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[debbugs-tracker] bug#15577: closed (24.3; dir-local variables not appli

From: GNU bug Tracking System
Subject: [debbugs-tracker] bug#15577: closed (24.3; dir-local variables not applied when switching major-mode)
Date: Thu, 05 May 2016 11:25:02 +0000

Your message dated 5 May 2016 11:24:13 -0000
with message-id <address@hidden>
and subject line Re: bug#23407: .dir-local settings get obliterated on running 
a major  mode function.
has caused the debbugs.gnu.org bug report #23407,
regarding 24.3; dir-local variables not applied when switching major-mode
to be marked as done.

(If you believe you have received this mail in error, please contact

23407: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=23407
GNU Bug Tracking System
Contact address@hidden with problems
--- Begin Message --- Subject: 24.3; dir-local variables not applied when switching major-mode Date: Wed, 9 Oct 2013 16:14:00 -0400
This bug report will be sent to the Bug-GNU-Emacs mailing list
and the GNU bug tracker at debbugs.gnu.org.  Please check that
the From: line contains a valid email address.  After a delay of up
to one day, you should receive an acknowledgment at that address.

Please write in English if possible, as the Emacs maintainers
usually do not have translators for other languages.

Please describe exactly what actions triggered the bug, and
the precise symptoms of the bug.  If you can, give a recipe
starting from `emacs -Q':

If I create a ".dir-locals.el" that applies to all major modes, such as:
  ((nil . ((tab-width . 3))))
It works when first opening any file under that directory- good. But, if
I switch the buffer's major-mode, it loses the directory-local
tab-width - and I've seen it lose other variables as well.

An alternate case showing the same is to have a ".dir-locals.el" like:
  ((js-mode . ((tab-width . 3))))

and opening a non-JS file in the directory, such as an HTML file, and
then switching to js-mode. Since I'm now editing the file in js-mode,
I would want it to read the js-mode dir-local variables.

Losing dir-locals seems like a bug to me, though perhaps there is a
reason for it. I did notice from other dir-local-related bugs that
they require some
thought as to how to handle edge cases...

In GNU Emacs 24.3.1 (i386-mingw-nt5.1.2600)
 of 2013-03-17 on MARVIN
Windowing system distributor `Microsoft Corp.', version 5.1.2600
Configured using:
 `configure --with-gcc (4.7) --cflags

Important settings:
  value of $LANG: ENU
  locale-coding-system: cp1252
  default enable-multibyte-characters: t

Major mode: Info

Minor modes in effect:
  yas-global-mode: t
  yas-minor-mode: t
  global-auto-complete-mode: t
  diff-auto-refine-mode: t
  recentf-mode: t
  desktop-save-mode: t
  tooltip-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  buffer-read-only: t
  line-number-mode: t
  transient-mark-mode: t

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mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader
sendmail rfc2047 rfc2045 ietf-drums conf-mode sh-script smie executable
info dos org-table org-wl org-w3m org-vm org-rmail org-mhe org-mew
org-irc org-jsinfo org-infojs org-html org-exp ob-exp org-exp-blocks
org-agenda org-info org-gnus org-docview org-bibtex bibtex org-bbdb
face-remap gtags js json moz imenu thingatpt vc-git js2-mode-autoloads
finder-inf undo-tree-autoloads package multi-web-mode mumamo-fun
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auto-complete-config auto-complete popup flymake-jslint flymake php-mode
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w32shell w32-grep rebind ourcomments-widgets ourcomments-util rx
cus-edit cus-start cus-load uniquify recentf tree-widget mm-url url
url-proxy url-privacy url-expand url-methods url-history url-cookie
url-domsuf url-util url-parse auth-source eieio password-cache url-vars
mailcap gnus gnus-ems nnheader gnus-util mail-utils mm-util mail-prsvr
org ob-tangle ob-ref ob-lob ob-table org-footnote org-src ob-comint
ob-keys org-pcomplete pcomplete org-list org-faces org-entities noutline
outline org-version ob-emacs-lisp ob org-compat org-macs ob-eval
org-loaddefs format-spec find-func cal-menu calendar cal-loaddefs ido
grep compile comint ansi-color ring bookmark pp apropos mumamo byte-opt
warnings bytecomp byte-compile cconv advice help-fns advice-preload
sgml-mode ruby-mode rng-nxml rng-valid rng-loc rng-uri rng-parse
nxml-parse rng-match rng-dt rng-util rng-pttrn nxml-ns nxml-mode
nxml-outln nxml-rap nxml-util nxml-glyph nxml-enc xmltok mumamo-cmirr
flyspell ispell desktop cc-engine cc-vars cc-defs new-key-seq-widget
edmacro kmacro wid-edit hfyview easy-mmode easymenu htmlfontify cl-macs
gv cl cl-lib noprint nxhtml-loader emacsw32-eol time-date tooltip
ediff-hook vc-hooks lisp-float-type mwheel dos-w32 ls-lisp
w32-common-fns disp-table w32-win w32-vars tool-bar dnd fontset image
regexp-opt fringe tabulated-list newcomment lisp-mode register page
menu-bar rfn-eshadow timer select scroll-bar mouse jit-lock font-lock
syntax facemenu font-core frame cham georgian utf-8-lang misc-lang
vietnamese tibetan thai tai-viet lao korean japanese hebrew greek
romanian slovak czech european ethiopic indian cyrillic chinese
case-table epa-hook jka-cmpr-hook help simple abbrev minibuffer loaddefs
button faces cus-face macroexp files text-properties overlay sha1 md5
base64 format env code-pages mule custom widget hashtable-print-readable
backquote make-network-process w32 multi-tty emacs)

--- End Message ---
--- Begin Message --- Subject: Re: bug#23407: .dir-local settings get obliterated on running a major mode function. Date: 5 May 2016 11:24:13 -0000 User-agent: tin/2.3.1-20141224 ("Tallant") (UNIX) (FreeBSD/10.3-RELEASE (amd64))
Bug fixed in savannah master branch.

Alan Mackenzie (Nuremberg, Germany).

--- End Message ---

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