bug#10338: 23.3; Firefox includes a jar file which is not recognied as a

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They've optimized for read performance by rearranging the sections of

the file (and the files inside the archive). As a result the magic is

slightly different and Emacs doesn't recognize the file, even though the

zip/unzip tools the user has may be well able to handle it.

=== modified file 'lisp/arc-mode.el'

--- lisp/arc-mode.el 2011-12-15 07:24:10 +0000

+++ lisp/arc-mode.el 2011-12-20 22:32:35 +0000

@@ -748,6 +748,7 @@

;; as an archive by other software.

(let (case-fold-search)

(cond ((looking-at "\$PK00\$?[P]K\003\004") 'zip)

+ ((looking-at "....PK\001\002") 'zip)

((looking-at "..-l[hz][0-9ds]-") 'lzh)

((looking-at "....................[\334]\247\304\375") 'zoo)

((and (looking-at "\C-z") ; signature too simple, IMHO

I'm including a patch to 24.0.50, which I just checked out. I haven't

been using it on this machine.

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Content-Type: application/octet-stream

Content-Disposition: attachment; filename=zip-magic.bundle

Content-Transfer-Encoding: base64

Content-Description: git commit that fixes this problem

IyB2MiBnaXQgYnVuZGxlCi01NWNlZDNjNzBkNGM2YTVhNTI0OWZkYjk2Y2Y1Nzk3MDI1NTA1ZDk1

IFVwZGF0ZSBwcm9ncmFtcy50ZXhpIGFuZCBjYy1tb2RlLnRleGkgZm9yIG5ldyBDQyBNb2RlIGZl

YXR1cmVzOiBjYy1tb2RlLnRleGk6IFVwZGF0ZSB2ZXJzaW9uIHN0cmluZyB0byA1LjMyLiBwcm9n

cmFtcy50ZXhpOiBEZXNjcmliZSAiZ3Vlc3NpbmciIG9mIGluZGVudGF0aW9uIHN0eWxlLiAgVXBk

YXRlIEMtTS1hL2UuCjU5NTY5MzIzODY4ZGE3ZmE5YmNhNzA0NTdjMDUwZTZhNzZhMjc0ZDggSEVB

RAoKUEFDSwAAAAIAAAAEnzN4nI1SzY6bMBC+8xSjvXS3SigkOISqqqq2W6nnfYLBHsAK2NQesmGf

vgPsqu2tF4TNfL8DByKo83OTV6qpD3hQ6ljkp2OVFWfURyxNnhE1iuqqOCcjBnIMSmkyR11mptAn

VKgORdWYujrpRpVVmQlJpkylEpy48wG+o7PUw9fg/SXCJ1MX59uX9Zk64s+QHw9FccjKLId9ds6y

RPthsMz0v9C8VMdXaPIeehvHDxj0fvCGUkHfy6GzV9o3tqc9zyM9fIRA2rfOvhAgvNgRlm/AHTJ0

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MAavKcadxALLEh1N3CSHSXdvodYGXhVk03FhEwfLZwGJde2dWOHlJMm2OAiRfk3yV1jsV+L0Ye1l

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8icfKJTg0wOCAO8YAwNDIDba/Drf8RkA7XMNSTY08bjoazSA8VXWJlozFu5bfPWk

--=-=-=

If outlook has mangled this badly, I can resend it from my usual computer later.

In GNU Emacs 23.3.1 (i386-mingw-nt5.1.2600)

of 2011-03-10 on 3249CTO

Windowing system distributor `Microsoft Corp.', version 5.1.2600

configured using `configure --with-gcc (4.5) --no-opt --cflags -Ic:/imagesupport/include'

Important settings:

value of $LC_ALL: nil

value of $LC_COLLATE: nil

value of $LC_CTYPE: nil

value of $LC_MESSAGES: nil

value of $LC_MONETARY: nil

value of $LC_NUMERIC: nil

value of $LC_TIME: nil

value of $LANG: ENU

value of $XMODIFIERS: nil

locale-coding-system: cp1252

default enable-multibyte-characters: t

Major mode: nXML

Minor modes in effect:

shell-dirtrack-mode: t

server-mode: t

show-paren-mode: t

recentf-mode: t

mouse-wheel-mode: t

file-name-shadow-mode: t

global-font-lock-mode: t

font-lock-mode: t

auto-encryption-mode: t

auto-compression-mode: t

line-number-mode: t

transient-mark-mode: t

Recent input:

