move man page over

rot13/Makefile

@@ -12,8 +12,9 @@ rot13: rot13.c
 	$(CC) -o rot13 rot13.c
 
 ../dist/rot13: rot13
-	mkdir -p ../dist/rot13.tmp/bin/
+	mkdir -p ../dist/rot13.tmp/bin/ ../dist/rot13.tmp/share/man/man1/
 	cp rot13 ../dist/rot13.tmp/bin/rot13
+	cp rot13.1 ../dist/rot13.tmp/share/man/man1/rot13.1
 	mv ../dist/rot13.tmp ../dist/rot13
 
 ../dist/rot13.tar: ../dist/rot13

rot13/rot13.1

@@ -0,0 +1,32 @@
+.TH ROT13 1
+
+.SH NAME
+
+rot13 \- decrypt/encrypt 13-degree caesar-rotated text
+
+.SH DESCRIPTION
+
+.B rot13
+is a filter program that writes to standard output each Alphabet character from standard input, rotated 13 places.
+Non-Alphabet characters are ignored.
+
+.SH DIAGNOSTICS
+
+.B rot13
+will exit with the appropriate status from sysexits(3) if executed improperly.
+Otherwise,
+.B rot13
+will always exit with status 0, unless there are any unforeseen errors, in which case it will crash without grace. 
+
+
+.SH BUGS
+
+Not Unicode compatible.
+
+.SH COPYRIGHT
+
+Public domain.
+
+.SH SEE ALSO
+
+caesar(1)