GNU bug report logs - #23569
thing-at-point, source of slowness

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Andreas Röhler <andreas.roehler <at> easy-emacs.de>
To: bug-gnu-emacs <at> gnu.org
Subject: thing-at-point, source of slowness
Date: Wed, 18 May 2016 09:59:41 +0200

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in thingatpt.el:

;; The function bounds-of-thing-at-point finds the beginning and end
;; positions by moving first forward to the end of the "thing", and then
;; backwards to the beginning.

;;;;;;;

Also *bounds-of-thing-at-point jumps to-and-fro, doing some sanity check 
every time.

Suggest to jump ***first *at the beginning, as backward move might be slow.

Avoid to-and-fro, deliver tests instead, so first try will be reliable 
or return nil.
*

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