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(gnus)Customizing w3

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Customizing w3
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   Gnus uses the url library to fetch web pages and Emacs/w3 to display
web pages.  Emacs/w3 is documented in its own manual, but there are some
things that may be more relevant for Gnus users.

   For instance, a common question is how to make Emacs/w3 follow links
using the `browse-url' functions (which will call some external web
browser like Netscape).  Here's one way:

     (eval-after-load "w3"
       '(progn
         (fset 'w3-fetch-orig (symbol-function 'w3-fetch))
         (defun w3-fetch (&optional url target)
           (interactive (list (w3-read-url-with-default)))
           (if (eq major-mode 'gnus-article-mode)
               (browse-url url)
             (w3-fetch-orig url target)))))

   Put that in your `.emacs' file, and hitting links in w3-rendered
HTML in the Gnus article buffers will use `browse-url' to follow the
link.