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Re: Unbalanced change hooks (part 2)

From: Stefan Monnier
Subject: Re: Unbalanced change hooks (part 2)
Date: Sun, 31 Jul 2016 17:59:32 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1.50 (gnu/linux)

>> I fully agree that if you only use before-change-functions (or only use
>> after-change-functions), your hook function should see *all* changes.
> The change in question is a replacement.  Emacs implements
> replacements by a deletion followed by an insertion.  The question is:
> do we need to call the before-change-functions for both the deletion
> and the insertion, or do we need to call them only once for the
> "replacement"?

Either way is fine, according to my interpretation of "should see *all*


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