Re: [Emacs-diffs] emacs-25 326ffcc: Allow line comments ending with escaped NL to be continued to the next line.

[Alan Mackenzie]

Hello, Stefan.

On Mon, Dec 28, 2015 at 11:14:36AM -0500, Stefan Monnier wrote:
> > -      /* Ignore escaped characters, except comment-enders.  */
> > -      if (code != Sendcomment && char_quoted (from, from_byte))
> > +      /* Ignore escaped characters, except comment-enders which cannot
> > +         be escaped.  */
> > +      if ((Vcomment_end_can_be_escaped || code != Sendcomment)
> > +          && char_quoted (from, from_byte))
> [...]
> >        if (code == Sendcomment
> >       && SYNTAX_FLAGS_COMMENT_STYLE (syntax, 0) == style
> >       && (SYNTAX_FLAGS_COMMENT_NESTED (syntax) ?
> > -         (nesting > 0 && --nesting == 0) : nesting < 0))
> > +         (nesting > 0 && --nesting == 0) : nesting < 0)
> > +          && !(Vcomment_end_can_be_escaped && char_quoted (from, 
> > from_byte)))

> Hmm... the way I read this, it would mean that

>         /*blabla\*/
                   ^
                   |
> will be treated as an unclosed comment.  Is that the way C defines it as well?

I've tried it, it's not the case.  The indicated * doesn't have
Sendcomment syntax, so the if statement doesn't trigger.

>         Stefan

-- 
Alan Mackenzie (Nuremberg, Germany).