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problem with font lock


From: Jose A. Ortega Ruiz
Subject: problem with font lock
Date: Fri, 15 Jan 2010 13:14:09 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1.91 (gnu/linux)

hi,

i'm experiencing an intermittent problem with font lock that i don't
know how to debug (this is emacs 23.1.91 packaged for debian). every now
and then, font lock just stops working in most (but not all) of the
buffers: the extant colors remain, but new text is not coloured at all
(e.g., if i comment a line out, the line's text retains its initial
faces instead of switching to the comment face). as i said, i haven't
found a way to reproduce this behaviour deterministically, and when it
starts happening i don't see any error message around. so my question
is: what would you recommend to look at when i enter this state, so that
i can submit a useful bug report?

thanks!
jao





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