bug#22592: 25.1.50; Gnus reports invalid regex when opening an article

[Torsten Bronger]

When opening a posting or an email in Gnus, the message

    gnus-article-add-buttons: Invalid regexp: "Unmatched ( or \\("

appears.



In GNU Emacs 25.1.50.2 (x86_64-unknown-linux-gnu)
 of 2016-02-07 built on wolowitz
Repository revision: eb52f7015a26a5baac36430269ed2725d04ef41d
Windowing system distributor 'The X.Org Foundation', version 11.0.11501000
System Description:     Ubuntu 14.04.3 LTS

Configured using:
 'configure --prefix=/usr/local/ --mandir=/usr/local/share/man/
 --infodir=/usr/local/share/info/ --with-x-toolkit=no --without-makeinfo
 --with-xpm --with-jpeg --with-tiff --with-gif --with-png --with-x'

Configured features:
XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS GCONF GSETTINGS
NOTIFY LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB X11

Important settings:
  value of $EMACSLOADPATH: /home/bronger/.emacs.d/lisp:
  value of $LC_MONETARY: de_DE.UTF-8
  value of $LC_NUMERIC: de_DE.UTF-8
  value of $LC_TIME: de_DE.UTF-8
  value of $LANG: de_DE.UTF-8
  value of $XMODIFIERS: @im=ibus
  locale-coding-system: utf-8-unix

Major mode: Summary

Minor modes in effect:
  diff-auto-refine-mode: t
  shell-dirtrack-mode: t
  global-auto-revert-mode: t
  savehist-mode: t
  desktop-save-mode: t
  global-eldoc-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  buffer-read-only: t
  line-number-mode: t

Recent messages:
Quit [2 times]
t
gnus-article-add-buttons: Invalid regexp: "Unmatched ( or \\("
t
Making completion list...
Quit [2 times]
t
gnus-article-add-buttons: Invalid regexp: "Unmatched ( or \\("
delete-backward-char: Text is read-only [2 times]
Making completion list...

Load-path shadows:
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/home/bronger/.emacs.d/lisp/yasnippet/snippets/fundamental-mode/.yas-setup 
hides /home/bronger/.emacs.d/lisp/yasnippet/snippets/python-mode/.yas-setup
/home/bronger/.emacs.d/lisp/yasnippet/snippets/fundamental-mode/.yas-setup 
hides 
/home/bronger/.emacs.d/lisp/yasnippet/yasmate/snippets/html-mode/.yas-setup
/home/bronger/.emacs.d/lisp/yasnippet/snippets/fundamental-mode/.yas-setup 
hides 
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/home/bronger/.emacs.d/lisp/yasnippet/yasmate/snippets/html-mode/.yasmate-extra-substitutions
 hides 
/home/bronger/.emacs.d/lisp/yasnippet/yasmate/snippets/rails-mode/.yasmate-extra-substitutions
/home/bronger/.emacs.d/lisp/yasnippet/snippets/fundamental-mode/.yas-setup 
hides 
/home/bronger/.emacs.d/lisp/yasnippet/yasmate/snippets/rails-mode/.yas-setup
/home/bronger/.emacs.d/lisp/yasnippet/yasmate/snippets/html-mode/.yasmate-extra-substitutions
 hides 
/home/bronger/.emacs.d/lisp/yasnippet/yasmate/snippets/ruby-mode/.yasmate-extra-substitutions
/home/bronger/.emacs.d/lisp/yasnippet/snippets/fundamental-mode/.yas-setup 
hides 
/home/bronger/.emacs.d/lisp/yasnippet/yasmate/snippets/ruby-mode/.yas-setup
/home/bronger/.emacs.d/lisp/mmm/mmm-mode hides 
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/home/bronger/.emacs.d/lisp/bbdb/bbdb-xemacs hides 
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/usr/local/share/emacs/site-lisp/bbdb/bbdb-rmail
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/usr/local/share/emacs/site-lisp/bbdb/bbdb-whois
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/home/bronger/.emacs.d/lisp/bbdb/bbdb-reportmail hides 
/usr/local/share/emacs/site-lisp/bbdb/bbdb-reportmail
/home/bronger/.emacs.d/lisp/bbdb/bbdb-merge hides 
/usr/local/share/emacs/site-lisp/bbdb/bbdb-merge
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/usr/local/share/emacs/site-lisp/bbdb/bbdb-gnus
/home/bronger/.emacs.d/lisp/bbdb/bbdb-print hides 
/usr/local/share/emacs/site-lisp/bbdb/bbdb-print
/home/bronger/.emacs.d/lisp/bbdb/bbdb-autoloads hides 
/usr/local/share/emacs/site-lisp/bbdb/bbdb-autoloads
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/home/bronger/.emacs.d/lisp/w3m/w3m-ucs hides 
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/usr/local/share/emacs/site-lisp/w3m/w3m-rss
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/usr/local/share/emacs/site-lisp/w3m/w3m-form
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/usr/local/share/emacs/site-lisp/w3m/w3m-perldoc
/home/bronger/.emacs.d/lisp/w3m/w3m-tabmenu hides 
/usr/local/share/emacs/site-lisp/w3m/w3m-tabmenu
/home/bronger/.emacs.d/lisp/w3m/w3m hides 
/usr/local/share/emacs/site-lisp/w3m/w3m
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/usr/local/share/emacs/site-lisp/w3m/w3m-image
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/usr/local/share/emacs/site-lisp/w3m/w3m-weather
/home/bronger/.emacs.d/lisp/w3m/mime-w3m hides 
/usr/local/share/emacs/site-lisp/w3m/mime-w3m

