Re: nnrss-ignore-article-fields for more than just fields

[Ted Zlatanov <tzz@lifelogs.com>]

On Fri, 31 Oct 2008 16:00:40 +0800 jidanni@jidanni.org wrote: 

>> In No Gnus, there's `nnrss-ignore-article-fields' to deal with
>> duplicated articles.

j> Is that something to do with Slashdot? Perhaps its a
j> Slash:Comments: 44 field?

Yes, slash:comments update very often.

j> Anyway, here's the difference between two articles I wish nnrss would
j> consider the same
j> 8c8
j> < Message-ID: <496@TorrentFreak.nnrss>
j> ---
>> Message-ID: <512@TorrentFreak.nnrss>
j> 72,75c72
j> < href="http://torrentfreak.com">Torre
j> < href="http://feedads.googleadservice
j> < src="http://feedads.googleadservices
j> < border="0" ismap="true"></img></a></
j> ---
>> href="http://torrentfreak.com">Torre
j> 94c91
j> < <p><a href="http://feedads.googleads
j> ---
>> 

j> I.e., I need not be informed of a slight rewrite of their article, in
j> _some_ groups only, not all. So what should I set
j> nnrss-ignore-article-fields to?

Check my earlier post (I'm waiting for Reiner to approve its commit to
CVS, but the patch is appended).  This will show you each checked RSS
item as a Lisp structure so you can see which fields are duplicated.
FWIW I disabled "description" and now Reddit works OK.

Index: nnrss.el
===================================================================
RCS file: /usr/local/cvsroot/gnus/lisp/nnrss.el,v
retrieving revision 7.59
diff -c -r7.59 nnrss.el
*** nnrss.el    11 Jun 2008 14:19:44 -0000      7.59
--- nnrss.el    31 Oct 2008 17:38:01 -0000
***************
*** 684,691 ****
      (buffer-string)))
  
  ;;; Snarf functions
- 
  (defun nnrss-make-hash-index (item)
    (setq item (gnus-remove-if
              (lambda (field)
                (when (listp field)
--- 684,691 ----
      (buffer-string)))
  
  ;;; Snarf functions
  (defun nnrss-make-hash-index (item)
+   (gnus-message 9 "nnrss: Making hash index of %s" (gnus-prin1-to-string item))
    (setq item (gnus-remove-if
              (lambda (field)
                (when (listp field)