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

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From: David Engster <deng <at> randomsample.de>
To: Stefan Monnier <monnier <at> IRO.UMontreal.CA>
Cc: Eli Zaretskii <eliz <at> gnu.org>, Barry OReilly <gundaetiapo <at> gmail.com>, 15045 <at> debbugs.gnu.org, "Eric M. Ludlam" <eric <at> siege-engine.com>
Subject: bug#15045: Point jumps inappropriately around time of Semantic lexing
Date: Thu, 08 Aug 2013 20:13:23 +0200

Stefan Monnier writes:
>>   sit-for(0)
>>   display-time-event-handler()
>>   apply(display-time-event-handler nil)
>>   byte-code("[snipped]" [timer apply 5 6] 4)
>>   timer-event-handler([t 20995 27860 0 60 display-time-event-handler nil nil 0])
>>   accept-process-output()
>>   semantic-c-lexer(2886 7946 nil nil)
>
> Right, that would do it.
> What happens if you remove the calls to sit-for from time.el?

I would have thought that the time in the mode-line does not get updated
when Emacs is idle, but that does still work. So I've no idea why the
sit-for is there.

-David

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