From mboxrd@z Thu Jan  1 00:00:00 1970
From: Nick Dokos <nicholas.dokos@hp.com>
Subject: Re: Re: org-feed and http_proxy
Date: Fri, 09 Apr 2010 10:55:22 -0400
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In-reply-to: Message from zwz <zhangweize@gmail.com> of
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To: zwz <zhangweize@gmail.com>
Cc: nicholas.dokos@hp.com, emacs-orgmode@gnu.org

zwz <zhangweize@gmail.com> wrote:

> Carsten Dominik <carsten.dominik@gmail.com> writes:
> ...
> > ...
> > Org-mode is using url-retrieve-synchonously, so this must be a cacheing
> > issue in the url package.
> >
> > One thing you might try is to use curl or wget instead - see the variable
> > `org-feed-retrieve-method'.
> >
> 
> I do not know there is such a variable
> is it introduced in 6.35?
> I will try out the latest version. Thanks!
> 

It was introduced way back when:

,----
| commit b6e7a1c5ca283b37a0d73e397b3d7dd2f5e58227
| Author: Carsten Dominik <carsten.dominik@gmail.com>
| Date:   Tue Mar 24 10:20:30 2009 +0100
| 
|     New file lisp/org-feed.el
| 
| ...
| +(defcustom org-feed-retrieve-method 'url-retrieve-synchronously
| +  "The method to be used to retrieve a feed URL.
| +This can be `curl' or `wget' to call these external programs, or it can be
| +an Emacs Lisp function that will return a buffer containing the content
| +of the file pointed to by the URL."
| ...
`----


You might not have had org-feed.el loaded when you went looking for it.

Nick