Features:
(shadow sort emacsbug sendmail cus-edit debug add-log log-view pcvs-util
vc-annotate find-dired pp eieio-opt speedbar sb-image ezimage dframe shr
dom subr-x qp mm-archive gnus-bcklg ispell gnus-async gnus-ml gmane
character-fold misearch multi-isearch tramp-cache nndraft nnmh
gnus-agent gnus-srvr gnus-score score-mode nnvirtual gnus-msg nnml
nnfolder gnus-cache bbdb-gnus gnus-art mm-uu mml2015 mm-view mml-smime
smime dig gnus-sum bbdb-snarf mail-extr bbdb-com warnings network-stream
puny nsm starttls nntp gnus-topic gnus-group gnus-undo gnus-start
gnus-cloud nnimap nnmail mail-source tls gnutls utf7 netrc nnoo
parse-time gnus-spec gnus-int gnus-range message rfc822 mml mml-sec epg
mm-decode mm-bodies mm-encode mail-parse rfc2231 rfc2047 rfc2045
ietf-drums mailabbrev gmm-utils mailheader gnus-win gnus gnus-ems
nnheader mail-utils dabbrev imenu dired-aux vc vc-git diff-mode
disp-table python tramp-sh tramp tramp-compat tramp-loaddefs trampver
ucs-normalize shell json map seq swift-mode go-mode url url-proxy
url-privacy url-expand url-methods url-history url-cookie url-domsuf
url-util mailcap find-file ffap thingatpt etags xref project yaml-mode
dockerfile-mode derived rx sh-script smie executable dired-x
vc-dispatcher vc-bzr org-element org-rmail org-mhe org-irc org-info
org-gnus org-docview org-bibtex bibtex org-bbdb org-w3m org-agenda
ob-python org org-macro org-footnote org-pcomplete pcomplete org-list
org-faces org-entities noutline outline org-version ob-emacs-lisp ob
ob-tangle ob-ref ob-lob ob-table ob-exp org-src ob-keys ob-comint
ob-core ob-eval org-compat org-macs org-loaddefs format-spec find-func
server w3m browse-url doc-view jka-compr dired dired-loaddefs image-mode
w3m-hist w3m-fb bookmark-w3m w3m-ems wid-edit w3m-ccl ccl w3m-favicon
w3m-image w3m-proc w3m-util rst compile comint ansi-color ring
browse-kill-ring mmm-mode mmm-univ mmm-class mmm-region mmm-auto
mmm-vars mmm-utils mmm-compat cl bbdb-autoloads bbdb timezone cal-china
lunar solar cal-dst cal-bahai cal-islam cal-hebrew holidays hol-loaddefs
appt diary-lib diary-loaddefs cal-menu calendar cal-loaddefs preview
prv-emacs info reporter latex easy-mmode tex-style tex-buf tex dbus xml
advice autorevert filenotify preview-latex tex-site auto-loads edmacro
kmacro savehist desktop frameset delsel cus-start cus-load finder-inf
package epg-config url-handlers url-parse auth-source cl-seq eieio
byte-opt bytecomp byte-compile cl-extra cconv eieio-core cl-macs gv
eieio-loaddefs gnus-util mm-util help-fns help-mode easymenu cl-loaddefs
pcase cl-lib mail-prsvr password-cache url-vars time-date mule-util
tooltip eldoc electric uniquify ediff-hook vc-hooks lisp-float-type
mwheel x-win term/common-win x-dnd tool-bar dnd fontset image regexp-opt
fringe tabulated-list newcomment elisp-mode lisp-mode prog-mode register
page menu-bar rfn-eshadow timer select scroll-bar mouse jit-lock
font-lock syntax facemenu font-core frame cl-generic cham georgian
utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean
japanese eucjp-ms cp51932 hebrew greek romanian slovak czech european
ethiopic indian cyrillic chinese charscript case-table epa-hook
jka-cmpr-hook help simple abbrev obarray minibuffer cl-preloaded nadvice
loaddefs button faces cus-face macroexp files text-properties overlay
sha1 md5 base64 format env code-pages mule custom widget
hashtable-print-readable backquote dbusbind inotify dynamic-setting
system-font-setting font-render-setting x multi-tty make-network-process
emacs)

Memory information:
((conses 16 602968 25814)
 (symbols 48 129933 0)
 (miscs 40 1000 1097)
 (strings 32 171241 11349)
 (string-bytes 1 4967430)
 (vectors 16 76030)
 (vector-slots 8 1955325 98215)
 (floats 8 1269 379)
 (intervals 56 3920 398)
 (buffers 976 81)
 (heap 1024 84002 12495))

-- 
Torsten Bronger    Jabber ID: torsten.bronger@jabber.rwth-aachen.de