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Re: Macro to exclude from filling

From: Arash Esbati
Subject: Re: Macro to exclude from filling
Date: Mon, 22 Nov 2021 14:19:22 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50

Ikumi Keita <> writes:

>>>>>> Arash Esbati <> writes:
> Oh, I didn't know \tabularnewline. Thanks.

Sure, welcome.  And while we're at it, I add fontification support for
the macro to AUCTeX repo.

>> I think we should treat \tabularnewline like \\ and \newline and
>> \linebreak like \par.  Does it make sense?
> Well, I'm still not sure the reason why \par and \\ are treated
> specially, so I can't provide reliable answer for \\ v.s. \newline and
> \tabularnewline. (Maybe Ralf has answer.)
> With respect to \par v.s. \linebreak, I guess that the reason why \par
> is exceptional is that \par is supposed to end a paragraph and usually
> comes at the end of line, without a following empty line. Emacs built-in
> facility to recognize paragraphs (namely, `paragraph-start' and
> `paragraph-separate') cannot deal with such construct, so
> `LaTeX-fill-region-as-paragraph' pays special attention to it, I think.
> On the other hands, \linebreak just tells LaTeX that "I ask (or allow,
> depending on the value of its optional argument) to break line here" and
> does not mean the end of the paragraph.
> Thus I don't think it's reasonable to treat \linebreak like \par.

Fine with me :-)

>>> On the other hands, it may be make sense to include lines ending with
>>> \\ in filling outside such environments.
>> You mean check the current environment every time during filling?
> That's the reason I inserted "may" ;-)

As you know, LaTeX-current-environment might become expensive on large
buffers, hence my question.

Best, Arash

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