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Re: Emacs 21 and w3 on Debian


From: Thierry Emery
Subject: Re: Emacs 21 and w3 on Debian
Date: Mon, 23 May 2005 10:30:17 +0200
User-agent: T-gnus/6.17.3 (based on No Gnus v0.3) SEMI/1.14.6 (Maruoka)FLIM/1.14.7 (Sanjō) APEL/10.6 Emacs/22.0.50 (gnu/linux) MULE/5.0 (SAKAKI)

Tim X <address@hidden> writes:

> Well, it seems pretty much any page with a relative link which is not
> relative to the document root of the server. An example is
>
> http://www.une.edu.au/itd/index.html
>
> If you try to follow the "About ITD" link on that page, instead of
> getting 
>
> http://www.une.edu.au/itd/about/index.html

Hmm, strange, this works for me when using the same environment as you have:

Debian GNU/Linux sid
GNU Emacs 21.4.1 (i386-pc-linux-gnu, X toolkit, Xaw3d scroll bars)
 of 2005-03-17 on trouble, modified by Debian
w3-el-e21 4.0pre.2001.10.27-16
w3-url-e21 2001.11.08-7

with the following procedure:

/usr/bin/emacs -q &
M-x w3-fetch
http://www.une.edu.au/itd/index.html
<click on "About ITD">

this does get http://www.une.edu.au/itd/about/index.html ...


However:

1. Errors are signaled when loading images ("Text is read-only"),
   this is solved with:

(defadvice w3-finalize-image-download (around set-inhibit-read-only activate)
  (let ((inhibit-read-only t))
    ad-do-it))

(defadvice widget-image-value-create (around set-inhibit-read-only activate)
  (let ((inhibit-read-only t))
    ad-do-it))

2. Images are not inserted where they belong, this is fixed with:
   
(eval-after-load "w3-widget" (quote
(defun widget-image-value-set (widget value)
  ;; Recreate widget with new value.
  (save-excursion
    (let* ((where (widget-get widget 'where)))
      (widget-image-delete widget)
      (if (or (eq 'image (car-safe value)) ; Emacs 21
              (widget-glyphp value))
          (widget-put widget 'glyph value)
        (widget-put widget :value value))
      (and where
           (goto-char where))
      (put-text-property (point)
                         (progn
                           (widget-apply widget :create)
                           (point))
                         'inaudible
                         widget-image-inaudible-p))))
))

3. There are ">" glitches, which are eliminated with:

(add-hook 'w3-parse-hooks
          (lambda ()
            (while (search-forward "/>" nil t) 
              (replace-match ">"))))


Hoping this helps,

Thierry
-- 
thierry |point| emery |chez| free |point| fr


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