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Re: Font-lock should ignore missing submatches
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From: |
Chong Yidong |
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Subject: |
Re: Font-lock should ignore missing submatches |
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Date: |
Mon, 04 Feb 2008 00:12:19 -0500 |
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User-agent: |
Gnus/5.11 (Gnus v5.11) Emacs/22.1.90 (gnu/linux) |
Jorgen Schaefer <forcer@forcix.cx> writes:
> When using font-lock-mode to highlight complex expressions, the
> font locking engine crashes when one of the subexpressions
> specified was not matched.
The engine doesn't "crash"; it signals an error, and Emacs continues
to function. This is the intended behavior.
> Is there any chance to make font-lock just ignore unmatched
> subexpressions?
Yes. See the LAXMATCH option in the node Customizing Keywords in the
Emacs Lisp Reference Manual.