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Re: Best way to detect font-lock mode is on?

From: Ilya Zakharevich
Subject: Re: Best way to detect font-lock mode is on?
Date: Fri, 14 Jan 2011 01:35:00 +0000 (UTC)
User-agent: slrn/ (Linux)

On 2011-01-13, Tim X <address@hidden> wrote:
>>> As you can see, I'm using font-lock-defaults to test whether font-lock
>>> is enabled.
>> No matter what is the test, your logic is not enough.  In cperl-mode,
>> I pepper all such functions with
>>    (cperl-update-fontification pos)
>> (sp?) so that lazy-locking is not playing time-sensitive tricks with
>> your logic.
> Thanks. Will have to give it some thought. The functions I showed above
> are not used to control font-locking - in fact, I'm using them to
> determine indentation information. The mode is derived from another mode
> that takescare of the font locking side of things. If I assume that mode
> has taken care of the font-lock issues, I expect the above would be
> sufficient. 


AFAIU, you think that the logic of delegation

  your mode --> some-other-mode --> text-property(font)-ification

is somehow sufficient to free you from caring about time-related
issues.  Wrong.  Given that WHATEVER-ication would usually (or often?)
run in a time-delayed hook can't be ignored.

Hope this helps,

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