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From: Steinar Bang <sb@dod.no>
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Subject: Re: A RE: SV: AW: "collapser", anyone...?
Date: Sun, 01 Jun 2003 23:34:52 +0200
Organization: Probably a good idea
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>>>>> Maciej Matysiak <phoner.ding@blah.pl>:

> there is, if you add the stuff to message-subject-re-regexp
> variable.  default value covers only english version of reply
> prefix.

Hm... grep tells me that this variable is used in
gnus-simplify-subject-re in gnus-sum.el, and in
message-strip-subject-re in message.el.

As far as I can tell this means that the collapsing will work as
desired for summary buffers (ie. remove them all).

For messages being composed, this will remove them all, while I would
like a single Re: to be left there.  Or perhaps this is inserted
elswhere into the Subject of the message being composed?

But this regular expression isn't used by any article washing
function, so I would have to write something there.

> i'm all for expanding it with localized prefixes (polish 'odp', swedish 'sv',
> and so on). for the beginning:

> (setq message-subject-re-regexp
>  "^[ \t]*\\(\\(\\([Aa][Ww]\\)\\|\\([Oo][Dd][Pp]\\)\\|\\([Rr][Ee]\\)\\|\\([Ss][Vv]\\)\\|\\)\\(\\[[0-9]*\\]\\)*:[ \t]*\\)*[ \t]*")

> (i don't know any more translated re's).

One I've seen is "Ad", by a Norwegian version of Lotus Notes.