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From: ShengHuo ZHU <zsh@cs.rochester.edu>
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Subject: Re: gnus-cite-parse terribly slow on underscores
Date: Tue, 29 Jan 2002 17:08:20 -0500
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Christoph Rohland <cr@sap.com> writes:

[...]

> I do not understand all the interactions, but at least in my xemacs _
> is covered by \w and apparently this messes up looking-at and
> re-search-forward. Perhaps it is a bug in my xemacs since its info
> says:
>
> ,----
> |    The XEmacs regular expression syntax most closely resembles that of
> | `ed', or `grep', the GNU versions of which all utilize the GNU `regex'
> | library.  XEmacs' version of `regex' has recently been extended with
> | some Perl-like capabilities, described in the next section.
> `----
>
> Any insight?

By default, underline is not a word constituent in
text-mode-syntax-table, at least in my copy of Emacs and XEmacs.  If
you modified text-mode-syntax-table, you have to change
message-cite-prefix-regexp too.  

I committed a fix to auto-detect word constituents in message.el. Hope
that works.

ShengHuo