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From: Marcin Borkowski <mbork@wmi.amu.edu.pl>
To: help-gnu-emacs@gnu.org
Subject: Re: Help with font-lock-add-keywords
Date: Fri, 13 Mar 2015 15:52:06 +0100	[thread overview]
Message-ID: <87mw3h9ch5.fsf@wmi.amu.edu.pl> (raw)
In-Reply-To: <a023c5e1-c120-4afd-bdc7-eaefd823d537@default>


On 2015-03-13, at 15:37, Drew Adams <drew.adams@oracle.com> wrote:

>> Emacs tried to evaluate the unquoted (and undefined) symbol in the midst
>> of fontifying, so there as an error and the fontifying routine crashed.
>> (Just my suspicion, but seems reasonable.)
>
> In general, errors that occur during font locking are swallowed, on
> purpose.  Font lock is pretty much an invisible, background genie that
> does its thing whenever it feels like it, independently of what else
> you might think is going on.
>
> It would generally be inappropriate for such an error to be raised,
> so font lock just gives up at that point, instead of raising it.

Of course.  Still, this seems to explain the behavior I saw.

Best,

-- 
Marcin Borkowski
http://octd.wmi.amu.edu.pl/en/Marcin_Borkowski
Faculty of Mathematics and Computer Science
Adam Mickiewicz University



  reply	other threads:[~2015-03-13 14:52 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-13  3:20 Help with font-lock-add-keywords Marcin Borkowski
2015-03-13  3:47 ` Michael Heerdegen
2015-03-13  6:39   ` Marcin Borkowski
2015-03-13 12:31     ` Robert Thorpe
2015-03-13 14:37     ` Drew Adams
2015-03-13 14:52       ` Marcin Borkowski [this message]
     [not found] <mailman.1931.1426216826.31049.help-gnu-emacs@gnu.org>
2015-03-13  3:33 ` Emanuel Berg
2015-03-13  3:46   ` Marcin Borkowski

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