.SH DESCRIPTION
.B unipagecount
reads a GNU Unifont .hex file from STDIN and prints a 16 by 16 grid of the
-number of defined code points in each 256 character block to STDOUT.
-Code points proceed from left to right, then top to bottom.
+number of defined code points in each 256 character block within a Unicode
+plane to STDOUT. Code points proceed from left to right, then top to bottom.
+In all planes, code points U+*FFFE and U+*FFFF are not expected in the input
+hex file; they are reserved and always counted as being present in a plane.
.SH OPTIONS
.TP 12
+-Pplanenum
+Select a Unicode plane, from 0 through 16, inclusive. If not specified,
+.B unipagecount
+defaults to Plane 0 (the Basic Multilingual Plane).
+.TP
-ppagenum
Just print information on one 256 code point "page" rather than
the entire Basic Multilingual Plane. This prints a 16 by 16 table with
was written by Paul Hardy.
.SH LICENSE
.B unipagecount
-is Copyright \(co 2007 Paul Hardy.
+is Copyright \(co 2007, 2014 Paul Hardy.
.PP
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by