[Bug: 21.4.18] etags.el add-to-tag-completion-table includes skip bug

Ethan Blanton elb at localhost.localdomain
Wed Aug 23 15:27:30 EDT 2006


================================================================
Dear Bug Team!

The emacs.el file shipped with xemacs up to and including 2.4.19 has, at
the bottom of add-to-tag-completion-table, the following while loop:

    (while (looking-at tags-include-pattern)
      (goto-char (match-end 0))
      (setq filename (file-name-sans-versions (match-string 1)))
      (forward-line 1))

This, unfortunately, is buggy -- (goto-char (match-end 0)) takes the
insertion point to the form feed preceding the next include line, and
the following (forward-line 1) then places the point over the first
character of the include line itself; this causes the while loop
condition (looking-at tags-include-pattern) to fail on the next
iteration, as the point is no longer on the form feed.  This causes TAGS
file parsing to fail with 'Bad TAGS file.'  Removing (forward-line 1)
causes TAGS files containing multiple includes to parse properly on my
system, as below:

    (while (looking-at tags-include-pattern)
      (goto-char (match-end 0))
      (setq filename (file-name-sans-versions (match-string 1))))

Thanks,
Ethan

================================================================

System Info to help track down your bug:
---------------------------------------

uname -a: Linux terranova 2.6.12 #1 SMP Tue Aug 9 18:56:34 UTC 2005 i686 GNU/Linux

./configure  '--with-sound=none,native' '--with-x11' '--extra-verbose' '--with-site-lisp' '--with-database=berkdb' '--statedir=/var/lib' '--infodir=/usr/share/info/xemacs21' '--infopath=/usr/share/info/xemacs21' '--with_menubars=lucid' '--with_scrollbars=lucid' '--with_dialogs=athena' '--docdir=/usr/lib/xemacs-21.4.18/i386-debian-linux/mule-canna-wnn/' '--with-mule' '--with-canna' '--with-wnn6' '--with-xim=xlib' '--with-xfs' '--package-path=~/.xemacs:~/.xemacs/packages:~/.xemacs/xemacs-packages::/usr/share/xemacs21/site-packages:/usr/share/xemacs21/mule-packages:/usr/share/xemacs21/xemacs-packages' 'i386-debian-linux'


XEmacs 21.4.18 "Social Property" configured for `i386-debian-linux'.


Compilation / Installation:
  Source code location:              /build/buildd/xemacs21-21.4.18
  Installation prefix:               /usr/local
  Operating system description file: `s/linux.h'
  Machine description file:          `m/intel386.h'
  Compiler:                          gcc -g -O3 -Wall -Wno-switch -Winline -Wmissing-prototypes -Wsign-compare -Wshadow
  Compiler version:                  gcc-4.0.gcc-opt (GCC) 4.0.3 20051204 (prerelease) (Ubuntu 4.0.2-5ubuntu2)
  Compiler specs file:               specs.
  Relocating allocator for buffers:  no
  GNU version of malloc:             yes
    - Using Doug Lea's new malloc from the GNU C Library.
Need to guess glibc1/2/etc here

Window System:
  Compiling in support for the X window system:
    - X Windows headers location:                 
    - X Windows libraries location:               
    - Handling WM_COMMAND properly.
  Compiling in support for the Athena widget set:
    - Athena headers location:                    X11/Xaw
    - Athena library to link:                     Xaw
  Using Lucid menubars.
  Using Lucid scrollbars.
  Using Athena dialog boxes.
  Using Athena native widgets.

TTY:
  Compiling in support for ncurses.

Images:
  Compiling in support for GIF  images (builtin).
  Compiling in support for XPM  images.
  Compiling in support for PNG  images.
  Compiling in support for JPEG images.
  Compiling in support for TIFF images.
  Compiling in support for X-Face message headers.

Sound:
  Compiling in support for sound (native).

Databases:
  Compiling in support for Berkeley database.
  Compiling in support for LDAP.

Internationalization:
  Compiling in support for Mule (multi-lingual Emacs).
  Compiling in support for XIM (X11R5+ I18N input method).
    - Using raw Xlib to provide XIM support.
    - Using XFontSet to provide bilingual menubar.
  Compiling in support for Canna on Mule.
  Compiling in support for the WNN input method on Mule.
    - Using WNN version 6.

Mail:
  Compiling in support for "dot-locking" mail spool file locking method.

Other Features:
  Inhibiting IPv6 canonicalization at startup.
  Compiling in support for dynamic shared object modules.
  Using the new portable dumper.



