GNU bug report logs - #15045
Point jumps inappropriately around time of Semantic lexing

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From: Stefan Monnier <monnier <at> IRO.UMontreal.CA>
To: Barry OReilly <gundaetiapo <at> gmail.com>
Cc: Eli Zaretskii <eliz <at> gnu.org>, 15045 <at> debbugs.gnu.org, David Engster <deng <at> randomsample.de>, "Eric M. Ludlam" <eric <at> siege-engine.com>
Subject: bug#15045: Point jumps inappropriately around time of Semantic lexing
Date: Thu, 08 Aug 2013 17:26:50 -0400

> If arbitrary timers can execute during the lexer's call to
> accept-process-output or input-pending-p, then doesn't that mean
> jit-lock-deferred-fontify can run too?

Yes.

> If removing timers' sit-for calls is the solution,

It's a workaround.

> then what's to become of jit-lock-deferred-fontify's call to sit-for?
> Doesn't deferred jit locking necessarily have to call redisplay?

Yes, tho I guess if absolutely needed, we could probably arrange for
jit-lock-deferred-fontify not to call sit-for.  I'm not completely sure
how that could work, but it doesn't sound impossible.


        Stefan

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