<down> <down> C-h v <C-down-mouse-1> <return> C-h v

<return> M-x c u s t o <tab> - v <tab> <return> a r

c h i v e - z i p - e x t r a c t <return> C-x b o

m n <return> C-x b C-s <return> <up> <up> <up> <up>

<up> <up> <up> <up> <up> <up> <up> C-h f <return> C-x

o <tab> <return> C-x 1 <right> <right> <left> <left>

<right> C-h v C-g <C-down-mouse-1> C-h f <return> C-x

o <tab> C-x o <right> <down> <down> <down> C-x o <down>

<up> <up> C-x o <up> <up> <up> <down> <down> ( t SPC

n i l C-e <backspace> <backspace> C-x C-s C-x b <return>

C-x b <down-mouse-1> <mouse-2> <return> C-g <C-down-mouse-1>

C-g C-x o C-x o C-g C-x b <return> C-x k <return> C-x

b <return> <down> <down> C-e C-x C-e C-x b <return>

<up> <return> C-x <down-mouse-1> <mouse-1> b C-g C-g

C-g C-x b <return> <up> <up> <left> <left> <left> <left>

<left> <left> <left> ' <down> <down> C-e C-x C-e C-x

C-s C-x b <return> <return> <next> <next> <next> <next>

<next> C-x k <return> C-x 1 C-s p a g e i n f o C-a

<next> <next> <next> <next> <C-home> M-x r e p o r

t <tab> <return>

Recent messages:

Quit [5 times]

archive-extract-by-stdout

Symbol's function definition is void: t

Quit [3 times]

archive-extract-by-stdout

Saving file c:/mozilla-build/emacs-23.3/lisp/arc-mode.el...

Wrote c:/mozilla-build/emacs-23.3/lisp/arc-mode.el

call-interactively: End of buffer [2 times]

Mark saved where search started

Mark set

Load-path shadows:

c:/Documents and Settings/brooksd/.emacs.d/maxframe.el/maxframe hides c:/Documents and Settings/brooksd/.emacs.d/maxframe

c:/Documents and Settings/brooksd/.emacs.d/loaddefs hides c:/mozilla-build/emacs-23.3/lisp/loaddefs

c:/Documents and Settings/brooksd/.emacs.d/custom hides c:/mozilla-build/emacs-23.3/lisp/custom

c:/Documents and Settings/brooksd/.emacs.d/elpa/ruby-mode-1.1/ruby-mode hides c:/mozilla-build/emacs-23.3/lisp/progmodes/ruby-mode

c:/Documents and Settings/brooksd/.emacs.d//elpa-to-submit/cperl-mode hides c:/mozilla-build/emacs-23.3/lisp/progmodes/cperl-mode

Features:

(shadow flyspell ispell mail-extr message ecomplete rfc822 mml mml-sec

mm-decode mm-bodies mailabbrev nnheader gmm-utils mailheader canlock

sha1 hex-util hashcash mail-utils emacsbug nxml-uchnm 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 css-mode apropos generic vc-git ebnf2ps ps-print ps-def lpr

epg-config timeclock time-stamp tar-mode sort snmp-mode tempo remember

generic-x forms-mode forms doc-view jka-compr image-mode dired dns-mode

conf-mode newcomment pp cus-edit multi-isearch ruler-mode mule-util hexl

descr-text hi-lock find-func debug help-mode view arc-mode archive-mode

tramp-imap assoc tramp-gw tramp-fish tramp-cache tramp-ftp tramp-cmds

tramp auth-source gnus-util netrc shell comint ring password-cache

format-spec tramp-compat trampver eldoc paredit hl-line

idle-highlight-mode epresent derived org-latex org-export-latex

regexp-opt footnote org-exp org-exp-blocks org-agenda org-clock org

byte-opt warnings bytecomp byte-compile org-footnote org-src org-list

org-faces org-compat org-macs noutline outline easy-mmode server elnode

mm-encode mailcap mail-parse rfc2231 rfc2047 rfc2045 qp ietf-drums

mm-util time-date mail-prsvr maxframe linum cus-start cus-load

starter-kit-js starter-kit-ruby starter-kit-perl starter-kit-lisp

starter-kit-eshell starter-kit-registers starter-kit-misc ido paren

starter-kit-bindings windmove edmacro kmacro starter-kit-defuns imenu

thingatpt dominating-file recentf tree-widget wid-edit easymenu

ansi-color uniquify advice help-fns advice-preload ffap saveplace

starter-kit-elpa cl cl-19 find-file-in-project-autoloads gist-autoloads

idle-highlight-autoloads idle-highlight-mode-autoloads

inf-ruby-autoloads magit-autoloads ruby-mode-autoloads

yaml-mode-autoloads package tooltip ediff-hook vc-hooks lisp-float-type

mwheel dos-w32 disp-table ls-lisp w32-win w32-vars tool-bar dnd fontset

image fringe lisp-mode register page menu-bar rfn-eshadow timer select

scroll-bar mldrag 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 loaddefs button minibuffer faces cus-face files

text-properties overlay md5 base64 format env code-pages mule custom

widget hashtable-print-readable backquote make-network-process multi-tty

emacs)

--=-=-=--*** E-Mail body has been placed on clipboard, please paste it here! ***

From:	Brooks, Daniel
Subject:	bug#10338: 23.3; Firefox includes a jar file which is not recognied as a zip file (omni.jar)
Date:	Tue, 20 Dec 2011 21:51:18 -0500