+<h2> Splitting
+<node> message/partial sending
+<p>
+<defvar name="mime-edit-split-message">
+<p>
+Non-nil \e$B$J$i$PBg$-$J%a%C%;!<%8$rJ,3d$7$FAw?.$7$^$9!#\e(B
+</defvar>
+
+<defvar name="mime-edit-message-default-max-lines">
+<p>
+\e$B%a%C%;!<%8$N:GBg9T?t$N%G%U%)%k%HCM$G$9!#\e(B
+</defvar>
+
+<defvar name="mime-edit-message-max-lines-alist">
+<p>
+\e$B%a%8%c!<%b!<%IBP%a%C%;!<%8$N:GBg9T?t$+$i@.$kO"A[%j%9%H$G$9!#\e(B
+<p>
+\e$B%a%8%c!<%b!<%I$,$3$3$G;XDj$5$l$F$J$$>l9g$K$O\e(B
+<code>mime-edit-message-default-max-lines</code> \e$B$rMQ$$$^$9!#\e(B
+</defvar>
+
+<defvar name="mime-edit-split-blind-field-regexp">
+<p>
+\e$BJ,3dAw?.$N:]$KL5;k$5$l$k%U%#!<%k%IL>$K%^%C%A$9$k@55,I=8=$G$9!#\e(B
+</defvar>
+
+