mandoc: When calculating the with of spanned columns, which for example

mandoc: When calculating the with of spanned columns, which for example

[schwarze]

Log Message:
-----------
When calculating the with of spanned columns, which for example matters
for centering text spanning multiple tbl(7) columns, correctly account
for the spacing between columns instead of wrongly assuming the default 
spacing of 3n.

Patch from Simon Branch <simonmbranch at gmail dot com>.

Modified Files:
--------------
    mandoc:
        tbl_term.c

Revision Data
-------------
Index: tbl_term.c
===================================================================
RCS file: /home/cvs/mandoc/mandoc/tbl_term.c,v
retrieving revision 1.75
retrieving revision 1.76
diff -Ltbl_term.c -Ltbl_term.c -u -p -r1.75 -r1.76
--- tbl_term.c
+++ tbl_term.c
@@ -820,8 +820,11 @@ tbl_literal(struct termp *tp, const stru
 	width = col->width;
 	ic = dp->layout->col;
 	hspans = dp->hspans;
-	while (hspans--)
-		width += tp->tbl.cols[++ic].width + 3;
+	while (hspans--) {
+		width += tp->tbl.cols[ic].spacing;
+		ic++;
+		width += tp->tbl.cols[ic].width;
+	}
 
 	padr = width > len ? width - len : 0;
 	padl = 0;
--
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