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From: Romain Francoise <romain@orebokech.com>
Subject: Re: Should `auto-coding-functions' be mode-specific?
Date: Sun, 07 Jan 2007 14:47:26 +0100	[thread overview]
Message-ID: <87k5zzq781.fsf@pacem.orebokech.com> (raw)
In-Reply-To: <8764bkeydx.fsf@jurta.org> (Juri Linkov's message of "Sun\, 07 Jan 2007 01\:33\:55 +0200")

Juri Linkov <juri@jurta.org> writes:

> The reported bug can occur even without my change because "<html"
> was not anchored at the beginning of the buffer and can match
> "<html" in the presented HTML snippet near the top.

Right.

> But then why not to go further and use the same regexp as used for
> detecting HTML files in `magic-mode-alist'?  It seems reasonable
> to detect the HTML encoding exactly in the same files that later
> recognized as HTML according to the file contents.

I think it's a good idea, and it is easy to do (see below).
But it would reopen your original issue: that encoding detection
doesn't work in Mozilla bookmark files.

Index: lisp/international/mule.el
===================================================================
RCS file: /cvsroot/emacs/emacs/lisp/international/mule.el,v
retrieving revision 1.250
diff -c -r1.250 mule.el
*** lisp/international/mule.el	5 Jan 2007 17:58:02 -0000	1.250
--- lisp/international/mule.el	7 Jan 2007 13:43:29 -0000
***************
*** 2292,2309 ****
  			;; In case of no header, search only 10 lines.
  			(forward-line 10))
  		    (point))))
!   ;; Make sure that the buffer really contains an HTML document, by
!   ;; checking that it starts with a doctype or a <HTML> start tag
!   ;; (allowing for whitespace at bob).  Note: 'DOCTYPE NETSCAPE' is
!   ;; useful for Mozilla bookmark files.
!   (when (and (re-search-forward "\\`[[:space:]\n]*\\(<!doctype[[:space:]\n]+\\(html\\|netscape\\)\\|<html\\)" size t)
! 	     (re-search-forward "<meta\\s-+http-equiv=[\"']?content-type[\"']?\\s-+content=[\"']text/\\sw+;\\s-*charset=\\(.+?\\)[\"']" size t))
!     (let* ((match (match-string 1))
! 	   (sym (intern (downcase match))))
!       (if (coding-system-p sym)
! 	  sym
! 	(message "Warning: unknown coding system \"%s\"" match)
! 	nil))))
  
  ;;;
  (provide 'mule)
--- 2292,2311 ----
  			;; In case of no header, search only 10 lines.
  			(forward-line 10))
  		    (point))))
!   ;; Make sure that the buffer really contains an HTML document.  We
!   ;; assume that the first entry that associates itself to html-mode in
!   ;; `magic-mode-alist' is good enough to detect HTML documents
!   ;; reliably.
!   (let ((html-re (car (rassoc 'html-mode magic-mode-alist))))
!     (when (and html-re
! 	       (re-search-forward (concat "\\`" html-re) size t)
! 	       (re-search-forward "<meta\\s-+http-equiv=[\"']?content-type[\"']?\\s-+content=[\"']text/\\sw+;\\s-*charset=\\(.+?\\)[\"']" size t))
!       (let* ((match (match-string 1))
! 	     (sym (intern (downcase match))))
! 	(if (coding-system-p sym)
! 	    sym
! 	  (message "Warning: unknown coding system \"%s\"" match)
! 	  nil)))))
  
  ;;;
  (provide 'mule)

-- 
Romain Francoise <romain@orebokech.com> | The sea! the sea! the open
it's a miracle -- http://orebokech.com/ | sea! The blue, the fresh, the
                                        | ever free! --Bryan W. Procter

  reply	other threads:[~2007-01-07 13:47 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-02 20:43 Should `auto-coding-functions' be mode-specific? Romain Francoise
2007-01-02 22:14 ` Lennart Borgman (gmail)
2007-01-03  0:54 ` Kevin Ryde
2007-01-03  3:34 ` Richard Stallman
2007-01-03 12:09   ` Vincent Lefevre
2007-01-04  2:31     ` Richard Stallman
2007-01-04  4:14       ` Kenichi Handa
2007-01-04 19:02         ` Romain Francoise
2007-01-04 22:33         ` Richard Stallman
2007-01-05 18:04           ` Romain Francoise
2007-01-03  5:26 ` Kevin Rodgers
2007-01-03 14:18   ` Ralf Mattes
2007-01-04  8:44   ` Romain Francoise
2007-01-06 23:33     ` Juri Linkov
2007-01-07 13:47       ` Romain Francoise [this message]
2007-01-07 16:22         ` Juri Linkov
2007-01-08 19:46           ` Romain Francoise

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