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Subject: Re: Proposed patch
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sigurd@12move.de (Karl Pflästerer) writes:

> Before if you wanted to use `gnus-article-refer-article' on message-ids
> *without* »<>« that didn't work (allthough the button worked). That was
> a situation I didn't like as I like to do nearly everything with the
> keyboard. Now message-ids like
>     o news:foo.bar@baz.bat (which is a correct URI)
> can also be searched with `C-c ^'. Try it at the moment it is not
> possible. e.g.
>     o <m3of55tt40.fsf@hamster.pflaesterer.de> against
>     o <news:m3of55tt40.fsf@hamster.pflaesterer.de> against
>     o news:<m3of55tt40.fsf@hamster.pflaesterer.de>
>       (incorrect but can often be seen) against
>     o news:84d6lls5gk.fsf@lucy.is.informatik.uni-duisburg.de

I found a couple of problems with it:

  * I think `gnus-button-mid-or-mail-regexp' is too restrictive.  It's
    okay for automatic buttonizing, but when the user calls
    `gnus-article-refer-article' interactively, we shouldn't insist that
    the TLD is valid.  E.g. these don't work:

      <m3adh6bvr0.fsf@troodon.localdomain>

      <news:m3adh6bvr0.fsf@troodon.localdomain>

      m3adh6bvr0.fsf@troodon.localdomain

   
   * It sometimes fails for a plain msg-id with no brackets or "news:",
     e.g. place point after the "@" and press `C-c ^' there:

      m3of55tt40.fsf@hamster.pflaesterer.de

I've checked in another version.  It appears to work for all the
examples in this message -- but shout up if you find an example where it
fails.