Sharon Kimble <boudiccas@skimble.plus.com> writes:

Hi Sharon,

>> I think, this might do the trick (but I haven't tried it):
>>
>>   (setq gnus-treat-fill-article t)
>>
>> And it might break, e.g., ASCII art images, someone has in his mail.
>
> This works but breaks "boxquote-regions" and any "source-code blocks"
> unless enclosed with -
> ;--8<---------------cut here---------------start------------->8---
> ;--8<---------------cut here---------------end--------------->8---

Yes, that's what I've guessed.

> I've tried using "W w" on these regions or messages, but I'm not able
> to toggle it.

No, `W w' is no toggle.  It just word-wraps you article buffer and
doesn't remember how it looked unwrapped.  It's also always applied to
the complete message, i.e., you can't tell it to apply only to a region.

Bye,
Tassilo