Re: font-lock is broken

[Bill Wohler]

Stefan Monnier <address@hidden> writes:

>> Make a buffer with this content:
>
>> In-reply-to: "foo bar" of Fri, 15 Jul 2005 20:31:33 EDT
>> --------
>
>> (2 lines only)
>> Then
>> M-x mh-letter-mode
>> M-x font-lock-fontify-buffer
>
>> You get:
>> font-lock-default-fontify-region: Wrong type argument: number-or-marker-p, 
>> nil
>
> This is introduced by my recent change to font-lock.el which checks that we
> do not get stuck in an empty match.  Problem is that it bumps into a minor
> bug in mh-font-lock-field-data:
>
>    (defun mh-font-lock-field-data (limit)
>      ...
>          (if (and field (mh-letter-skipped-header-field-p field))
>              (set-match-data nil)
>            (set-match-data (list data-begin data-end data-begin data-end)))
>          (goto-char (if (equal point data-end) (1+ data-end) data-end))
>          t)))
>
> As you can see, this function sometimes returns non-nil (i.e. it says it's
> found a match) but with no begin/end of match 0.

Thanks for pointing this out. That should make it easy for us to fix.

-- 
Bill Wohler <address@hidden>  http://www.newt.com/wohler/  GnuPG ID:610BD9AD
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