to go to the beginning of the enclosing string.
> 
> (goto-char (nth 8 parse)) is a reliable way to do that. The same 
> function does that for comments anyway.

OK, please backport this.

Thanks.