===================================================================
RCS file: /cvs/mandoc/out.h,v
retrieving revision 1.28
retrieving revision 1.31
diff -u -p -r1.28 -r1.31
--- mandoc/out.h	2017/06/08 12:54:58	1.28
+++ mandoc/out.h	2017/06/27 18:25:02	1.31
@@ -1,4 +1,4 @@
-/*	$Id: out.h,v 1.28 2017/06/08 12:54:58 schwarze Exp $ */
+/*	$Id: out.h,v 1.31 2017/06/27 18:25:02 schwarze Exp $ */
 /*
  * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2014, 2017 Ingo Schwarze <schwarze@openbsd.org>
@@ -33,6 +33,7 @@ enum	roffscale {
 struct	roffcol {
 	size_t		 width; /* width of cell */
 	size_t		 decimal; /* decimal position in cell */
+	size_t		 spacing; /* spacing after the column */
 	int		 flags; /* layout flags, see tbl_cell */
 };
 
@@ -41,14 +42,16 @@ struct	roffsu {
 	double		  scale;
 };
 
+typedef	size_t	(*tbl_sulen)(const struct roffsu *, void *);
 typedef	size_t	(*tbl_strlen)(const char *, void *);
 typedef	size_t	(*tbl_len)(size_t, void *);
 
 struct	rofftbl {
+	tbl_sulen	 sulen; /* calculate scaling unit length */
 	tbl_strlen	 slen; /* calculate string length */
 	tbl_len		 len; /* produce width of empty space */
 	struct roffcol	*cols; /* master column specifiers */
-	void		*arg; /* passed to slen and len */
+	void		*arg; /* passed to sulen, slen, and len */
 };
 
 #define	SCALE_VS_INIT(p, v) \
@@ -66,4 +69,4 @@ struct	tbl_span;
 
 const char	 *a2roffsu(const char *, struct roffsu *, enum roffscale);
 void		  tblcalc(struct rofftbl *tbl,
-			const struct tbl_span *, size_t);
+			const struct tbl_span *, size_t, size_t);