bug#21449: Emacs lisp mode: incorrect fontification of symbols containing escaped characters.

[Alan Mackenzie]

Hello, Stefan.

On Wed, Sep 09, 2015 at 11:30:31PM -0400, Stefan Monnier wrote:
> > one too.  It feels like there really ought to be some major mode
> > dependent flag saying whether or not escaped characters are valid in
> > identifiers.  They are in Emacs lisp, but they're not in C.

> You mean like words-include-escapes?

Is there any objection to me installing the patch to lisp-mode.el?

It inserts "\\|\\\\." into each font-locking regexp which contains a bit
looking like "(?:\\sw\\|\\s_", so that escaped characters will be picked
up.  There are no other changes.

I think it unlikely this will do any damage.

>         Stefan

-- 
Alan Mackenzie (Nuremberg, Germany).