[Bug: 21.5-b25] Problems with latin-unity and VM

Joachim Schrod jschrod at acm.org
Tue Feb 6 21:21:03 EST 2007


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

I encounter a problem with VM and a latin-unity change by Steven from
last June.

When I open the attached mbox, change it in some way, and try to save
it, XEmacs asks me to select the coding system to resolve a coding
system conflict. I.e., open the attached file with #'vm-visit-folder,
type D (for delete) and S (for Save folder). Then the query appears.

Of course, this is not sensible. VM mailboxes are set explicitly to
coding-system binary, since VM handles the encodings itself. Changing
a complete coding system for a VM mbox is not appropriate, as there
might be many emails in different encodings in that mbox. (In the
special case, there is even an attachment with an error message about
software that is concerned with encodings! Changing the coding system
during a save would make the error message unusable.)

The culprit of that behaviour is the insertion of the following line
with the when clause into latin-unity.el.

--- DEL.latin-unity.el	2006-08-14 09:52:34.000000000 +0200
+++ latin-unity.el	2007-02-06 23:25:41.000000000 +0100
@@ -484,7 +484,7 @@
 	      ;; #### actually we can do the whole charset here
 	      ;; precompute and set a property on the cs symbol
 	      (setq skipchars (concat skipchars (list ch)))
-	      (when (= flag 0) (setq lsets (logior latin-unity-non-latin-bit-flag lsets)))
+	      ;(when (= flag 0) (setq lsets (logior latin-unity-non-latin-bit-flag lsets)))
 	      (setq lsets (logior flag lsets)))))
 	  ;; The characters skipped here can't change asciisets
 	  (skip-chars-forward skipchars))))


The patch itself was
http://article.gmane.org/gmane.emacs.xemacs.patches/7749/match=m364iwq4yq+fsf+jerrypc+cs+usu+edu
and the intent seemed to be that non-Latin charsets should be ignored.
Actually, I must confess that I didn't try to understand the code --
but I'm wandering why it infers with a file that has only Latin chars
and where the coding-system is binary.

Stephen wrote in his patch: ``FWIW, if this is going to cause any
problems, I would expect it to crop up with Cyrillic and Asian "wide"
character sets.'' Well, neither Cyrillic nor Asian characters here,
just Latin1 and Latin9 stuff. :-)

Maybe you can see something that may help to resolve my problem.

Best,
	Joachim

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

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

uname -a: Linux puma 2.6.13-15.8-smp #1 SMP Tue Feb 7 11:07:24 UTC 2006 i686 i686 i386 GNU/Linux

./configure '--prefix=/opt/xemacs' '--with-optimization' '--with-error-checking=none' '--with-ipv6-cname=no' '--with-pop' '--with-mule' '--with-athena=3d'


XEmacs 21.5-b25 "eggplant"  configured for `i686-pc-linux'.

Compilation Environment and Installation Defaults:
  Source code location:              /home/schrod/src/xemacs/xemacs-r21-5-current-beta
  Installation prefix:               /opt/xemacs
  Operating system description file: `s/linux.h'
  Machine description file:          `m/intel386.h'
  Compiler version:                  gcc (GCC) 4.0.2 20050901 (prerelease) (SUSE Linux)
    - GCC specs file:                specs.
    - Compiler command:              gcc   -Wall -Wno-switch -Wundef -Wsign-compare -Wno-char-subscripts -Wpacked -Wunused-parameter -g -O3 
  libc version:                      2.3.5
  Relocating allocator for buffers:  no
  GNU version of malloc:             yes
    - Using Doug Lea's new malloc from the GNU C Library.

Window System:
  Compiling in support for the X window system:
    - X Windows headers location:                 /usr/X11/include
    - X Windows libraries location:               /usr/X11/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:
  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.

Mail:
  Compiling in support for POP mail retrieval.
  Compiling in support for "file" mail spool file locking method.

