mention interactive shells processing ~/.mkshrc

mksh.1

@@ -1,7 +1,7 @@
-.\" $MirOS: src/bin/mksh/mksh.1,v 1.101 2007/09/26 19:26:58 tg Exp $
+.\" $MirOS: src/bin/mksh/mksh.1,v 1.102 2007/10/14 13:43:17 tg Exp $
 .\" $OpenBSD: ksh.1,v 1.120 2007/05/31 20:47:44 otto Exp $
 .\"
-.Dd September 26, 2007
+.Dd October 14, 2007
 .Dt MKSH 1
 .Os MirBSD
 .Sh NAME
@@ -50,6 +50,11 @@ signals, and prints prompts before reading input (see the
 and
 .Ev PS2
 parameters).
+It also processes the
+.Ev ENV
+parameter or
+.Pa $HOME/.mkshrc
+(see below).
 For non-interactive shells, the
 .Ic trackall
 option is on by default (see the