Use em units rather than ex units for horizontal lengths.

John Gardner and others tell me it produces more predictable results
and is generally considered better style.
Also use 0em instead of 0ex, in general.

1 files changed, 20 insertions, 20 deletions

diff --git a/mandoc.css b/mandoc.css
index 3acc0809..b5e32a8c 100644
--- a/mandoc.css
+++ b/mandoc.css
@@ -1,11 +1,11 @@
-/* $Id: mandoc.css,v 1.29 2018/05/21 01:11:31 schwarze Exp $ */
+/* $Id: mandoc.css,v 1.30 2018/05/26 17:38:01 schwarze Exp $ */
 /*
  * Standard style sheet for mandoc(1) -Thtml and man.cgi(8).
  */
 
 /* Global defaults. */
 
-html {		max-width: 100ex; }
+html {		max-width: 65em; }
 body {		font-family: Helvetica,Arial,sans-serif; }
 table {		margin-top: 0em;
 		margin-bottom: 0em; }
@@ -52,14 +52,14 @@ td.foot-os {	text-align: right; }
 /* Sections and paragraphs. */
 
 div.manual-text {
-		margin-left: 5ex; }
+		margin-left: 3.8em; }
 h1.Sh {		margin-top: 2ex;
 		margin-bottom: 1ex;
-		margin-left: -4ex;
+		margin-left: -3.2em;
 		font-size: 110%; }
 h2.Ss {		margin-top: 2ex;
 		margin-bottom: 1ex;
-		margin-left: -2ex;
+		margin-left: -1.2em;
 		font-size: 105%; }
 div.Pp {	margin: 1ex 0ex; }
 a.Sx { }
@@ -68,7 +68,7 @@ a.Xr { }
 /* Displays and lists. */
 
 div.Bd { }
-div.D1 {	margin-left: 5ex; }
+div.D1 {	margin-left: 3.8em; }
 
 ul.Bl-bullet {	list-style-type: disc;
 		padding-left: 1em; }
@@ -81,54 +81,54 @@ ul.Bl-item {	list-style-type: none;
 		padding-left: 0em; }
 ul.Bl-item > li { }
 ul.Bl-compact > li {
-		margin-top: 0ex; }
+		margin-top: 0em; }
 
 ol.Bl-enum {	padding-left: 2em; }
 ol.Bl-enum > li { }
 ol.Bl-compact > li {
-		margin-top: 0ex; }
+		margin-top: 0em; }
 
 dl.Bl-diag { }
 dl.Bl-diag > dt {
 		font-style: normal;
 		font-weight: bold; }
 dl.Bl-diag > dd {
-		margin-left: 0ex; }
+		margin-left: 0em; }
 dl.Bl-hang { }
 dl.Bl-hang > dt { }
 dl.Bl-hang > dd {
-		margin-left: 10.2ex; }
+		margin-left: 5.5em; }
 dl.Bl-inset { }
 dl.Bl-inset > dt { }
 dl.Bl-inset > dd {
-		margin-left: 0ex; }
+		margin-left: 0em; }
 dl.Bl-ohang { }
 dl.Bl-ohang > dt { }
 dl.Bl-ohang > dd {
-		margin-left: 0ex; }
-dl.Bl-tag {	margin-left: 10.2ex; }
+		margin-left: 0em; }
+dl.Bl-tag {	margin-left: 5.5em; }
 dl.Bl-tag > dt {
 		float: left;
-		margin-top: 0ex;
-		margin-left: -10.2ex;
-		padding-right: 2ex;
+		margin-top: 0em;
+		margin-left: -5.5em;
+		padding-right: 1.2em;
 		vertical-align: top; }
 dl.Bl-tag > dd {
 		clear: right;
 		width: 100%;
-		margin-top: 0ex;
-		margin-left: 0ex;
+		margin-top: 0em;
+		margin-left: 0em;
 		vertical-align: top;
 		overflow: auto; }
 dl.Bl-compact > dt {
-		margin-top: 0ex; }
+		margin-top: 0em; }
 
 table.Bl-column { }
 table.Bl-column > tbody > tr { }
 table.Bl-column > tbody > tr > td {
 		margin-top: 1em; }
 table.Bl-compact > tbody > tr > td {
-		margin-top: 0ex; }
+		margin-top: 0em; }
 
 cite.Rs {	font-style: normal;
 		font-weight: normal; }