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Date: Thu, 9 Sep 2021 11:53:22 -0500 (EST)
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From: schwarze@mandoc.bsd.lv
To: source@mandoc.bsd.lv
Subject: mandoc: In HTML output, in cells with an "n" (number) layout, pad 
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Log Message:
-----------
In HTML output, in cells with an "n" (number) layout, pad numbers
on the right side with UTF-8 punctuation and figure spaces such
that numbers in different tbl(7) rows align at the decimal point.

The exact HTML output format was suggested
by <Oliver dot Corff at email dot de>;
the implementation in C is mine.

Modified Files:
--------------
    mandoc:
        tbl_html.c

Revision Data
-------------
Index: tbl_html.c
===================================================================
RCS file: /home/cvs/mandoc/mandoc/tbl_html.c,v
retrieving revision 1.37
retrieving revision 1.38
diff -Ltbl_html.c -Ltbl_html.c -u -p -r1.37 -r1.38
--- tbl_html.c
+++ tbl_html.c
@@ -115,10 +115,13 @@ print_tbl(struct html *h, const struct t
 	const struct tbl_dat	*dp;
 	const struct tbl_cell	*cp;
 	const struct tbl_span	*psp;
+	const struct roffcol	*col;
 	struct tag		*tt;
 	const char		*hspans, *vspans, *halign, *valign;
 	const char		*bborder, *lborder, *rborder;
+	const char		*ccp;
 	char			 hbuf[4], vbuf[4];
+	size_t			 sz;
 	enum mandoc_esc		 save_font;
 	int			 i;
 
@@ -252,6 +255,27 @@ print_tbl(struct html *h, const struct t
 			if (dp->layout->pos == TBL_CELL_LONG)
 				print_text(h, "\\[u2003]");  /* em space */
 			print_text(h, dp->string);
+			if (dp->layout->pos == TBL_CELL_NUMBER) {
+				col = h->tbl.cols + dp->layout->col;
+				if (col->decimal < col->nwidth) {
+					if ((ccp = strrchr(dp->string,
+					    sp->opts->decimal)) == NULL) {
+						/* Punctuation space. */
+						print_text(h, "\\[u2008]");
+						ccp = strchr(dp->string, '\0');
+					} else
+						ccp++;
+					sz = col->nwidth - col->decimal;
+					while (--sz > 0) {
+						if (*ccp == '\0')
+							/* Figure space. */
+							print_text(h,
+							    "\\[u2007]");
+						else
+							ccp++;
+					}
+				}
+			}
 			html_setfont(h, save_font);
 		}
 	}
--
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