@code{nnmail-split-fancy-with-parent} \e$B$O!"BP>]$H$J$k3F5-;v$N\e(B References
(\e$B$H\e(B In-Reply-To) \e$B%X%C%@$rD4$Y!"\e(B@code{nnmail-message-id-cache-file} \e$B$K;X\e(B
\e$BDj$5$l$F$$$k%U%!%$%k$K$=$l$i$N%a%C%;!<%8\e(B ID \e$B$,$"$k$+$I$&$+D4$Y$^$9!#?F5-\e(B
-\e$B;v$,8+$D$+$k$H!"$3$N4X?t$OBP1~$9$k%0%k!<%WL>$rJV$9$o$1$G$9!#$3$3$G!"JQ?t\e(B
-@code{nnmail-message-id-cache-length} \e$B$NCM$r4{DjCM$h$j$b4v$i$+Bg$-$JCM$K\e(B
-\e$B@_Dj$9$k$3$H$r$*4+$a$7$^$9!#$=$&$9$k$H!":#D4$Y$i$l$?%a%C%;!<%8\e(B ID \e$BC#$O:#\e(B
-\e$B$7$P$i$/%-%c%C%7%e$NCf$KB8B3$G$-$^$9\e(B (5000 \e$B$K@_Dj$9$k$H%-%c%C%7%e%U%!%$\e(B
-\e$B%k$NBg$-$5$O$@$$$?$$\e(B 300 \e$B%-%m%P%$%H$0$i$$$K$J$k$_$?$$$G$9\e(B)\e$B!#\e(B
+\e$B;v$,8+$D$+$k$H!"$=$N%0%k!<%WL>$,@55,I=\e(B
+\e$B8=\e(B @code{nnmail-split-fancy-with-parent-ignore-groups} \e$B$K%^%C%A$7$J$1$l\e(B
+\e$B$P!"$3$N4X?t$OBP1~$9$k%0%k!<%WL>$rJV$9$o$1$G$9!#$3$3$G!"JQ\e(B
+\e$B?t\e(B @code{nnmail-message-id-cache-length} \e$B$NCM$r4{DjCM$h$j$b4v$i$+Bg$-$J\e(B
+\e$BCM$K@_Dj$9$k$3$H$r$*4+$a$7$^$9!#$=$&$9$k$H!":#D4$Y$i$l$?%a%C%;!<%8\e(B ID \e$BC#\e(B
+\e$B$O:#$7$P$i$/%-%c%C%7%e$NCf$KB8B3$G$-$^$9\e(B (5000 \e$B$K@_Dj$9$k$H%-%c%C%7%e%U%!\e(B
+\e$B%$%k$NBg$-$5$O$@$$$?$$\e(B 300 \e$B%-%m%P%$%H$0$i$$$K$J$k$_$?$$$G$9\e(B)\e$B!#\e(B
@vindex nnmail-cache-accepted-message-ids
\e$B$5$i$K!"JQ?t\e(B @code{nnmail-cache-accepted-message-ids} \e$B$NCM$r\e(B
\e$BHs\e(B @code{nil} \e$B$K@_Dj$9$l$P!"\e(Bgnus \e$B$O0\F0$5$l$?5-;v$N%a%C%;!<%8\e(B ID \e$B$r$b5-\e(B
\e$B$b$7$/$O<!$N$h$&$J$b$N\e(B:
@lisp
(setq nnmail-split-methods
- '(("duplicates" "^Gnus-Warning:")
+ '(("duplicates" "^Gnus-Warning:.*duplicate")
;; \e$BB>$NK!B'!#\e(B
[...]))
@end lisp