* Re: nnrss not working for me
[not found] <871xp0xoru.fsf@everett.mit.edu>
@ 2004-02-18 3:40 ` David Z Maze
2004-05-16 18:16 ` Lars Magne Ingebrigtsen
0 siblings, 1 reply; 2+ messages in thread
From: David Z Maze @ 2004-02-18 3:40 UTC (permalink / raw)
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David Z Maze <dmaze@mit.edu> writes:
> nnrss is this neat theoretical concept for me, but I've never quite
> gotten it working (including through the 5.10.x series, so I'll ask
> the newsgroup). I'm running current CVS Gnus. If I try to subscribe
> to an RSS group, this happens:
>
> G R http://donut.mit.edu/blog/index.rss
> (*Gnus churns for a bit, prodding donut*)
> Title: blog.donut
> Description: blog.donut
> No such newsgroup: nnrss:blog.donut
So after much hacking, I finally found out that the root of my
problems is that the RSS feed declares
<rdf:RDF
xmlns="http://purl.org/rss/1.0/"
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:dc="http://purl.org/dc/elements/1.1/"
xmlns:admin="http://webns.net/mvcb/"
xmlns:content="http://purl.org/rss/1.0/modules/content/"
xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/"
>
but nnrss-get-namespace-prefix was returning a prefix of ":" when
looking for "http://purl.org/rss/1.0/" as an XML namespace; it should
have returned "". It turns out that you can have two distinct empty
elisp strings that are equal but not eq, so:
[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
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--- nnrss.el 14 Feb 2004 00:29:45 -0000 7.5
+++ nnrss.el 18 Feb 2004 03:39:12 -0000
@@ -730,7 +730,7 @@
"")
((eq (length nslist) 2) ; extract prefix
(cadr nslist)))))
- (if (and ns (not (eq ns "")))
+ (if (and ns (not (equal ns "")))
(concat ns ":")
ns)))
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Thanks,
--
David Maze dmaze@mit.edu http://www.mit.edu/~dmaze/
"Theoretical politics is interesting. Politicking should be illegal."
-- Abra Mitchell
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: nnrss not working for me
2004-02-18 3:40 ` nnrss not working for me David Z Maze
@ 2004-05-16 18:16 ` Lars Magne Ingebrigtsen
0 siblings, 0 replies; 2+ messages in thread
From: Lars Magne Ingebrigtsen @ 2004-05-16 18:16 UTC (permalink / raw)
David Z Maze <dmaze@MIT.EDU> writes:
> It turns out that you can have two distinct empty elisp strings that
> are equal but not eq, so:
Yup. `eq' tests for object identity, and "" and "" are two distinct
objects.
--
(domestic pets only, the antidote for overdose, milk.)
larsi@gnus.org * Lars Magne Ingebrigtsen
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2004-02-18 3:40 ` nnrss not working for me David Z Maze
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