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From: ShengHuo ZHU <zsh@cs.rochester.edu>
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Subject: Re: how does expiry-target work?
Date: 22 Nov 2000 17:11:59 -0500
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janneke@gnu.org writes:

> Ah, that's it.  You can see from my comments that I haven't really
> grasped the finer details of Gnus, but here's a start that seems to
> work.  It may need some cleaning, possibly by someone who knows the
> answer to my comments.

[...]

> +;; Do we need this?  We can't seem to use nnmail-expiry-target-group.
> +;; What exacty is generic, and what's backend (nnmail, nnml, nnheader)?
> +;; -- jcn

We can use nnmail-expiry-target-group. nnml is a backend. nnmail and
nnheader are mail support functions for Gnus backends.


[...]

> @@ -263,6 +289,13 @@
>  		 (setq is-old
>  		       (nnmail-expired-article-p newsgroup mod-time force)))
>  	    (progn
> +	      ;; Allow a special target group. -- jcn
> +	      (unless (eq nnmh-expiry-target 'delete)
> +		(with-temp-buffer
> +		  (nnmh-request-article (car articles)
> +					newsgroup server (current-buffer))
> +		  (nnmh-expiry-target-group
> +		   nnmh-expiry-target group)))
>  	      (nnheader-message 5 "Deleting article %s in %s..."
>  				article newsgroup)
>  	      (condition-case ()

I guess we only need this part after replacing nnmh with nnmail.

ShengHuo