Load-Path Lisp Shadows:
----------------------
(/usr/share/xemacs21/site-lisp/dictionaries-common/flyspell
/usr/share/xemacs21/site-lisp/dictionaries-common/flyspell
/usr/share/xemacs21/site-lisp/dictionaries-common/ispell
/usr/share/xemacs21/site-lisp/dictionaries-common/ispell
/usr/share/xemacs21/site-lisp/dictionaries-common/debian-ispell
/usr/share/xemacs21/site-lisp/dictionaries-common/debian-ispell
/usr/share/xemacs21/site-lisp/gtk-doc-tools/gtk-doc
/usr/share/xemacs21/site-lisp/gtk-doc-tools/gtk-doc
/usr/share/xemacs21/site-lisp/debian-startup
/usr/share/emacs/site-lisp/debian-startup /etc/emacs/site-start
/usr/share/xemacs21/site-packages/lisp/site-start
/usr/share/xemacs21/site-lisp/dictionaries-common/ispell
/usr/share/xemacs21/xemacs-packages/lisp/ispell/ispell
/usr/share/xemacs21/site-lisp/dictionaries-common/flyspell
/usr/share/xemacs21/xemacs-packages/lisp/text-modes/flyspell
/home/elb/.xemacs/etags /usr/lib/xemacs-21.4.18/lisp/etags
/usr/share/xemacs21/xemacs-packages/lisp/build/build-report
/usr/lib/xemacs-21.4.18/lisp/build-report /home/elb/.xemacs/custom
/usr/lib/xemacs-21.4.18/lisp/custom)


