Reformatting of editor documentation for better diffs, and correcting typos

doc/editor/style.css

@@ -3,28 +3,14 @@ body {
 
 }
 
-p.p1 {
-  margin: 0.0px 0.0px 0.0px 0.0px;
-  font: 10.0px Geneva;
-  min-height: 14.0px
+p {
+	text-indent: 20px;
 }
 
-p.p2, p.p4 {
-  margin: 0.0px 0.0px 0.0px 0.0px;
-  font: 12.0px Geneva}
-
-p.p3, p.p5  {
-  margin: 0.0px 0.0px 0.0px 0.0px;
-  font: 10.0px Geneva}
-
 span.s1 {
   text-decoration: underline
 }
 
-span.Apple-tab-span {
-  white-space:pre
-}
-
 img {
 border: 0px;
 }
@@ -38,6 +24,7 @@ span.key { /* Just to make things easier to read */
   padding:0 2px;
   clear:none;
   font-family:monospace;
+  border-radius: 3px;
 }
 
 .figure {