Re: Help with font-lock-add-keywords

[Marcin Borkowski]

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