mandoc: If a tbl(7) column contains both text cells and numeric cells,

[schwarze@mandoc.bsd.lv]

Log Message:
-----------
If a tbl(7) column contains both text cells and numeric cells,
horizontally align the numbers in the same way as groff does.

Modified Files:
--------------
    mandoc:
        out.c
        out.h

Revision Data
-------------
Index: out.c
===================================================================
RCS file: /home/cvs/mandoc/mandoc/out.c,v
retrieving revision 1.71
retrieving revision 1.72
diff -Lout.c -Lout.c -u -p -r1.71 -r1.72
--- out.c
+++ out.c
@@ -168,6 +168,7 @@ tblcalc(struct rofftbl *tbl, const struc
 	}
 
 	/*
+	 * Align numbers with text.
 	 * Count columns to equalize and columns to maximize.
 	 * Find maximum width of the columns to equalize.
 	 * Find total width of the columns *not* to maximize.
@@ -177,6 +178,10 @@ tblcalc(struct rofftbl *tbl, const struc
 	ewidth = xwidth = 0;
 	for (icol = 0; icol <= maxcol; icol++) {
 		col = tbl->cols + icol;
+		if (col->width > col->nwidth)
+			col->decimal += (col->width - col->nwidth) / 2;
+		else
+			col->width = col->nwidth;
 		if (col->spacing == SIZE_MAX || icol == maxcol)
 			col->spacing = 3;
 		if (col->flags & TBL_CELL_EQUAL) {
@@ -358,10 +363,10 @@ tblcalc_number(struct rofftbl *tbl, stru
 		sz += col->decimal - d;
 		d = col->decimal;
 	} else
-		col->width += d - col->decimal;
+		col->nwidth += d - col->decimal;
 
-	if (sz > col->width)
-		col->width = sz;
+	if (sz > col->nwidth)
+		col->nwidth = sz;
 	if (d > col->decimal)
 		col->decimal = d;
 }
Index: out.h
===================================================================
RCS file: /home/cvs/mandoc/mandoc/out.h,v
retrieving revision 1.32
retrieving revision 1.33
diff -Lout.h -Lout.h -u -p -r1.32 -r1.33
--- out.h
+++ out.h
@@ -1,7 +1,7 @@
 /*	$Id$ */
 /*
  * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2014, 2017 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2014, 2017, 2018 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
@@ -32,6 +32,7 @@ enum	roffscale {
 
 struct	roffcol {
 	size_t		 width; /* width of cell */
+	size_t		 nwidth; /* max. width of number in cell */
 	size_t		 decimal; /* decimal position in cell */
 	size_t		 spacing; /* spacing after the column */
 	int		 flags; /* layout flags, see tbl_cell */
--
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