[emacs-berlin] gnus "cut here" code snippets

[Dieter Klünter]

Dieter Kluenter <dieter at dkluenter.de> writes:

> Hi,
> Boxquote.el might be of help.
>
> -Dieter
>
> Gesendet mit BlueMail 
> Am 26. März 2023, um 14:05, jman <emacs-berlin at city17.xyz> schrieb:
>
>  hey!
>
> I was looking again at one of the last email from Michael in this
> list[0], there is a special marker for code snippets that gnus
> recognizes and applies a special coloring (a "face", I guess?).
>
> So, the command is `message-mark-inserted-region` (C-c M-m), described
> as "Mark some region in the current article with enclosing tags."
>
> --8<---------------cut here---------------start------------->8---
> whatever goes inside here will appear different, right?
> --8<---------------cut here---------------end--------------->8---
>
> I was curious, so I've tried hacking this long marker string
> (`message-mark-insert-begin` and `message-mark-insert-end`), can it be
> made shorter?
>
> If I am not wrong this is defined by a regexp in mm-ul.el:
>
> --8<---------------cut here---------------start------------->8---
> (message-marks
>      ;; Text enclosed with tags similar to `message-mark-insert-begin' and
>      ;; `message-mark-insert-end'.  Don't use those variables to avoid
>      ;; dependency on `message.el'.
>      "^-+[8<>]*-\\{9,\\}[a-z ]+-\\{9,\\}[a-z ]+-\\{9,\\}[8<>]*-+$"
>      "^-+[8<>]*-\\{9,\\}[a-z ]+-\\{9,\\}[a-z ]+-\\{9,\\}[8<>]*-+$"
>      ,(lambda () (mm-uu-verbatim-marks-extract 0 0 1 -1))
>      nil)
> --8<---------------cut here---------------end--------------->8---
>
> Which translated to English should be:
> 1. one "-" optionally followed by one "8" and one of "<" or ">"
> 2. nine times "-"
> 3. one alphabetic string (or space)
> 4. nine times "-"
> 5. one alphabetic string (or space)
> 6. nine times "-"
> 7. optionally one "8" and one of "<" or ">"
> 8. a closing "-"
>
> and this leads me to think that these delimiters ...
>
> ----------s---------s----------
> ... can be reduced to this, but not any further, right?
> ----------e---------e----------
>
> Wow, 47% of the original length! I'm sure this will save some trees when
> sending emails around! :D
>
> Anyway, it was fun digging into this completely useless thing and
> customize my own shorter snippet message markers :)
>
> happy hacking!
>
> [0]: https://mailb.org/pipermail/emacs-berlin/2023/000997.html
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-- 
Dieter Klünter | Systemberatung
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