===================================================================
RCS file: /cvs/mandoc/Attic/mdoc.3,v
retrieving revision 1.23
retrieving revision 1.28
diff -u -p -r1.23 -r1.28
--- mandoc/Attic/mdoc.3	2009/03/23 09:42:43	1.23
+++ mandoc/Attic/mdoc.3	2009/04/12 19:45:26	1.28
@@ -1,23 +1,21 @@
-.\" $Id: mdoc.3,v 1.23 2009/03/23 09:42:43 kristaps Exp $
+.\"	$Id: mdoc.3,v 1.28 2009/04/12 19:45:26 kristaps Exp $
 .\"
 .\" Copyright (c) 2009 Kristaps Dzonsons <kristaps@openbsd.org>
 .\"
 .\" Permission to use, copy, modify, and distribute this software for any
-.\" purpose with or without fee is hereby granted, provided that the
-.\" above copyright notice and this permission notice appear in all
-.\" copies.
+.\" purpose with or without fee is hereby granted, provided that the above
+.\" copyright notice and this permission notice appear in all copies.
 .\"
-.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
-.\" WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
-.\" WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
-.\" AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
-.\" DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
-.\" PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
-.\" TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
-.\" PERFORMANCE OF THIS SOFTWARE.
+.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\" 
-.Dd $Mdocdate: March 23 2009 $
-.Dt mdoc 3
+.Dd $Mdocdate: April 12 2009 $
+.Dt MDOC 3
 .Os
 .\" SECTION
 .Sh NAME
@@ -36,7 +34,7 @@
 .Vt extern const char * const * mdoc_argnames;
 .Ft "struct mdoc *"
 .Fn mdoc_alloc "void *data" "int pflags" "const struct mdoc_cb *cb"
-.Ft void
+.Ft int
 .Fn mdoc_reset "struct mdoc *mdoc"
 .Ft void
 .Fn mdoc_free "struct mdoc *mdoc"
@@ -56,14 +54,7 @@ library parses lines of 
 .Xr mdoc 7
 input (and
 .Em only
-mdoc) into an abstract syntax tree that generalises the semantic
-annotation of its input.  Common front-ends for 
-.Nm
-are
-.Xr mdocterm 1 ,
-.Xr mdoclint 1 
-and
-.Xr mdoctree 1 .
+mdoc) into an abstract syntax tree (AST).
 .\" PARAGRAPH
 .Pp
 In general, applications initiate a parsing sequence with
@@ -140,7 +131,8 @@ Returns NULL on failure.  If non-NULL, the pointer mus
 .It Fn mdoc_reset
 Reset the parser for another parse routine.  After its use, 
 .Fn mdoc_parseln
-behaves as if invoked for the first time.
+behaves as if invoked for the first time.  If it returns 0, memory could
+not be allocated.
 .\" LIST-ITEM
 .It Fn mdoc_free
 Free all resources of a parser.  The pointer is no longer valid after
@@ -227,9 +219,7 @@ fields), its position in the tree (the
 .Va next 
 and
 .Va prev 
-fields) and type-specific data (the
-.Va data
-field).
+fields) and some type-specific data.
 .\" PARAGRAPH
 .Pp
 The tree itself is arranged according to the following normal form,
@@ -281,7 +271,7 @@ size_t len;
 int line;
 
 line = 1;
-mdoc = mdoc_alloc(NULL, NULL);
+mdoc = mdoc_alloc(NULL, 0, NULL);
 
 while ((buf = fgetln(fp, &len))) {
 	buf[len - 1] = '\\0';
@@ -314,23 +304,23 @@ utility was written by 
 .\" LIST-ITEM
 .It
 The 
-.Sq \&Xc
+.Sq \&.Xc
 and
-.Sq \&Xo
+.Sq \&.Xo
 macros aren't handled when used to span lines for the
-.Sq \&It
+.Sq \&.It
 macro. 
 .\" LIST-ITEM
 .It
 The 
-.Sq \&Bsx
+.Sq \&.Bsx
 macro family doesn't yet understand version arguments.
 .\" LIST-ITEM
 .It
 If not given a value, the \-offset argument to
-.Sq \&Bd
+.Sq \&.Bd
 and
-.Sq \&Bl
+.Sq \&.Bl
 should be the width of 
 .Qq <string> ;
 instead, a value of 
@@ -339,7 +329,7 @@ is provided.
 .\" LIST-ITEM
 .It
 Columns widths in
-.Sq \&Bl \-column
+.Sq \&.Bl \-column
 should default to width
 .Qq <stringx>
 if not included.