goj...@gmail.com writes:
> I noticed that both fill-paragraph and LaTeX-fill-paragraph, called on a
> paragraph that contains "\( ... \)" inline math, will break lines after each
> "\)", except those on the last line. For example ("*" indicates where lines
> break, in case formatting is lost via email);
>
> blah blah blah \(blah\)*
> blah \(blah\)*
> blah blah blah blah blah blah blah blah blah blah blah blah blah blah*
> blah blah \(blah\)*
> blah blah blah blah blah blah blah blah blah blah blah blah blah blah*
> blah blah blah blah \(blah\) blah \(blah\) blah.
>
> Weird behaviour, it appears also launching Emacs with the --no-init-file
> option.
>
> Can you reproduce this? If so, is this to be considered a bug of fill.el or
> auctex?
Well, this is actually a feature:
,----[ C-h v LaTeX-fill-break-at-separators RET ]
| LaTeX-fill-break-at-separators is a variable defined in ‘latex.el’.
| Its value is (\\\( \\\) \\\[ \\\])
|
| Documentation:
| List of separators before or after which respectively a line
| break will be inserted if they do not fit into one line.
`----
,----[ (info "(auctex)Filling") ]
| -- User Option: LaTeX-fill-break-at-separators
| List of separators before or after which respectively linebreaks
| will be inserted if they do not fit into one line. The separators
| can be curly braces, brackets, switches for inline math ('$', '\(',
| '\)') and switches for display math ('\[', '\]'). Such formatting
| can be useful to make macros and math more visible or to prevent
| overfull lines in the LaTeX source in case a package for displaying
| formatted TeX output inside the Emacs buffer, like preview-latex,
| is used.
`----
The "if they do not fit into one line" part is a bit unclear. But I
think it means that a newline is inserted before \( if the formula is
longer than what's still fitting into the current line, and a newline is
inserted after \) when the remainder of the paragraph doesn't fit on the
current line anymore. Well, that second case seems dubious to me. I
don't understand why one would like to have that.
Bye,
Tassilo
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