===================================================================
RCS file: /cvs/mandoc/libmdoc.h,v
retrieving revision 1.54
retrieving revision 1.56
diff -u -p -r1.54 -r1.56
--- mandoc/libmdoc.h	2010/06/26 15:36:37	1.54
+++ mandoc/libmdoc.h	2010/06/27 15:52:41	1.56
@@ -1,4 +1,4 @@
-/*	$Id: libmdoc.h,v 1.54 2010/06/26 15:36:37 kristaps Exp $ */
+/*	$Id: libmdoc.h,v 1.56 2010/06/27 15:52:41 kristaps Exp $ */
 /*
  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@bsd.lv>
  *
@@ -26,8 +26,8 @@ enum	mdoc_next {
 };
 
 struct	mdoc {
-	void		 *data;
-	mandocmsg	  msg;
+	void		 *data; /* private application data */
+	mandocmsg	  msg; /* message callback */
 	int		  flags;
 #define	MDOC_HALT	 (1 << 0) /* error in parse: halt */
 #define	MDOC_LITERAL	 (1 << 1) /* in a literal scope */
@@ -37,16 +37,21 @@ struct	mdoc {
 #define	MDOC_PPHRASE	 (1 << 5) /* within a partial phrase */
 #define	MDOC_FREECOL	 (1 << 6) /* `It' invocation should close */
 	int		  pflags;
-	enum mdoc_next	  next;
-	struct mdoc_node *last;
-	struct mdoc_node *first;
-	struct mdoc_meta  meta;
+	enum mdoc_next	  next; /* where to put the next node */
+	struct mdoc_node *last; /* the last node parsed */
+	struct mdoc_node *first; /* the first node parsed */
+	struct mdoc_meta  meta; /* document meta-data */
 	enum mdoc_sec	  lastnamed;
 	enum mdoc_sec	  lastsec;
+	const struct regset *regs; /* readonly registers */
 };
 
-#define	MACRO_PROT_ARGS	struct mdoc *m, enum mdoct tok, \
-			int line, int ppos, int *pos, char *buf
+#define	MACRO_PROT_ARGS	struct mdoc *m, \
+			enum mdoct tok, \
+			int line, \
+			int ppos, \
+			int *pos, \
+			char *buf
 
 struct	mdoc_macro {
 	int		(*fp)(MACRO_PROT_ARGS);