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Re: read-from-minibuffer & match data


From: Stefan Monnier
Subject: Re: read-from-minibuffer & match data
Date: Tue, 18 Dec 2012 19:48:47 -0500
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux)

> I've put a save-match-data into the function to solve the issue, but I'd
> just like to make sure this isn't a bug in emacs.

No, you've just been lucky until now.  The general rule is that any
function is liable to thrash the match-data, except for some exceptions,
most of which are primitives such as car/cdr/aset/aref, match-string,
etc...


        Stefan




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