===================================================================
RCS file: /cvs/mandoc/demandoc.1,v
retrieving revision 1.1
retrieving revision 1.3
diff -u -p -r1.1 -r1.3
--- mandoc/demandoc.1	2011/09/01 10:46:28	1.1
+++ mandoc/demandoc.1	2011/09/01 22:09:50	1.3
@@ -1,4 +1,4 @@
-.\"	$Id: demandoc.1,v 1.1 2011/09/01 10:46:28 kristaps Exp $
+.\"	$Id: demandoc.1,v 1.3 2011/09/01 22:09:50 kristaps Exp $
 .\"
 .\" Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
 .\"
@@ -22,11 +22,12 @@
 .Nd emit only text of UNIX manuals
 .Sh SYNOPSIS
 .Nm demandoc
+.Op Fl w
 .Op Ar
 .Sh DESCRIPTION
 The
 .Nm
-utility emits only the text portions of
+utility emits only the text portions of well-formed
 .Xr mdoc 7
 and
 .Xr man 7
@@ -34,6 +35,14 @@ and
 manual files.
 Its arguments are as follows:
 .Bl -tag -width Ds
+.It Fl w
+Output a word list.
+This outputs each word of text on its own line.
+A
+.Qq word ,
+in this case, refers to whitespace-delimited terms beginning with at
+least two letters after opening punctuation and not consisting of any
+escape sequences.
 .It Ar
 The input files.
 .El
@@ -43,9 +52,22 @@ If
 is not provided,
 .Nm
 accepts standard input.
+If a document is not well-formed, it is skipped.
 .Pp
+By default,
 .Nm
-output preserves the line numbering and column position of its input.
+parses its input and outputs only text nodes, preserving line column
+position.
+Escape sequences are omitted from the output.
+.Pp
+The
+.Fl i ,
+.Fl k ,
+.Fl m ,
+and
+.Fl p
+flags are silently discarded for calling compatibility with the
+historical deroff.
 .Sh EXIT STATUS
 The
 .Nm
@@ -66,6 +88,13 @@ The output databases are corrupt and should be removed
 .Xr mandoc 1 ,
 .Xr man 7
 .Xr mdoc 7
+.Sh HISTORY
+.Nm
+replaces the historical deroff utility for handling modern
+.Xr man 7
+and
+.Xr mdoc 7
+documents.
 .Sh AUTHORS
 The
 .Nm