Subject: Re: bug#21871: Emacs Lisp Mode (at least): spurious parens in column 0 don't get bold red highlighting.

From: Alan Mackenzie <[email-masked]>
Date: 12 Nov 2015 18:54:24 -0000

In article <[email-masked]> you wrote:
> On Thu, Nov 12, 2015 at 11:36:55AM -0500, Glenn Morris wrote:
>> Alan Mackenzie wrote:

>> > Thinking about it, this is surely a bug in the documentation.

>> I disagree, since it works as documented in Emacs 24.3.
>> It seems to have been broken since 24.4.

> Thanks for that tip.  The code for it (in font-lock-compile-keywords) is
> still there, but somehow one of a list of conditions which prevent it
> being activated has become set.

> I'm looking into it.

The fix to bug #16247 meant no longer setting syntax-begin-function to a
non-nil value.  This is the condition which used to cause the appropriate
font-lock-keywords form to get added to lisp-font-lock-keywords-1/2.  It
no longer is.

-- 
Alan Mackenzie (Nuremberg, Germany).