[XEmacs-20.3/Gnus] invalid regexp in nndoc.el

[Danny Siu <dsiu@Adobe.COM>]

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Hi,

I have problem staring Gnus and XEmacs-20.3.  The backtrace is attached.

It seems like "\*\*\* EOOH \*\*\*" is not a valid regexp under XEmacs-20.3.
Both FSF Emacs-20.2 and XEmacs-20.2 have no problem with it.  nndoc.el in
qgnus 0.17 and gnus-5.4.67 are using this regexp to look for the boundary
between messages in babyl mbox format.

I think XEmacs-20.3 supports new Perl-like regexp constructs.  Whould this be
the cause?

-- 
=-=-=-=-=-=-=-=-=-=-=-==-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
 Danny Dick-Fung Siu                              mailto:dsiu@adobe.com 
 WebReady Printing Group           mailto:dsiu@alumni.eecs.berkeley.edu 
 Adobe Systems Incorporated          http://www.csua.berkeley.edu/~dsiu 
=-=-=-=-=-=-=-=-=-=-=-==-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

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Backtrace:
----------
Signaling: (invalid-regexp "Invalid preceding regular expression")
  looking-at("*** EOOH ***")
  nndoc-babyl-head-begin()
  nndoc-dissect-buffer()
  nndoc-possibly-change-buffer("Submission" "Submission")
  nndoc-close-group("Submission" "Submission")
  gnus-get-unread-articles(nil)
  gnus-setup-news(nil nil nil)
  byte-code("\b¬ˆ	¬… ˆª»ÃÄ!ˆÅ\x0e\x06!\x16\a\x0e\b¬„\x0e	«ƒÊ ˆ\x0e\v«ˆÌ ˆÍÎÏ\"ˆÐÑ\x0e\x12\b#ˆÓ\x0e\x12!ˆÔ ˆÕÖ!ˆ× ˆÃØ!ˆÑ‡" [dont-connect did-connect gnus-group-quit run-hooks gnus-startup-hook gnus-make-newsrc-file gnus-startup-file gnus-current-startup-file gnus-slave gnus-use-dribble-file gnus-dribble-read-file gnus-use-grouplens bbb-login add-hook gnus-summary-mode-hook gnus-grouplens-mode gnus-setup-news nil level gnus-group-list-groups gnus-group-first-unread-group gnus-configure-windows group gnus-group-set-mode-line gnus-started-hook] 4)
  gnus-1(nil nil nil)
  gnus(nil)
  call-interactively(gnus)
  command-execute(gnus t)
  execute-extended-command(nil)
  call-interactively(execute-extended-command)