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Date: Thu, 10 Jan 2019 02:40:40 -0500 (EST)
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From: schwarze@mandoc.bsd.lv
To: source@mandoc.bsd.lv
Subject: mandoc: After years of gnashing of teeth, i finally found a way to avoid 
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Log Message:
-----------
After years of gnashing of teeth, i finally found a way to avoid
having to write empty list elements for non-compact .Bl -tag lists:

1. Add margin-bottom to the <dd>.
Note that margin-top on the <dt> doesn't work because it would put
a short <dt> lower than the <dd>; margin-bottom on the <dt> doesn't
work because it would put vertical space before the <dd> for a long
<dt>; and margin-top on the <dd> doesn't work because it would put
a short <dt> higher than the <dd>.  Only margin-bottom on the <dd>
has none of these adverse effects.

2. Of course, margin-bottom on the <dd> fails to take care of the
vertical spacing before the first list element, so implement that
separately by margin-top on the <dl>.

3. For .Bl -tag -compact, reset both to zero.

Modified Files:
--------------
    mandoc:
        mandoc.css
        mdoc_html.c

Revision Data
-------------
Index: mandoc.css
===================================================================
RCS file: /home/cvs/mandoc/mandoc/mandoc.css,v
retrieving revision 1.42
retrieving revision 1.43
diff -Lmandoc.css -Lmandoc.css -u -p -r1.42 -r1.43
--- mandoc.css
+++ mandoc.css
@@ -119,7 +119,8 @@ td.foot-os {	text-align: right; }
 .Bl-ohang > dt { }
 .Bl-ohang > dd {
 		margin-left: 0em; }
-.Bl-tag {	margin-left: 5.5em; }
+.Bl-tag {	margin-top: 0.6em;
+		margin-left: 5.5em; }
 .Bl-tag > dt {
 		float: left;
 		margin-top: 0em;
@@ -131,8 +132,12 @@ td.foot-os {	text-align: right; }
 		width: 100%;
 		margin-top: 0em;
 		margin-left: 0em;
+		margin-bottom: 0.6em;
 		vertical-align: top;
 		overflow: auto; }
+.Bl-compact {	margin-top: 0em; }
+.Bl-compact > dd {
+		margin-bottom: 0em; }
 .Bl-compact > dt {
 		margin-top: 0em; }
 
Index: mdoc_html.c
===================================================================
RCS file: /home/cvs/mandoc/mandoc/mdoc_html.c,v
retrieving revision 1.323
retrieving revision 1.324
diff -Lmdoc_html.c -Lmdoc_html.c -u -p -r1.323 -r1.324
--- mdoc_html.c
+++ mdoc_html.c
@@ -741,7 +741,6 @@ static int
 mdoc_it_pre(MDOC_ARGS)
 {
 	const struct roff_node	*bl;
-	struct tag		*t;
 	enum mdoc_list		 type;
 
 	bl = n->parent;
@@ -783,17 +782,6 @@ mdoc_it_pre(MDOC_ARGS)
 	case LIST_tag:
 		switch (n->type) {
 		case ROFFT_HEAD:
-			if (h->style != NULL && !bl->norm->Bl.comp &&
-			    (n->parent->prev == NULL ||
-			     n->parent->prev->body == NULL ||
-			     n->parent->prev->body->child != NULL)) {
-				t = print_otag(h, TAG_DT, "");
-				print_text(h, "\\ ");
-				print_tagq(h, t);
-				t = print_otag(h, TAG_DD, "");
-				print_text(h, "\\ ");
-				print_tagq(h, t);
-			}
 			print_otag(h, TAG_DT, "");
 			break;
 		case ROFFT_BODY:
--
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