mmkdir: make official command

GNUmakefile

@@ -18,7 +18,7 @@ BINDIR=$(PREFIX)/bin
 MANDIR=$(PREFIX)/share/man
 
 ALL = maddr magrep mdate mdeliver mdirs mexport mflag mgenmid mhdr minc mlist mmime mpick mscan msed mseq mshow msort mthread
-SCRIPT = mcolor mcom mless mquote museragent
+SCRIPT = mcolor mcom mless mmkdir mquote museragent
 
 all: $(ALL) museragent
 

man/mblaze.7

@@ -25,7 +25,7 @@ to write and send mail
 .It Xr mdeliver 1
 to deliver messages or import mailboxes
 .It Xr mdirs 1
-to find Maildirs
+to find Maildir
 .It Xr mexport 1
 to export mailboxes
 .It Xr mflag 1
@@ -43,6 +43,8 @@ to conveniently read mail in
 to list and filter mail messages
 .It Xr mmime 1
 to create MIME messages
+.It Xr mmkdir 1
+to create new Maildir
 .It Xr mpick 1
 to filter mail
 .It Xr mrep 1

man/mmkdir.1

@@ -0,0 +1,40 @@
+.Dd June 20, 2017
+.Dt MMKDIR 1
+.Os
+.Sh NAME
+.Nm mmkdir
+.Nd create new Maildir
+.Sh SYNOPSIS
+.Nm
+.Ar dirs\ ...
+.Sh DESCRIPTION
+.Nm
+creates new Maildir.
+.Pp
+Parent directories are created as needed, and creating existing
+Maildir is no error.
+.Pp
+New Maildir are created with permission 0700, i.e.
+only readable and writable by the owner.
+.Sh EXIT STATUS
+.Ex -std
+.Sh SEE ALSO
+.Xr mkdir 1
+.Pp
+.Lk https://cr.yp.to/proto/maildir.html "Using maildir format"
+.Sh AUTHORS
+.An Leah Neukirchen Aq Mt leah@vuxu.org
+.Sh CAVEATS
+.Nm
+does not support Maildir++,
+you need to transform nested Maildir++ folder names yourself.
+.Sh LICENSE
+.Nm
+is in the public domain.
+.Pp
+To the extent possible under law,
+the creator of this work
+has waived all copyright and related or
+neighboring rights to this work.
+.Pp
+.Lk http://creativecommons.org/publicdomain/zero/1.0/