Re: [PATCH] add option to posting styles

[Jan Rychter <jan@rychter.com>]

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>>>>> "Kai" == Kai Großjohann <kai.grossjohann@gmx.net>:
 Kai> Jan Rychter <jan@rychter.com> writes:
 >> What I need is a hook that is run just before the user starts
 >> editing the message, but after the text to be cited (being replied
 >> to) has been properly inserted.
 >>
 >> mail-citation-hook is close, but seems to be designed for something
 >> else.

 Kai> Ayee.  Maybe message-cite-function is what you need.  But it's not
 Kai> the right thing to use.  Argh.

 Kai> So maybe what the world needs is another hook,
 Kai> message-after-yank-hook?

That's how I see it -- unless there is something I'm missing.

I'll try to summarize the discussion:

  -- I would like to be able to specify in gnus-posting-styles that I
     want certain messages to be PGP signed, which can't be done at
     present,
  -- I have added a "call" option to gnus-posting-styles, that permits
     one to supply a function that will be added to the appropriate
     hook,
  -- then I found out that there is no "appropriate hook": because of
     the way MML is designed, it wants to insert a line into the message
     being written _no earlier than_ after the cited text has been
     yanked. If we insert the MML tag earlier, it will get cited,
  -- an additional constraint is that the MML tag should be there when
     I'm composing the message: I'd like to be sure the message is going
     to be signed. So message-send and similar hooks won't do.

There are some options:

  -- fix supercite (and everything else people might be using for citing
     text) to recognize MML tags and work around them,
  -- hack MML to do something special about some special headers,
  -- make a "mml-something-hook" that will be designed specifically for
     the purpose of letting MML know about things,
  -- add another hook to message, as Kai described.

I do not think I'm knowledgeable enough to decide which is better.

--J.

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