===================================================================
RCS file: /cvs/mandoc/mandoc.1,v
retrieving revision 1.3
retrieving revision 1.8
diff -u -p -r1.3 -r1.8
--- mandoc/mandoc.1	2009/03/20 15:14:01	1.3
+++ mandoc/mandoc.1	2009/03/23 15:41:09	1.8
@@ -1,4 +1,4 @@
-.\" $Id: mandoc.1,v 1.3 2009/03/20 15:14:01 kristaps Exp $
+.\" $Id: mandoc.1,v 1.8 2009/03/23 15:41:09 kristaps Exp $
 .\"
 .\" Copyright (c) 2009 Kristaps Dzonsons <kristaps@openbsd.org>
 .\"
@@ -16,18 +16,19 @@
 .\" TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 .\" PERFORMANCE OF THIS SOFTWARE.
 .\"
-.Dd $Mdocdate: March 20 2009 $
+.Dd $Mdocdate: March 23 2009 $
 .Dt mandoc 1
 .Os
 .\" SECTION
 .Sh NAME
 .Nm mandoc
-.Nd format and display BSD manuals
+.Nd format and display UNIX manuals
 .\" SECTION
 .Sh SYNOPSIS
 .Nm mandoc
 .Op Fl V
 .Op Fl f Ns Ar option...
+.Op Fl m Ns Ar format
 .Op Fl W Ns Ar err...
 .Op Fl T Ns Ar output
 .Op Ar infile...
@@ -35,9 +36,9 @@
 .Sh DESCRIPTION
 The
 .Nm
-utility formats a BSD 
-.Dq mdoc 
-manual page for display.  The arguments are as follows:
+utility formats 
+.Ux
+manual pages for display.  The arguments are as follows:
 .Bl -tag -width XXXXXXXXXXXX
 .\" ITEM
 .It Fl f Ns Ar option...
@@ -45,6 +46,12 @@ Override default compiler behaviour.  See 
 .Sx Compiler Options
 for details.
 .\" ITEM
+.It Fl m
+Input format.  See
+.Sx Input Formats
+for available formats.  Defaults to
+.Fl m Ns Ar mdoc .
+.\" ITEM
 .It Fl T
 Output format.  See
 .Sx Output Formats
@@ -80,14 +87,85 @@ will halt with the first failed parse.
 .Pp
 By default, 
 .Nm 
-reads from stdin and prints 78-column backspace-encoded output to stdout
-as if
+reads 
+.Xr mdoc 7
+text from stdin, implying
+.Fl m Ns Ar mdoc ,
+and prints 78-column backspace-encoded output to stdout as if
 .Fl T Ns Ar ascii
 were provided.
 .\" PARAGRAPH
 .Pp
 .Ex -std mandoc
 .\" SUB-SECTION
+.Ss Reserved Words (mdoc only)
+The reserved words described in
+.Xr mdoc 7
+are handled according to the following rules:
+.Bl -enum -offset XXX
+.It
+Opening delimiters 
+.Po
+.Sq \&( , 
+.Sq \&[ , 
+and
+.Sq \&{
+.Pc are not followed by whitespace.
+.It
+Closing delimiters
+.Po
+.Sq \&. , 
+.Sq \&, , 
+.Sq \&; , 
+.Sq \&: , 
+.Sq \&? , 
+.Sq \&! , 
+.Sq \&) , 
+.Sq \&] 
+and
+.Sq \&}
+.Pc are not preceeded by whitespace.
+.El
+.\" PARAGRAPH
+.Pp
+Note that reserved words only register as such as if they appear as
+standalone tokens, either in parsed lines or streams of text.  Thus, the
+following fragment:
+.Bd -literal -offset XXXX
+this self is not that of the waking , empirically real man
+.Ed
+.\" PARAGRAPH
+.Pp
+\&...correctly adjusts the comma spacing to
+.Dq this self is not that of the waking , empirically real man .
+However, if the comma were part of 
+.Dq ,empirically ,
+it would not.
+.\" SUB-SECTION
+.Ss Input Formats
+The
+.Nm
+utility accepts
+.Xr mdoc 7
+and
+.Xr man 7
+input with
+.Fl m Ns Ar mdoc
+and
+.Fl m Ns Ar man ,
+respectively.  The
+.Xr mdoc 7
+format is
+.Em strongly
+recommended; 
+.Xr man 7
+should only be used for legacy manuals.
+.Pp
+Note that the
+.Fl m Ns Ar man
+option is experimental and only works with
+.Fl T Ns Ar tree .
+.\" SUB-SECTION
 .Ss Output Formats
 The
 .Nm
@@ -112,6 +190,7 @@ flag.
 .It Fl f Ns Ar ign-scope
 When rewinding the scope of a block macro, forces the compiler to ignore
 scope violations.  This can seriously mangle the resulting tree.
+.Pq mdoc only
 .It Fl f Ns Ar ign-escape
 Ignore invalid escape sequences.
 .It Fl f Ns Ar ign-macro
@@ -145,27 +224,37 @@ utility was written by 
 .Sh CAVEATS
 The 
 .Nm
-utility doesn't yet know how to display the following:
+utility in
+.Fl T Ns Ar ascii
+mode doesn't yet know how to display the following:
 .Pp
 .Bl -bullet -compact
 .It
 The \-hang 
 .Sq \&Bl
 list is not yet supported.
-.It
-The \-literal and \-unfilled 
-.Sq \&Bd
-displays types are synonyms, as are \-filled and \-ragged.
-.It
-The
-.Sq \&Xo/Xc
-pair isn't supported.
-.It
-The
-.Sq \&Sm
-macro has no effect, yet.
 .El
 .Pp
 Other macros still aren't supported by virtue of nobody complaining
 about their absence.  Please report any omissions: this is a work in
 progress.
+.Pp
+The following list documents differences between traditional
+.Xr nroff 1
+output and
+.Nm :
+.Pp
+.Bl -bullet -compact
+.It 
+A list of display following
+.Sq \&Ss
+does not assert a prior vertical break, just as it doesn't with
+.Sq \&Sh .
+.It
+Special characters don't follow the current font style.
+.\" LIST-ITEM
+.It
+The \-literal and \-unfilled 
+.Sq \&Bd
+displays types are synonyms, as are \-filled and \-ragged.
+.El