===================================================================
RCS file: /cvs/mandoc/mandoc.h,v
retrieving revision 1.50
retrieving revision 1.51
diff -u -p -r1.50 -r1.51
--- mandoc/mandoc.h	2011/01/10 14:40:30	1.50
+++ mandoc/mandoc.h	2011/01/10 15:31:00	1.51
@@ -1,4 +1,4 @@
-/*	$Id: mandoc.h,v 1.50 2011/01/10 14:40:30 kristaps Exp $ */
+/*	$Id: mandoc.h,v 1.51 2011/01/10 15:31:00 kristaps Exp $ */
 /*
  * Copyright (c) 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  *
@@ -200,7 +200,7 @@ enum	tbl_cellt {
 struct	tbl_cell {
 	struct tbl_cell	 *next;
 	enum tbl_cellt	  pos;
-	int		  spacing;
+	size_t		  spacing;
 	int		  flags;
 #define	TBL_CELL_TALIGN	 (1 << 0) /* t, T */
 #define	TBL_CELL_BALIGN	 (1 << 1) /* d, D */
@@ -222,12 +222,12 @@ struct	tbl_row {
 };
 
 enum	tbl_datt {
-	TBL_DATA_NONE,
-	TBL_DATA_DATA,
-	TBL_DATA_HORIZ,
-	TBL_DATA_DHORIZ,
-	TBL_DATA_NHORIZ,
-	TBL_DATA_NDHORIZ
+	TBL_DATA_NONE, /* has no data */
+	TBL_DATA_DATA, /* consists of data/string */
+	TBL_DATA_HORIZ, /* horizontal line */
+	TBL_DATA_DHORIZ, /* double-horizontal line */
+	TBL_DATA_NHORIZ, /* squeezed horizontal line */
+	TBL_DATA_NDHORIZ /* squeezed double-horizontal line */
 };
 
 /*
@@ -235,10 +235,10 @@ enum	tbl_datt {
  * string value that's in the cell.  The rest is layout.
  */
 struct	tbl_dat {
-	struct tbl_cell	 *layout; /* layout cell: CAN BE NULL */
+	struct tbl_cell	 *layout; /* layout cell */
 	int		  spans; /* how many spans follow */
 	struct tbl_dat	 *next;
-	char		 *string;
+	char		 *string; /* data (NULL if not TBL_DATA_DATA) */
 	enum tbl_datt	  pos;
 };
 
@@ -254,7 +254,7 @@ enum	tbl_spant {
 struct	tbl_span {
 	struct tbl	 *tbl;
 	struct tbl_head	 *head;
-	struct tbl_row	 *layout; /* layout row: CAN BE NULL */
+	struct tbl_row	 *layout; /* layout row */
 	struct tbl_dat	 *first;
 	struct tbl_dat	 *last;
 	int		  flags;