Other Features:
  Inhibiting IPv6 canonicalization at startup.
  Compiling in support for dynamic shared object modules.
  Using the new GC algorithms.
  WARNING: ---------------------------------------------------------
  WARNING: The new algorithms are experimental. They are enabled by
  WARNING: default for this release. Use `--disable-kkcc' to
  WARNING: turn it off.
  WARNING: ---------------------------------------------------------
  Using the new allocator.
  WARNING: ---------------------------------------------------------
  WARNING: The new allocator is experimental. It is enabled by
  WARNING: default for this release. Use `--disable-mc-alloc' to
  WARNING: turn it off.
  WARNING: ---------------------------------------------------------
  Using the new portable dumper.
  Compiling in support for extra debugging code.



Load-Path Lisp Shadows:
----------------------
(/home/schrod/lib/emacs-21.4/longlines
/opt/xemacs/lib/xemacs/site-packages/lisp/packages/longlines
/opt/xemacs/lib/xemacs/site-packages/lisp/packages/cl-indent
/opt/xemacs/lib/xemacs/xemacs-packages/lisp/prog-modes/cl-indent
/opt/xemacs/lib/xemacs/mule-packages/lisp/mule-base/viet-util
/opt/xemacs/lib/xemacs-21.5-b25/lisp/mule/viet-util
/opt/xemacs/lib/xemacs/mule-packages/lisp/mule-base/korea-util
/opt/xemacs/lib/xemacs-21.5-b25/lisp/mule/korea-util
/opt/xemacs/lib/xemacs/mule-packages/lisp/mule-base/japan-util
/opt/xemacs/lib/xemacs-21.5-b25/lisp/mule/japan-util
/opt/xemacs/lib/xemacs/mule-packages/lisp/mule-base/ethio-util
/opt/xemacs/lib/xemacs-21.5-b25/lisp/mule/ethio-util
/opt/xemacs/lib/xemacs/mule-packages/lisp/mule-base/cyril-util
/opt/xemacs/lib/xemacs-21.5-b25/lisp/mule/cyril-util
/opt/xemacs/lib/xemacs/mule-packages/lisp/mule-base/china-util
/opt/xemacs/lib/xemacs-21.5-b25/lisp/mule/china-util
/opt/xemacs/lib/xemacs/xemacs-packages/lisp/xemacs-base/regexp-opt
/opt/xemacs/lib/xemacs-21.5-b25/lisp/regexp-opt
/opt/xemacs/lib/xemacs/xemacs-packages/lisp/xemacs-base/easy-mmode
/opt/xemacs/lib/xemacs-21.5-b25/lisp/easy-mmode
/opt/xemacs/lib/xemacs/xemacs-packages/lisp/build/build-report
/opt/xemacs/lib/xemacs-21.5-b25/lisp/build-report)


