[css-content] fix various bikeshed issues

Author: dauwhe

css-content/Overview.bs

@@ -114,7 +114,7 @@ The 'content' property dictates what is rendered inside the element or pseudo-el
 
 <dt><dfn type><<content-list>></dfn>
 <dd>
-	[ <<string>> | contents |  <<uri>> | <<quote>> | ''document-url'' | <<datetime>> | <<target>> | ''leader()'' ]+
+	[ <<string>> | contents |  <<uri>> | <<quote>> | ''document-url'' | <<target>> | ''leader()'' ]+
 
 See sections below for details on each of these.
 
@@ -178,7 +178,7 @@ Issue: should the contents keyword be replaced with ''content()''
 <h2 id="content-functions">
 Content Values and Functions</h2>
 
-	The ''content'' property can be used to add many different types of content to a document,
+	The 'content' property can be used to add many different types of content to a document,
     including images, strings, the values of counters, and the text value of elements. 
     In this section we enumerate the possibilities. 
 
@@ -292,7 +292,7 @@ contents</h3>
 <h3 id="quotes">
 Quotes</h3>
 
-	HTML has long had the <code>q</code> element, used to delimit quotations. The ''quotes'' property, in conjunction with the various *-quote values of the ''content'' property, can be used to properly style such quotations.
+	HTML has long had the <code>q</code> element, used to delimit quotations. The ''quotes'' property, in conjunction with the various *-quote values of the 'content' property, can be used to properly style such quotations.
 
 
 <h4 id="specifying-quotes">
@@ -336,7 +336,7 @@ The *-quote values of the content property
 
 
 	<pre class="prod">
-		<dfn><<quote>></dfn> = [open-quote | close-quote | no-open-quote | no-close-quote] )
+		<dfn><<quote>></dfn> = [open-quote | close-quote | no-open-quote | no-close-quote]
 	</pre>
 
 
@@ -566,7 +566,7 @@ use a hypothetical line block that extends across the whole containing block to
 BBBBBBBBBB
 ..........
 </pre>
-<li> Draw the before and after content on top of the leader. If any part of the <var>before</var> or <var>after content</var> overlaps a glyph in a leader string box, that glyph is not displayed.<pre>
+<li> Draw the before and after content on top of the leader. If any part of the <var>before content</var> or <var>after content</var> overlaps a glyph in a leader string box, that glyph is not displayed.<pre>
 BBBBBBBBBB
 BBB....AAA
 </pre>
@@ -614,6 +614,15 @@ Cross references and the target-* functions
 	</ul>
 	Three new values for the content property are used to automatically create these types of cross-references: ''target-counter()'', ''target-counters()'', and ''target-text()''. Each of these displays information obtained from the target end of a link.
 
+
+	<pre class="prod">
+		<dfn><<target>></dfn> = [ ''target-counter()'' | ''target-counters()'' | ''target-text()'' ]
+	</pre>
+
+	See sections below for details on each of these.
+
+
+
 <h4 id="target-counter">
 The ''target-counter()'' function
 </h4>