Do not write <colgroup> elements. Their only purpose is to enforce

author-specified column widths, which can harm responsive design and
provide no real benefit: HTML rendering engines usually do just
fine automatically selecting appropriate column widths.

4 files changed, 5 insertions, 38 deletions

diff --git a/html.c b/html.c
index 786e1c3a..d5b9c887 100644
--- a/html.c
+++ b/html.c
@@ -1,4 +1,4 @@
-/*	$Id: html.c,v 1.234 2018/06/25 13:26:57 schwarze Exp $ */
+/*	$Id: html.c,v 1.235 2018/06/25 13:45:57 schwarze Exp $ */
 /*
  * Copyright (c) 2008-2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2011-2015, 2017, 2018 Ingo Schwarze <schwarze@openbsd.org>
@@ -69,8 +69,6 @@ static	const struct htmldata htmltags[TAG_MAX] = {
 	{"br",		HTML_NOSTACK | HTML_AUTOCLOSE | HTML_NLALL},
 	{"a",		0},
 	{"table",	HTML_NLALL | HTML_INDENT},
-	{"colgroup",	HTML_NLALL | HTML_INDENT},
-	{"col",		HTML_NOSTACK | HTML_AUTOCLOSE | HTML_NLALL},
 	{"tr",		HTML_NLALL | HTML_INDENT},
 	{"td",		HTML_NLAROUND},
 	{"li",		HTML_NLAROUND | HTML_INDENT},
diff --git a/html.h b/html.h
index 1ded39e0..448423a5 100644
--- a/html.h
+++ b/html.h
@@ -1,4 +1,4 @@
-/*	$Id: html.h,v 1.90 2018/05/25 20:23:51 schwarze Exp $ */
+/*	$Id: html.h,v 1.91 2018/06/25 13:45:57 schwarze Exp $ */
 /*
  * Copyright (c) 2008-2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2017, 2018 Ingo Schwarze <schwarze@openbsd.org>
@@ -31,8 +31,6 @@ enum	htmltag {
 	TAG_BR,
 	TAG_A,
 	TAG_TABLE,
-	TAG_COLGROUP,
-	TAG_COL,
 	TAG_TR,
 	TAG_TD,
 	TAG_LI,
diff --git a/mdoc_html.c b/mdoc_html.c
index 1b06e43f..e0a82ab9 100644
--- a/mdoc_html.c
+++ b/mdoc_html.c
@@ -1,4 +1,4 @@
-/*	$Id: mdoc_html.c,v 1.306 2018/06/10 16:15:43 schwarze Exp $ */
+/*	$Id: mdoc_html.c,v 1.307 2018/06/25 13:45:57 schwarze Exp $ */
 /*
  * Copyright (c) 2008-2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2014,2015,2016,2017,2018 Ingo Schwarze <schwarze@openbsd.org>
@@ -750,39 +750,19 @@ static int
 mdoc_bl_pre(MDOC_ARGS)
 {
 	char		 cattr[28];
-	struct tag	*t;
 	struct mdoc_bl	*bl;
-	size_t		 i;
 	enum htmltag	 elemtype;
 
-	bl = &n->norm->Bl;
-
 	switch (n->type) {
 	case ROFFT_BODY:
 		return 1;
-
 	case ROFFT_HEAD:
-		if (bl->type != LIST_column || bl->ncols == 0)
-			return 0;
-
-		/*
-		 * For each column, print out the <COL> tag with our
-		 * suggested width.  The last column gets min-width, as
-		 * in terminal mode it auto-sizes to the width of the
-		 * screen and we want to preserve that behaviour.
-		 */
-
-		t = print_otag(h, TAG_COLGROUP, "");
-		for (i = 0; i < bl->ncols - 1; i++)
-			print_otag(h, TAG_COL, "sw+w", bl->cols[i]);
-		print_otag(h, TAG_COL, "swW", bl->cols[i]);
-		print_tagq(h, t);
 		return 0;
-
 	default:
 		break;
 	}
 
+	bl = &n->norm->Bl;
 	switch (bl->type) {
 	case LIST_bullet:
 		elemtype = TAG_UL;
diff --git a/tbl_html.c b/tbl_html.c
index d59f1635..b87804fd 100644
--- a/tbl_html.c
+++ b/tbl_html.c
@@ -1,4 +1,4 @@
-/*	$Id: tbl_html.c,v 1.23 2017/07/31 16:14:10 schwarze Exp $ */
+/*	$Id: tbl_html.c,v 1.24 2018/06/25 13:45:57 schwarze Exp $ */
 /*
  * Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2014, 2015, 2017 Ingo Schwarze <schwarze@openbsd.org>
@@ -79,23 +79,14 @@ html_tbl_sulen(const struct roffsu *su, void *arg)
 static void
 html_tblopen(struct html *h, const struct tbl_span *sp)
 {
-	struct tag	*t;
-	int		 ic;
-
 	if (h->tbl.cols == NULL) {
 		h->tbl.len = html_tbl_len;
 		h->tbl.slen = html_tbl_strlen;
 		h->tbl.sulen = html_tbl_sulen;
 		tblcalc(&h->tbl, sp, 0, 0);
 	}
-
 	assert(NULL == h->tblt);
 	h->tblt = print_otag(h, TAG_TABLE, "c", "tbl");
-
-	t = print_otag(h, TAG_COLGROUP, "");
-	for (ic = 0; ic < sp->opts->cols; ic++)
-		print_otag(h, TAG_COL, "shw", h->tbl.cols[ic].width);
-	print_tagq(h, t);
 }
 
 void