Document the -h option.

usr.bin/col/col.1

@@ -43,7 +43,7 @@
 .Nd filter reverse line feeds from input
 .Sh SYNOPSIS
 .Nm
-.Op Fl bfx
+.Op Fl bfhx
 .Op Fl l Ar num
 .Sh DESCRIPTION
 .Nm Col
@@ -67,6 +67,8 @@ written to each column position.
 Forward half line feeds are permitted (``fine'' mode).
 Normally characters printed on a half line boundary are printed
 on the following line.
+.It Fl h
+Don't output multiple spaces instead of tabs (default).
 .It Fl x
 Output multiple spaces instead of tabs.
 .It Fl l Ar num

usr.bin/col/col.c

@@ -530,7 +530,7 @@ void
 usage()
 {
 
-	(void)fprintf(stderr, "usage: col [-bfx] [-l nline]\n");
+	(void)fprintf(stderr, "usage: col [-bfhx] [-l nline]\n");
 	exit(1);
 }