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bug#15117: 24.3.50; doc of `(forward|backward)-*': state return value

From: Stefan Monnier
Subject: bug#15117: 24.3.50; doc of `(forward|backward)-*': state return value
Date: Mon, 10 Feb 2014 23:01:56 -0500
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux)

>> > These are NOT side-effect functions.  They modify nothing except
>> > the cursor position.
>> How is that not a side-effect?
> You are clearly arguing for the sake of arguing, now.

Not at all.

> Motion functions are not what is typically meant by a side-effect
> function.

Says you.  For me (and most definitions of side-effects I've ever seen),
a side-effecting function is something like a function where the calls
can't simply be replaced by their return value.


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