===================================================================
RCS file: /cvs/mandoc/Attic/mdocml.1,v
retrieving revision 1.32
retrieving revision 1.33
diff -u -p -r1.32 -r1.33
--- mandoc/Attic/mdocml.1	2009/02/21 14:56:57	1.32
+++ mandoc/Attic/mdocml.1	2009/02/21 15:34:46	1.33
@@ -9,6 +9,7 @@
 .\" SECTION
 .Sh SYNOPSIS
 .Nm mdocml
+.Op Fl f Ns Ar filter
 .Op Fl v
 .Op Fl W Ns Ar err...
 .Op Ar infile
@@ -18,10 +19,20 @@ The
 .Nm
 utility interfaces the
 .Xr mdoc 3
-library to scan, parse and validate mdoc-macro documents.  Arguments
-follow:
+library to scan, parse, validate and output mdoc-macro documents.
+Arguments follow:
 .Bl -tag -width "\-Werr... "
 .\" ITEM
+.It Fl f Ns Ar filter
+Pipe the parsed syntax tree into an output filter.  May be either
+.Ar tree
+for the parse tree or
+.Ar term
+for a terminal-encoded, formatted manual page.
+.\" ITEM
+.It Fl v
+Print verbose parsing output.
+.\" ITEM
 .It Fl W Ns Ar err...
 Print warning messages.  May be set to 
 .Fl W Ns Ar all
@@ -37,9 +48,6 @@ termination.  Multiple 
 arguments may be comma-separated, such as
 .Fl W Ns Ar error,all .
 .\" ITEM
-.It Fl v
-Print verbose parsing output.
-.\" ITEM
 .It Ar infile
 Read input from
 .Ar infile ,
@@ -58,8 +66,7 @@ manuals.
 .Pp
 By default,
 .Nm
-reads from stdin, writes messages to stdout, and writes errors and
-warnings to stderr.
+reads from stdin and only validates its input.
 .\" PARAGRAPH
 .Pp
 .Ex -std mdocml