From xemacs-m  Wed Sep  3 13:23:44 1997
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Date: Wed, 3 Sep 1997 11:23:04 -0700
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From: Martin Buchholz <mrb@Eng.Sun.COM>
To: Gary.Foster@Corp.Sun.COM (Gary D. Foster)
Cc: xemacs-beta@xemacs.org
Subject: Invalid preceding regular expression
In-Reply-To: <bcirab6b7ix.fsf@corp.Sun.COM>
References: <bcirab6b7ix.fsf@corp.Sun.COM>
X-Mailer: VM 6.33 under 20.3 "Vienna" XEmacs  Lucid (beta14)
Reply-To: Martin Buchholz <mrb@Eng.Sun.COM>

>>>>> "GDF" == Gary D Foster <Gary.Foster@Corp> writes:

GDF> The new regex patches broke my GNUS crossposting spam filter.  I have
GDF> the following in my SCORE file for Gnus, version 5.4.65:

GDF> ("xref"
GDF>   ("[^:\n]+:[0-9]+ +[^:\n]+:[0-9]++[^:\n]+:[0-9]+ +[^:\n]+:[0-9]+" -700 nil r))
                                      ^^
Those two ++'s seem suspicious.

XEmacs now properly recognizes this as an invalid regular expression,
as it should.  How can we ever expect to extend the regex syntax
without using currently illegal syntax?

Martin

