@vindex gnus-group-line-format
\e$B$3$N7A<0$O\e(B @code{gnus-group-line-format} \e$BJQ?t$r$$$8$k$3$H$G!"$I$s$JIw$K\e(B
\e$B$G$bJQ$($i$l$^$9!#$3$NJQ?t$O\e(B @code{format} \e$B$N;EMMIw$KF0:n$7$^$9!#$D$^\e(B
-\e$B$j\e(B (\e$B$"$N%/%=\e(B) C \e$B8@8l$r;H$&?M$?$A$N$?$a!"\e(Bprintf \e$B$N;EMM$H$[$\F1$8$G$9!#\e(B
+\e$B$j\e(B (\e$B$"$N%/%=\e(B) C \e$B8@8l$r;H$&?M$?$A$N$?$a$N\e(B printf \e$B$N;EMM$H$[$\F1$8$G$9!#\e(B
@xref{Formatting Variables}.
\e$B>e5-$N9T$r@8@.$9$k$N$O\e(B @samp{%M%S%5y:%B%(%g%)\n} \e$B$H$$$&CM$G$9!#\e(B