To anyone interested in tracking this behavior, here's what I can say for
now.

Filling list in the given example changes* from tag 'release_8.0.7' to tag
'release_8.1'*.

I keep you updated. Have a nice day,

2015-11-27 19:15 GMT+01:00 John Hendy <jw.hendy@gmail.com>:

> Whoops! I swore when I tested that it filled the lists, but you're
> right! Hmm. Just sent a follow-up to the list clarifying that this did
> *not* work, as well as including a link where it turns out I actually
> asked the same thing some 2 years ago! Hope someone chimes in to help
> you out. I definitely would like to use something like this, as when I
> edit lists in my work reports/presentations, I mess up the nicely
> filled original wrapping behavior and I'd like to tidy it back up.
>
>
> John
>
> On Fri, Nov 27, 2015 at 11:54 AM, Steve Moreau <moreau.steve@free.fr>
> wrote:
> > Hi John,
> >
> > Thanks for your answer.
> > You made me discover the auto-fill hook and it works fine both in
> paragraphs
> > and list whatever the number of nested level (list entries).
> > But, if I select all the block and run fill-region (let say after a
> > copy/paste), only the paragraphs are properly filled in my case.
> > I guess it's worth getting a deeper look at the source code. Keep you
> > updated.
> >
> >
> >
> > 2015-11-27 18:32 GMT+01:00 John Hendy <jw.hendy@gmail.com>:
> >>
> >> On Fri, Nov 27, 2015 at 10:56 AM, Steve Moreau <moreau.steve@free.fr>
> >> wrote:
> >> > Hi,
> >> >
> >> > Moving from old org-mode versions (6.33 or 7.9.3f-17-g7524ef) to the
> >> > latest
> >> > stable one currently (8.3.2), I noticed two changes which made me out
> of
> >> > my
> >> > comfort zone.
> >> >
> >> > Demoting/promoting a header now changes the indentation of text below.
> >> > I reverted to the previous mode with '(setf org-adapt-indentation
> nil)'
> >> > in
> >> > ~/.emacs, and that's fine but I mentioned it in case it has an impact
> on
> >> > point#2.
> >> >
> >> > 'M-x fill-region' does not fill custom lists as before. In the
> previous
> >> > version, I could select and fill several mixed paragraphs/lists
> >> > directly.
> >> > For example, filling the following block (without --- separator added
> as
> >> > a
> >> > delimiter in this message)
> >> > ---------------
> >> > # a very looooooooooooooooooooooooooooooooooooooooooooooooooooong
> >> > comment
> >> >
> >> > a looooooooooooooooooooooooooooooooooooooooooooooooooooong sentence
> that
> >> > should be filled over 2 lines
> >> >
> >> > - a looooooooooooooooooooooooooooooooooong item that should be filled
> >> > over 2
> >> > lines
> >> >
> >> >   - a looooooooooooooooooooooooooooooooooong item that should be
> filled
> >> > over
> >> > 2 lines
> >> >
> >> > a looooooooooooooooooooooooooooooooooooooooooooooooooooong sentence
> that
> >> > should be filled over 2 lines
> >>
> >> [snip]
> >>
> >> > Lists are not filled anymore and I have to select each list entry and
> >> > fill
> >> > it individually to get the same output.
> >> >
> >> > So my questions are:
> >> >
> >> > Is there any simple way to revert to the previous mode with a
> variable?
> >> > Else, could you explain briefly where I should look if I want to
> >> > understand
> >> > why the filling is skipped in this case, and eventually change it if I
> >> > cannot change my mind and adapt to this different behavior? I had a
> look
> >> > at
> >> > function (org.el:23249 org-setup-filling) but I am not sure this is
> the
> >> > right location.
> >>
> >> I don't really have an answer regarding *why*, but I have this in my
> >> .emacs that seems to work with either spaces at the end of your
> >> example above (fills the current line) or with M-x fill-region. Want
> >> to try that? Maybe the new org requires manually setting fill options?
> >>
> >> #+begin_src .emacs
> >>
> >> ;; change 80 to whatever you prefer
> >> (setq-default fill-column 80)
> >> (add-hook 'text-mode-hook 'turn-on-auto-fill)
> >>
> >> #+end_src
> >>
> >>
> >> Hope that helps!
> >> John
> >>
> >> >
> >> > Thanks, and have a nice day.
> >>
> >
>
>