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Re: Possible bug in `match-string` in

From: Stefan Monnier
Subject: Re: Possible bug in `match-string` in
Date: Mon, 26 May 2014 13:45:25 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4.50 (gnu/linux)

>> These are 4 separate expressions.  How do you run them?
> i was playing around in *scratch*, to test out various regular
> expressions on my data, and did a C-x C-e after each line.

C-x C-e itself might overwrite the match data while looking at the
buffer to decide what to evaluate.  And after running that command, tons
of other code is run, such as post-command-hook, process-filters,
timers, pre-redisplay-function and whatnot, all of which will gladly
overwrite the match-data.


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