===================================================================
RCS file: /cvs/mandoc/roff.h,v
retrieving revision 1.72
retrieving revision 1.75
diff -u -p -r1.72 -r1.75
--- mandoc/roff.h	2020/02/27 21:43:45	1.72
+++ mandoc/roff.h	2022/04/30 15:09:26	1.75
@@ -1,7 +1,7 @@
-/*	$Id: roff.h,v 1.72 2020/02/27 21:43:45 schwarze Exp $	*/
+/* $Id: roff.h,v 1.75 2022/04/30 15:09:26 schwarze Exp $	*/
 /*
+ * Copyright (c) 2013-2015,2017-2020,2022 Ingo Schwarze <schwarze@openbsd.org>
  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2013-2015, 2017-2020 Ingo Schwarze <schwarze@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
@@ -71,7 +71,7 @@ enum	roff_type {
 };
 
 enum	roff_tok {
-	ROFF_br = 0,
+	ROFF_br = 0,	/* Beginning of roff(7) requests. */
 	ROFF_ce,
 	ROFF_fi,
 	ROFF_ft,
@@ -83,8 +83,8 @@ enum	roff_tok {
 	ROFF_sp,
 	ROFF_ta,
 	ROFF_ti,
-	ROFF_MAX,
-	ROFF_ab,
+	ROFF_MAX,	/* End of requests that generate nodes. */
+	ROFF_ab,	/* Requests only used during preprocessing. */
 	ROFF_ad,
 	ROFF_af,
 	ROFF_aln,
@@ -313,11 +313,11 @@ enum	roff_tok {
 	ROFF_writec,
 	ROFF_writem,
 	ROFF_xflag,
-	ROFF_cblock,
-	ROFF_RENAMED,
-	ROFF_USERDEF,
-	TOKEN_NONE,
-	MDOC_Dd,
+	ROFF_cblock,	/* Block end marker "..". */
+	ROFF_RENAMED,	/* New name of a renamed request or macro. */
+	ROFF_USERDEF,	/* User defined macro. */
+	TOKEN_NONE,	/* Undefined macro or text/tbl/eqn/comment node. */
+	MDOC_Dd,	/* Beginning of mdoc(7) macros. */
 	MDOC_Dt,
 	MDOC_Os,
 	MDOC_Sh,
@@ -438,8 +438,8 @@ enum	roff_tok {
 	MDOC__U,
 	MDOC_Ta,
 	MDOC_Tg,
-	MDOC_MAX,
-	MAN_TH,
+	MDOC_MAX,	/* End of mdoc(7) macros. */
+	MAN_TH,		/* Beginning of man(7) macros. */
 	MAN_SH,
 	MAN_SS,
 	MAN_TP,
@@ -476,7 +476,7 @@ enum	roff_tok {
 	MAN_UE,
 	MAN_MT,
 	MAN_ME,
-	MAN_MAX
+	MAN_MAX		/* End of man(7) macros. */
 };
 
 /*
@@ -506,6 +506,7 @@ struct	roff_node {
 	struct mdoc_arg	 *args;    /* BLOCK/ELEM */
 	union mdoc_data	 *norm;    /* Normalized arguments. */
 	char		 *string;  /* TEXT */
+	char		 *tag;     /* For less(1) :t and HTML id=. */
 	struct tbl_span	 *span;    /* TBL */
 	struct eqn_box	 *eqn;     /* EQN */
 	int		  line;    /* Input file line number. */
@@ -557,3 +558,4 @@ struct roff_node *roff_node_child(struct roff_node *);
 struct roff_node *roff_node_next(struct roff_node *);
 struct roff_node *roff_node_prev(struct roff_node *);
 int		  roff_node_transparent(struct roff_node *);
+int		  roff_tok_transparent(enum roff_tok);