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Re: bug#28405: Adding entries to LaTeX-indent-environment-list
From: |
Uwe Brauer |
Subject: |
Re: bug#28405: Adding entries to LaTeX-indent-environment-list |
Date: |
Wed, 02 Feb 2022 11:48:41 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) |
>>> "AE" == Arash Esbati <arash@gnu.org> writes:
Hi Arash
> Uwe Brauer <oub@mat.ucm.es> writes:
>> I am deeply puzzled now.
>>
>> 1. I like Keita's patch because it results in filling with a much
>> better indenting.
>>
>> 2. But, are you saying the price for this is that auto-filling is
>> disabled and I have to deal with very long equations myself? Why
>> is this so? I'd rather would like to have nice indentation and
>> auto-filling. Rational: more and more (No emacs) users use editor
>> that support virtual filling and that results in long equation.
>> It is true that virtual-auto-fill-mode (available in MELPA) is quite
>> good, but I still prefer good all breaks at 70 chars, and
>> therefore auto-fill-mode
> I'm not sure if we're talking about the same thing. Docstring of
> `LaTeX-indent-environment-list' says:
> ,----[ C-h v LaTeX-indent-environment-list RET ]
> | LaTeX-indent-environment-list is a variable defined in ‘latex.el’.
> |
> | Alist of environments with special indentation.
> | The second element in each entry is the function to calculate the
> | indentation level in columns.
> |
> | Environments present in this list are not filled by filling
> | functions, see ‘LaTeX-fill-region-as-paragraph’.
> |
> | You can customize this variable.
> |
> | Value:
> | (("verbatim" current-indentation)
> | ("verbatim*" current-indentation)
> | ("filecontents" current-indentation)
> | ("filecontents*" current-indentation)
> | ("tabular" LaTeX-indent-tabular)
> | ("tabular*" LaTeX-indent-tabular)
> | ("array" LaTeX-indent-tabular)
> | ("eqnarray" LaTeX-indent-tabular)
> | ("eqnarray*" LaTeX-indent-tabular)
> | ("displaymath")
> | ("equation")
> | ("picture")
> | ("tabbing"))
> `----
> and the one for `LaTeX-fill-region-as-paragraph' says:
> ,----[ C-h f LaTeX-fill-region-as-paragraph RET ]
> | LaTeX-fill-region-as-paragraph is an interactive native compiled Lisp
> | function in ‘latex.el’.
> |
> | (LaTeX-fill-region-as-paragraph FROM TO &optional JUSTIFY-FLAG)
> |
> | Fill region as one paragraph.
> | Break lines to fit ‘fill-column’, but leave all lines ending with
> | \\ (plus its optional argument) alone. Lines with code
> | comments and lines ending with ‘\par’ are included in filling but
> | act as boundaries. Prefix arg means justify too. From program,
> | pass args FROM, TO and JUSTIFY-FLAG.
> |
> | You can disable filling inside a specific environment by adding
> | it to ‘LaTeX-indent-environment-list’, only indentation is
> | performed in that case.
> |
> `----
> Now take this small example:
> \documentclass[a4paper]{article}
> \begin{document}
> \begin{equation}
> a
> a
> a
> a
> \end{equation}
> \end{document}
> %%% Local Variables:
> %%% mode: latex
> %%% TeX-master: t
> %%% End:
> Put the point inside the equation environment and hit 'M-q', nothing
> happens. When you type in material, there is a line-wrapping at
> `fill-column', but that's all.
> So basically this is what happens with Keita's patch: line-wrapping will
> happen when you enter math, but hitting 'M-q' later is disabled.
> Hitting 'TAB' will adjust the indentation of a line, but there is no
> filling. And there is a comment in `LaTeX-indent-environment-list':
Hm, here is a situation that you did not cover. I am not talking about
editing an equation, I am taking about filling a badly formatted equation
Suppose you have (or have a received) a file of that form
\documentclass[a4paper]{article}
\begin{document}
\begin{equation}
a = \left.\int very very long expression in one line\begin{array}
a
a
a
\end{equation}
\end{document}
So the equation is badly indented and consist of very long lines.
So I basically want LaTeX-fill-environment to indent the environment
correctly, and that thanks to the patch is no better, but I also want
long lines to be broken/wrapped
So far I have seen that I have to jump the end of long lines, press
space and the line is broken/wrapped, but this extra typing is not very
comfortable.
Did I explain this now better?
Regards
Uwe
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Re: bug#28405: Adding entries to LaTeX-indent-environment-list, Ikumi Keita, 2022/02/02
- Re: bug#28405: Adding entries to LaTeX-indent-environment-list, Arash Esbati, 2022/02/02
- Re: bug#28405: Adding entries to LaTeX-indent-environment-list, Ikumi Keita, 2022/02/03
- [a new bug? concerning indenting] (was: bug#28405: Adding entries to LaTeX-indent-environment-list), Uwe Brauer, 2022/02/08
- Re: [a new bug? concerning indenting] (was: bug#28405: Adding entries to LaTeX-indent-environment-list), Ikumi Keita, 2022/02/09
- Re: [a new bug? concerning indenting], Uwe Brauer, 2022/02/09
- Re: [a new bug? concerning indenting], Ikumi Keita, 2022/02/09
- Re: [a new bug? concerning indenting], Uwe Brauer, 2022/02/09