(I added Cc: ding.)

>>>>> Christoph Conrad wrote:
> No Gnus v0.7
> GNU Emacs 23.0.50.1 (i686-pc-linux-gnu, GTK+ Version 2.10.13, multi-tty)
>  of 2007-09-03 on brabbelbox
> 200 news.gmane.org InterNetNews NNRP server INN 2.4.1 ready (posting ok).

> Hi,

> according to RFC 3986 Appendix C the following URI should be extracted
> correctly when embedded in angle brackets, containing a line break:

<http://www.faz.net/s/Rub560251485DC24AF181BBEF83E12CA16E/Doc~E990108D4B
D2D4C29A2BA6460BE3F10EC~ATpl~Ecommon~Scontent.html>

> This is not the case in current cvs-Gnus when pressing <RET>
> (widget-button-press). Only the first part of the URI before the line
> break is extracted.

There might be a reason neither `ffap-url-at-point' (ffap.el) nor
`thing-at-point' (thingatpt.el) works with such data.  I tried
making Gnus work (the patch is attached to this message).  However,
it currently does not work with the following ones:

>>>>> Christoph Conrad wrote:
> <http://www.faz.net/s/Rub560251485DC24AF181BBEF83E12CA16E/Doc~E990108D4B
> D2D4C29A2BA6460BE3F10EC~ATpl~Ecommon~Scontent.html>

Katsumi> <http://www.jpl.org/
Katsumi> Katsumi>

I think it is hard to make it work with any type of citations.
Any idea?

> ,----
>| In practice, URIs are delimited in a variety of ways, but usually within
>| double-quotes "http://example.com/", angle brackets
>| <http://example.com/>, or just by using whitespace
>| [...]
>| In some cases, extra whitespace (spaces, line-breaks, tabs, etc.) may
>| have to be added to break a long URI across lines. The whitespace should
>| be ignored when the URI is extracted.
> `----

> Best regards,
> Christoph