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Re: nxml-mode autoload?


From: Jean Magnan de Bornier
Subject: Re: nxml-mode autoload?
Date: Sun, 30 Oct 2005 12:55:21 +0100
User-agent: Gnus/5.110004 (No Gnus v0.4) Emacs/22.0.50 (gnu/linux)

Arturius mac Aidan <abysmal@waters.loch> wrote :

> These entries are in my .emacs
> ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
> ;; autoinsert.el
> ;;http://www.linuxgazette.com/issue39/marsden.html
>
> (setq auto-mode-alist
>       (append '(("\\.h$" . c++-mode)
>                 ("\\.cpp\\'" . c++-mode)
>                 ("\\.moc\\'" . c++-mode))
>               auto-mode-alist))
>
> (add-hook 'find-file-hooks 'auto-insert)
> (setq-default auto-insert-query nil)
>
> ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
> ;; www.thaiopensource.com/nxml-mode
> ;; per the ~/.emacs.d/lisp/nxml-mode-20041004/README
> (load "~/.emacs.d/lisp/nxml-mode-20041004/rng-auto.el")
> (setq auto-mode-alist
>       (append '(("\\.xml\\'" . nxml-mode)
>                 ("\\.xsl\\'" . nxml-mode)
>                 ("\\.rng\\'" . nxml-mode)
>                 ("\\.xhtml\\'" . nxml-mode))
>               auto-mode-alist))
> ;;;;;;;;;;;;;;;;;EOF;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
>
>
> The first auto-mode-alist entries (for c++) work as expected.  the ones for
> nxml-mode do not work.  I can, however, start the mode with `M-x
> nxml-mode<ret>'. Does anybody know why this is not working?
>
On emacs-wiki you can find this solution:

 (fset 'xml-mode 'nxml-mode)

There was a recent discussion on the french emacs group, somebody argued
this solution was lame, and proposed the following:

    (defcustom drkm-misc:magic-modes-to-delete
        '(html-mode sgml-mode xml-mode)
      "List of mode symbols whose entries to delete in
       `magic-mode-alist'."
      :type  '(repeat symbol)
      :group 'drkm)

    (when (boundp 'magic-mode-alist)
      (setq magic-mode-alist
            (delete-if (lambda (cell)
                         (memq (cdr cell)
                               drkm-misc:magic-modes-to-delete))
                       magic-mode-alist)))

    (push '("\\`<\\?xml" . nxml-mode) magic-mode-alist)

This works well, provided you load cl (before these commands) if it is not
 already loaded: 

(require 'cl)

I cannot explain these lines but they have to do with the
"magic-mode-alist" interfering in some way with "auto-mode-alist".

hth,
-- 
  Jean Magnan de Bornier             |        Cours Victor Hugo
  e-mots: jean at bornier.net        |        13980 Alleins   France
  T 08 70 39 34 03                   |        P 06 09 17 35 87


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