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, 19 insertions, 19 deletions

diff --git a/mandoc.css b/mandoc.css
index 5029ef00..cdbec25e 100644
--- a/mandoc.css
+++ b/mandoc.css
@@ -5,7 +5,7 @@
 
 /* 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; }