+
+@item gnus-summary-save-in-pipe
+@findex gnus-summary-save-in-pipe
+\e$B5-;v$r%7%'%k%3%^%s%I$K%Q%$%W$7$^$9!#$3$N4X?t$O0l$D$N0z?t$r<u$1IU$1$^\e(B
+\e$B$9\e(B (\e$BL5$/$F$b9=$$$^$;$s\e(B)\e$B!#$=$l$,J8;zNs$@$C$?$i%3%^%s%I$H$7$F;H$o$l!"\e(B
+@code{nil} \e$B$^$?$O>JN,$5$l$?>l9g$O%3%^%s%I$rF~NO$9$k$3$H$rMW5a$5$l$^$9!#\e(B
+\e$B$=$l$,\e(B @code{default} \e$B$H$$$&%7%s%\%k$@$C$?>l9g\e(B
+\e$B$O!"$b$7\e(B @code{gnus-summary-pipe-output-default-command} \e$BJQ?t$K@_Dj$5$l\e(B
+\e$B$F$$$k%3%^%s%I$^$?$O:G8e$KJ]B8$N$?$a$K;H$o$l$?%3%^%s%I$,$"$l$P!"$=$l$,;H\e(B
+\e$B$o$l$^$9!#%3%^%s%I$O%7%'%k$,2r<a$G$-$kJ8;zNs\e(B (\e$BNc$($P<B9T%3%^%s%I$NL>A0$H\e(B
+\e$B0z?t\e(B) \e$B$G$J$1$l$P$J$j$^$;$s!#\e(B