Installed XEmacs Packages:
-------------------------
(zenirc ver: 1.16 upstream: 2.112)
(xwem ver: 1.21 upstream: lg at xwem.org--2005/xwem--main--2.1--versionfix-1)
(xslt-process ver: 1.12 upstream: 1.2.1)
(xslide ver: 1.09 upstream: 0.2.2)
(xlib ver: 1.14 upstream: lg at xwem.org--2005/xlib--main--2.1--version-0)
(xetla ver: 1.0 upstream: steve at eicq.org--2005/xetla--main--1.0--version-0)
(xemacs-devel ver: 1.72 upstream: No-Upstream-Ver)
(xemacs-base ver: 2.0 upstream: No-Upstream-Ver)
(x-symbol ver: 1.1 upstream: 4.5.1)
(w3 ver: 1.31 upstream: 4.0pre47)
(vm ver: 7.22 upstream: 7.17)
(viper ver: 1.47 upstream: 3.09)
(view-process ver: 1.13 upstream: 2.4)
(vhdl ver: 1.2 upstream: 3.33.2)
(vc-cc ver: 1.22 upstream: No-Upstream-Ver)
(vc ver: 1.41 upstream: No-Upstream-Ver)
(tramp ver: 1.28 upstream: 2.0.51)
(tpu ver: 1.14 upstream: 4.2X)
(tooltalk ver: 1.15 upstream: No-Upstream-Ver)
(tm ver: 1.38 upstream: No-Upstream-Ver)
(time ver: 1.14 upstream: 1.17)
(textools ver: 1.15 upstream: No-Upstream-Ver)
(text-modes ver: 1.9 upstream: No-Upstream-Ver)
(texinfo ver: 1.3 upstream: No-Upstream-Ver)
(supercite ver: 1.21 upstream: 3.55x3)
(strokes ver: 1.1 upstream: No-Upstream-Ver)
(speedbar ver: 1.28 upstream: 0.14beta4)
(sounds-wav ver: 1.12 upstream: No-Upstream-Ver)
(sounds-au ver: 1.12 upstream: No-Upstream-Ver)
(sml-mode ver: 0.12 upstream: 3.9.5)
(slider ver: 1.15 upstream: 0.3x1)
(sieve ver: 1.18 upstream: No-Upstream-Ver)
(sh-script ver: 1.21 upstream: 2.0f)
(sgml ver: 1.11 upstream: No-Upstream-Ver)
(semantic ver: 1.19 upstream: 1.4.2)
(scheme ver: 1.14 upstream: No-Upstream-Ver)
(sasl ver: 1.16 upstream: 1.14.4)
(ruby-modes ver: 1.02 upstream: 1.6.8)
(rmail ver: 1.14 upstream: No-Upstream-Ver)
(riece ver: 1.21 upstream: 2.0.2)
(reftex ver: 1.34 upstream: 4.21)
(re-builder ver: 1.05 upstream: 1.20)
(python-modes ver: 1.06 upstream: No-Upstream-Ver)
(psgml-dtds ver: 1.03 upstream: No-Upstream-Ver)
(psgml ver: 1.44 upstream: 1.3.1)
(ps-print ver: 1.11 upstream: 6.5.6)
(prog-modes ver: 2.06 upstream: No-Upstream-Ver)
(pgg ver: 1.06 upstream: 0.1)
(perl-modes ver: 1.08 upstream: No-Upstream-Ver)
(pcomplete ver: 1.04 upstream: 1.1.6)
(pcl-cvs ver: 1.66 upstream: R-2_9_9)
(pc ver: 1.28 upstream: No-Upstream-Ver)
(os-utils ver: 1.36 upstream: No-Upstream-Ver)
(oo-browser ver: 1.04 upstream: 4.08)
(ocaml ver: 0.05 upstream: 3.06)
(net-utils ver: 1.48 upstream: N/A)
(mmm-mode ver: 1.02 upstream: 0.4.7)
(misc-games ver: 1.18 upstream: No-Upstream-Ver)
(mine ver: 1.16 upstream: 1.9)
(mh-e ver: 1.29 upstream: 7.4.2)
(mew ver: 1.19 upstream: 1.94.2)
(mailcrypt ver: 2.14 upstream: 3.5.8)
(mail-lib ver: 1.75 upstream: No-Upstream-Ver)
(jde ver: 1.48 upstream: 2.3.2)
(ispell ver: 1.32 upstream: 3.6)
(ilisp ver: 1.33 upstream: 5.12.0)
(igrep ver: 1.14 upstream: 2.111)
(idlwave ver: 1.32 upstream: 5.1)
(ibuffer ver: 1.09 upstream: No-Upstream-Ver)
(hyperbole ver: 1.16 upstream: 4.18)
(hm--html-menus ver: 1.23 upstream: 5.9)
(haskell-mode ver: 1.07 upstream: 1.45)
(gnus ver: 1.87 upstream: 5.10.7)
(gnats ver: 1.17 upstream: 3.101)
(general-docs ver: 1.04 upstream: No-Upstream-Ver)
(games ver: 1.17 upstream: 1.04)
(fsf-compat ver: 1.15 upstream: No-Upstream-Ver)
(frame-icon ver: 1.11 upstream: No-Upstream-Ver)
(fortran-modes ver: 1.04 upstream: No-Upstream-Ver)
(forms ver: 1.15 upstream: 2.37)
(footnote ver: 1.16 upstream: 0.18x)
(eudc ver: 1.39 upstream: 1.32)
(eterm ver: 1.17 upstream: No-Upstream-Ver)
(eshell ver: 1.1 upstream: 2.4.1)
(escreen ver: 1.01 upstream: 1.16)
(erc ver: 0.19 upstream: Version 5.0 Revision: 1.776)
(emerge ver: 1.11 upstream: No-Upstream-Ver)
(elib ver: 1.11 upstream: 1.0)
(eieio ver: 1.05 upstream: 0.17)
(efs ver: 1.33 upstream: 1.23)
(edt ver: 1.13 upstream: No-Upstream-Ver)
(edit-utils ver: 2.32 upstream: No-Upstream-Ver)
(ediff ver: 1.6 upstream: 2.75)
(edebug ver: 1.21 upstream: No-Upstream-Ver)
(ecrypto ver: 0.2 upstream: 2.0)
(ecb ver: 1.22 upstream: 2.31)
(docbookide ver: 0.07000000000000001 upstream: 0.1)
(dired ver: 1.17 upstream: 7.13)
(dictionary ver: 1.16 upstream: 1.8)
(debug ver: 1.17 upstream: No-Upstream-Ver)
(crisp ver: 1.15 upstream: 1.34)
(cookie ver: 1.15 upstream: No-Upstream-Ver)
(clearcase ver: 1.1 upstream: /main/laptop/165)
(cc-mode ver: 1.45 upstream: 5.30.10)
(calendar ver: 1.23 upstream: No-Upstream-Ver)
(calc ver: 1.26 upstream: 2.02fX3)
(c-support ver: 1.22 upstream: No-Upstream-Ver)
(build ver: 1.14 upstream: 2.02)
(bbdb ver: 1.29 upstream: 2.34)
(auctex ver: 1.46 upstream: 11.55)
(apel ver: 1.32 upstream: 10.6)
(ada ver: 1.14 upstream: 2.27)
(Sun ver: 1.16 upstream: No-Upstream-Ver)
(skk ver: 1.23 upstream: 10.62a)
(mule-ucs ver: 1.14 upstream: 0.84)
(mule-base ver: 1.47 upstream: No-Upstream-Ver)
(lookup ver: 1.15 upstream: 1.0)
(locale ver: 1.22 upstream: No-Upstream-Ver)
(leim ver: 1.22 upstream: No-Upstream-Ver)
(latin-unity ver: 1.15 upstream: 1.15)
(latin-euro-standards ver: 1.07 upstream: 1.07)
(egg-its ver: 1.27 upstream: No-Upstream-Ver)
(edict ver: 1.16 upstream: 0.9.9)



