+\e$B0J2<$N%3%^%s%I$O0l;~E*$J%0%k!<%W$r:n$j$^$9!#$=$l$i$O\e(B Group \e$B%P%C%U%!!<$+\e(B
+\e$B$i$@$1$G$O$J$/!"$I$N\e(B Gnus \e$B%P%C%U%!!<$+$i$b8F$V$3$H$,$G$-$^$9!#\e(B
+
+@table @code
+@item gnus-read-ephemeral-gmane-group
+@findex gnus-read-ephemeral-gmane-group
+@vindex gnus-gmane-group-download-format
+Gmane.org \e$B$G0l;~E*$J%0%k!<%W$r9VFI$9$k$?$a$N%3%^%s%I$G$9!#5-;v\e(B
+\e$B$O\e(B @code{gnus-gmane-group-download-format} \e$B$K$h$C$F;XDj$5$l\e(B
+\e$B$?\e(B @acronym{URL} \e$B$r;H$C$F\e(B HTTP \e$B$G%@%&%s%m!<%I$5$l$^$9!#\e(BGnus \e$B$O%0%k!<%WL>\e(B
+\e$B$H:G=i$N5-;vHV9f$*$h$S5-;v?t$NHO0O$r?R$M$^$9!#\e(B
+
+@item gnus-read-ephemeral-gmane-group-url
+@findex gnus-read-ephemeral-gmane-group-url
+\e$B$3$N%3%^%s%I$O\e(B @code{gnus-read-ephemeral-gmane-group} \e$B$K;w$F$$$^$9$,!"%0\e(B
+\e$B%k!<%WL>$H:G=i$N5-;vHV9f$*$h$S5-;v?t$NHO0O$O!"M?$($i$l\e(B
+\e$B$?\e(B @acronym{URL} \e$B$r85$K7hDj$5$l$^$9!#%5%]!<%H$5$l$F$$$k\e(B @acronym{URL} \e$B$N\e(B
+\e$B7A<0$O!"Nc$($P<!$N$h$&$J$b$N$G$9\e(B:
+@url{http://thread.gmane.org/gmane.foo.bar/12300/focus=12399},
+@url{http://thread.gmane.org/gmane.foo.bar/12345/},
+@url{http://article.gmane.org/gmane.foo.bar/12345/},
+@url{http://permalink.gmane.org/gmane.foo.bar/12345/}, \e$B$*$h\e(B
+\e$B$S\e(B @url{http://news.gmane.org/group/gmane.foo.bar/thread=12345}\e$B!#\e(B
+
+@item gnus-read-ephemeral-emacs-bug-group
+@findex gnus-read-ephemeral-emacs-bug-group
+\e$B0l;~E*$J%0%k!<%W$G\e(B Emacs \e$B$N%P%0%j%]!<%H$r9VFI$7$^$9!#\e(BGnus \e$B$O%P%0$NHV9f$r\e(B
+\e$B?R$M$^$9!#%G%#%U%)%k%H$O8=:_0LCV$NHV9f$G$9!#\e(B
+@acronym{URL} \e$B$O\e(B @code{gnus-bug-group-download-format-alist} \e$B$G;XDj$7$^\e(B
+\e$B$9!#\e(B
+
+@item gnus-read-ephemeral-debian-bug-group
+@findex gnus-read-ephemeral-debian-bug-group
+\e$B0l;~E*$J%0%k!<%W$G\e(B Debian \e$B$N%P%0%j%]!<%H$r9VFI$7$^$9!#\e(B
+@code{gnus-read-ephemeral-emacs-bug-group} \e$B$K;w$F$$$^$9!#\e(B
+@end table
+
+\e$B$3$l$i$N%3%^%s%I$N$$$/$D$+$O!"5-;v$N%\%?%s$H$7$F$bJXMx$G$9!#\e(B
+@xref{Article Buttons}.
+
+\e$BNc\e(B:
+@lisp
+(require 'gnus-art)
+(add-to-list
+ 'gnus-button-alist
+ '("#\\([0-9]+\\)\\>" 1
+ (string-match "\\<emacs\\>" (or gnus-newsgroup-name ""))
+ gnus-read-ephemeral-emacs-bug-group 1))
+@end lisp
+