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Re: Default behaviour of RET.

From: Stefan Monnier
Subject: Re: Default behaviour of RET.
Date: Fri, 18 Oct 2013 15:52:22 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux)

>> > The traditional docstring says that it moves to the left margin and
>> > handles auto-filling.  Eli's suggestion of `(insert "\n")' doesn't do
>> > that, and it's not what `newline' does when corrupted by
>> > `electric-shock-mode'.  But I think it's useful behavior, and I think
>> > programs should be able to rely on it (as opposed to users who can
>> > modify the behavior of `One-Flew-Over-the-Cuckoos-Nest-mode' by
>> > removing ?\n, or not invoke the mode in the first place).
>> I can't remember ever seeing a piece of code which wants "the Emacs-23
>> newline behavior".  Usually it either wants to (insert "\n") or it wants
>> to simulate hitting RET.
> I gave an example of such code in the post which opened this thread.  To
> recap:

> (newline)
> (insert "(vi)")
> (fill-paragraph)

> The `-and-indent' behaviour messes up the indentation of "(vi)" and
> causes it to get re-attached to the previous paragraph.

I see why the above doesn't want the "simulate RET" behavior.
But I don't see why it wouldn't work just fine with the (insert
"\n") behavior?

>> This discussion would benefit from actual examples of code that
>> fall into neither "do whatever RET does" nor "insert \n".
> See above.  Any code which is interested in filling (or, possibly, even
> margins, if anything actually uses these) will get broken by the
> `-and-indent'.

"any code which..." is not concrete.


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