Installed Modules:
-----------------


Features:
--------

(mail-abbrevs flyspell advice advice-preload ispell xemacsbug shadow
sendmail rfc822 symbol-syntax view-less view info hyper-apropos tags
etags cc-mode cc-fonts cc-menus cc-cmds cc-styles cc-align cc-engine
cc-vars cc-defs regexp-opt efs-cu shell comint ring paren blink-paren
font-lock cus-face gnuserv filladapt jka-compr ansi-color mwheel
zenirc-autoloads xwem-autoloads xslt-process-autoloads xslide-autoloads
xlib-autoloads xetla-autoloads xemacs-devel-autoloads
xemacs-base-autoloads x-symbol-autoloads w3-autoloads vm-autoloads
viper-autoloads view-process-autoloads vhdl-autoloads vc-cc-autoloads
vc-autoloads tramp-autoloads tpu-autoloads tooltalk-autoloads
tm-autoloads time-autoloads textools-autoloads text-modes-autoloads
texinfo-autoloads supercite-autoloads strokes-autoloads
speedbar-autoloads sounds-wav-autoloads sounds-au-autoloads
sml-mode-autoloads slider-autoloads sieve-autoloads sh-script-autoloads
sgml-autoloads semantic-autoloads scheme-autoloads sasl-autoloads
ruby-modes-autoloads rmail-autoloads riece-autoloads reftex-autoloads
re-builder-autoloads python-modes-autoloads psgml-dtds-autoloads
psgml-autoloads ps-print-autoloads prog-modes-autoloads pgg-autoloads
perl-modes-autoloads pcomplete-autoloads pcl-cvs-autoloads pc-autoloads
os-utils-autoloads oo-browser-autoloads ocaml-autoloads
net-utils-autoloads mmm-mode-autoloads misc-games-autoloads
mine-autoloads mh-e-autoloads mew-autoloads mailcrypt-autoloads
mail-lib-autoloads jde-autoloads ispell-autoloads ilisp-autoloads
igrep-autoloads idlwave-autoloads ibuffer-autoloads hyperbole-autoloads
hm--html-menus-autoloads haskell-mode-autoloads gnus-autoloads
gnats-autoloads general-docs-autoloads games-autoloads
fsf-compat-autoloads frame-icon-autoloads fortran-modes-autoloads
forms-autoloads footnote-autoloads eudc-autoloads eterm-autoloads
eshell-autoloads escreen-autoloads erc-autoloads emerge-autoloads
elib-autoloads eieio-autoloads efs-autoloads edt-autoloads
edit-utils-autoloads ediff-autoloads edebug-autoloads ecrypto-autoloads
ecb-autoloads docbookide-autoloads dired-autoloads dictionary-autoloads
debug-autoloads crisp-autoloads cookie-autoloads clearcase-autoloads
cc-mode-autoloads calendar-autoloads calc-autoloads c-support-autoloads
build-autoloads bbdb-autoloads auctex-autoloads apel-autoloads
ada-autoloads Sun-autoloads skk-autoloads mule-ucs-autoloads
mule-base-autoloads lookup-autoloads locale-autoloads leim-autoloads
latin-unity-autoloads latin-euro-standards-autoloads egg-its-autoloads
edict-autoloads lisp-autoloads loadhist auto-show fontl-hooks
x-iso8859-1 canna-leim slovenian czech romanian ccl mule-help code-cmds
gutter-items menubar-items x-menubar mode-motion mouse itimer auto-save
lisp-mode easymenu iso8859-1 page buff-menu lib-complete cus-file
derived frame text-props obsolete cus-start custom widget cl-extra
mini-cl cl cl-19 packages backquote very-early-lisp CANNA file-coding
wnn mule lucid-scrollbars cut-buffer lucid-menubars athena-dialogs x
c-balloon-help tty-frames tty toolbar native-sound scrollbar
unix-processes multicast network-streams subprocesses modules
menu-accelerator-support menubar berkeley-db md5 xemacs xim gutter tiff
png gif jpeg xface xpm xbm lisp-float-type linux dialog devices
window-system base64)




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