Installed XEmacs Packages:
-------------------------
(zenirc ver: 1.16 upstream: 2.112)
(xwem ver: 1.22 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: 1.01 upstream: steve at eicq.org--2005/xetla--main--1.1--version-0)
(xemacs-devel ver: 1.75 upstream: No-Upstream-Ver)
(xemacs-base ver: 2.08 upstream: No-Upstream-Ver)
(x-symbol ver: 1.1 upstream: 4.5.1)
(w3 ver: 1.33 upstream: 4.0pre47)
(vm ver: 7.22 upstream: 7.17)
(viper ver: 1.53 upstream: 3.09)
(view-process ver: 1.13 upstream: 2.4)
(vhdl ver: 1.22 upstream: 3.33.12)
(vc-cc ver: 1.22 upstream: No-Upstream-Ver)
(vc ver: 1.41 upstream: No-Upstream-Ver)
(tramp ver: 1.35 upstream: 2.0.55)
(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: 1.92 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: 1.2 upstream: 1.4.4)
(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)
(riece ver: 1.22 upstream: 2.0.2)
(reftex ver: 1.34 upstream: 4.21)
(re-builder ver: 1.05 upstream: 1.20)
(python-modes ver: 1.08 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: 2.09 upstream: No-Upstream-Ver)
(pgg ver: 1.06 upstream: 0.1)
(perl-modes ver: 1.09 upstream: No-Upstream-Ver)
(pcomplete ver: 1.04 upstream: 1.1.6)
(pcl-cvs ver: 1.67 upstream: R-2_9_9)
(pc ver: 1.28 upstream: No-Upstream-Ver)
(os-utils ver: 1.39 upstream: No-Upstream-Ver)
(oo-browser ver: 1.04 upstream: 4.08)
(ocaml ver: 0.06 upstream: 3.06)
(net-utils ver: 1.51 upstream: N/A)
(mmm-mode ver: 1.02 upstream: 0.4.7)
(misc-games ver: 1.19 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: 1.79 upstream: No-Upstream-Ver)
(liece ver: 1.14 upstream: 1.4.9)
(jde ver: 1.51 upstream: 2.3.3)
(ispell ver: 1.32 upstream: 3.6)
(ilisp ver: 1.34 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: 1.1 upstream: 2.1)
(gnus ver: 1.9 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: 1.05 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)
(ess ver: 1.16 upstream: 5.2.7)
(eshell ver: 1.1 upstream: 2.4.1)
(escreen ver: 1.01 upstream: 1.16)
(erc ver: 0.21 upstream: Version 5.1.2 Revision: 1.796.2.6)
(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: 2.37 upstream: No-Upstream-Ver)
(ediff ver: 1.68 upstream: 2.75)
(edebug ver: 1.22 upstream: No-Upstream-Ver)
(ecrypto ver: 0.2 upstream: 2.0)
(ecb ver: 1.22 upstream: 2.31)
(docbookide ver: 0.08 upstream: 0.1)
(dired ver: 1.17 upstream: 7.13)
(dictionary ver: 1.16 upstream: 1.8)
(debug ver: 1.18 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: 1.31 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)
(mule-base ver: 1.49 upstream: No-Upstream-Ver)
(lookup ver: 1.15 upstream: 1.0)
(locale ver: 1.24 upstream: No-Upstream-Ver)
(leim ver: 1.24 upstream: No-Upstream-Ver)
(latin-unity ver: 1.19 upstream: 1.19)
(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:
--------

(vm-folder mail-abbrevs vm-menu vm-reply vm-misc vm-summary vm-mouse
vm-window alist vm-autoload vm-vars highlight-headers vm-version vm
vm-startup xemacsbug shadow vm-auto-fcc sendmail rfc822 dired-faces
dired-xemacs dired latin-unity-tables latin-euro-standards
latin-euro-latin10 latin-euro-latin9 latin-euro-latin8
latin-euro-latin7 latin-unity-vars latin-unity gnuserv sp-ccmode
sp-vmsetup sp-toolbar sp-menubar font byte-optimize bytecomp
byte-compile sp-look x-compose sp-bindings tex-site font-lock
disp-table jka-compr sp-setup frame-icon filladapt advice
advice-preload uniquify func-menu cus-face 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 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 liece-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
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-base-autoloads lookup-autoloads locale-autoloads leim-autoloads
latin-unity-autoloads latin-euro-standards-autoloads egg-its-autoloads
edict-autoloads npc-sp-utils-autoloads npc-packages-autoloads
npc-modes-autoloads modules-autoloads mule-autoloads auto-autoloads
loadhist rsz-minibuf auto-show fontl-hooks canna-leim tibetan lao
devanagari indian slovenian czech romanian ccl code-cmds gutter-items
menubar-items x-menubar mode-motion mouse behavior itimer auto-save
lisp-mode easymenu easy-mmode iso8859-1 page buff-menu lib-complete
cus-file derived newcomment env text-props fontconfig frame obsolete
cus-start custom widget cl-extra cl cl-19 packages backquote unicode
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 mule gutter tiff png
gif jpeg xpm xbm lisp-float-type file-coding linux dialog devices
window-system base64)


Recent keystrokes:
-----------------

misc-user


Recent messages (most recent first):
-----------------------------------

Loading vm-folder...done
Loading vm-folder...
Parsing /home/schrod/Mail/Alias... done
Parsing /home/schrod/Mail/Alias...
Loading mail-abbrevs...done
Loading mail-abbrevs...
Loading vm-menu...done
Loading vm-menu...
Loading vm-reply...done
Loading vm-reply...
Loading vm-misc...done
Loading vm-misc...
Loading vm-summary...done
Loading vm-summary...
Loading vm-mouse...done
Loading vm-mouse...
Loading vm-window...done
Loading vm-window...
Loading alist...done
Loading alist...


==================== end ==============================

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