[Bug: 21.4.19] string-match failure with 8bit

================================================================ Dear Bug Team! Sometimes XEmacs regexp matching starts to fail with 8bit characters in the string and '\b' construct in regexp. For example (string-match "\\b...\\b" " \240\240 aaa ") fails with Args out of range: "    aaa ", 11 This usually starts to happen when using GNUS, and then only after heavy use of regexps, e.g., after using darcsum.el. darcsum.el is an extension running an external process with process-filter. The process filter uses regexps to match the output of several hundred kilobytes. darcsum.el sometimes fails with "Stack overflow in regexp matcher". The problem also occurs in 21.4.15 coming with stock RHEL 4. --Pekka ================================================================ System Info to help track down your bug: --------------------------------------- uname -a: Linux agni 2.6.16 #1 Fri Mar 31 00:04:25 EEST 2006 i686 i686 i386 GNU/Linux ./configure 'i386-redhat-linux-gnu' '--prefix=/usr' '--datadir=/usr/share' '--infodir=/usr/share/info' '--libdir=/usr/lib' '--mandir=/usr/share/man/man1' '--with-gpm=yes' '--with-pop' '--mail-locking=lockf' '--with-clash-detection' '--with-database=no' '--with-postgresql=no' '--with-ldap=no' '--with-hesiod=no' '--with-msw=no' '--pdump' '--debug=yes' '--with-mule=yes' '--docdir=/usr/lib/xemacs-21.4.19/doc/' '--with-sound=native' '--with-canna=yes' '--with-xim=xlib' '--with-athena=3d' '--with-widgets=athena' '--with-menubars=lucid' '--with-scrollbars=lucid' '--with-dialogs=athena' '--with-xfs=no' XEmacs 21.4.19 "Constant Variable" configured for `i386-redhat-linux'. Compilation / Installation: Source code location: /home/ppessi/BUILD/xemacs-21.4.19 Installation prefix: /usr Operating system description file: `s/linux.h' Machine description file: `m/intel386.h' Compiler: gcc -O2 -g -pipe -m32 -march=i386 -mtune=pentium4 Compiler version: gcc (GCC) 3.4.5 20051201 (Red Hat 3.4.5-2) Compiler specs file: /usr/lib/gcc/i386-redhat-linux/3.4.5/specs Relocating allocator for buffers: no GNU version of malloc: yes - Using Doug Lea's new malloc from the GNU C Library. libc: glibc-2.3.4-2.19 Window System: Compiling in support for the X window system: - X Windows headers location: /usr/X11R6/include - X Windows libraries location: /usr/X11R6/lib - Handling WM_COMMAND properly. Compiling in support for the Athena widget set: - Athena headers location: X11/Xaw3d - Athena library to link: Xaw3d Using Lucid menubars. Using Lucid scrollbars. Using Athena dialog boxes. Using Athena native widgets. TTY: Compiling in support for ncurses. Compiling in support for GPM (General Purpose Mouse). 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. Sound: Compiling in support for sound (native). Databases: 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. Compiling in support for Canna on Mule. Mail: Compiling in support for POP mail retrieval. Compiling in support for "lockf" 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. Compiling in support for extra debugging code. 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url-vars css font mule-sysdp w3-cfg w3-sysdp ebuff-menu electric sort gnus-cite smiley annotations mail-extr gnus-async gnus-bcklg gnus-ml disp-table parse-time byte-optimize bytecomp byte-compile nndraft nnmh efs-cu nnml gnus-agent gnus-srvr gnus-score score-mode nnvirtual gnus-msg gnus-art regexp-opt mm-uu mml2015 pgg password pgg-parse pgg-def mm-view gnus-sum gnus-group gnus-undo nntp nnoo nnmail mail-source format-spec gnus-cache un-define mule-uni gnus-start gnus-spec gnus-int gnus-range message mml mml-sec mml-smime smime dig mm-decode mm-bodies mm-encode mailcap lpr mail-parse rfc2045 rfc2231 rfc2047 qp ietf-drums mail-abbrevs sendmail mailheader canlock sha1 executable hex-util gnus-win gnus gnus-ems gnus-xmas messagexmas nnheader nnheaderxm gnus-util netrc time-date mail-utils mm-util mail-prsvr wid-edit psvn overlay latin-unity-latin9 latin-euro-standards latin-euro-latin10 latin-euro-latin9 latin-euro-latin8 latin-euro-latin7 darcsum cus-face vc vc-hooks jka-compr mwheel 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os-utils-autoloads oo-browser-autoloads ocaml-autoloads net-utils-autoloads mmm-mode-autoloads misc-games-autoloads mine-autoloads mh-e-autoloads mailcrypt-autoloads mail-lib-autoloads liece-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 ess-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 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 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 md5 xemacs xim gutter tiff png gif jpeg xpm xbm lisp-float-type linux dialog devices window-system base64) Recent keystrokes: ----------------- b * BS RET C-h l ESC > C-x o ESC > button2 button2up C-j button1 button1up C-p C-e C-x C-e C-x o C-v M-v M-v M-v C-n C-v C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-v C-v C-x o C-x C-e M-b C-b C-b BS BS \ 2 4 0 \ 4 0 BS BS 2 4 0 C-e C-x C-e M-x r e p o TAB r t TAB x e TAB RET Recent messages (most recent first): ----------------------------------- Loading xemacsbug...done Loading xemacsbug... Making completion list... Args out of range: "    aaa ", 11 Args out of range: " ää aaa ", 11 Args out of range: " ää aaa ", 11 Args out of range: " ää aaa ", 11 Loading view-less...done Loading view-less... Quit Quit Making completion list... Args out of range: "Rémi Denis-Courmont <Remi.Denis-Courmont(a)nokia.com&gt;&quot;, 52 Generating summary... Fetching headers for INBOX.MINE...done Fetching headers for INBOX.MINE... Retrieving newsgroup: INBOX.MINE... Expiring articles...done Expiring articles... <<< Press Return to bury the buffer list >>>