adding functional notation, adding content(text) which identical to content(), revising markup

Author: howcome

css-gcpm/Overview.src.html

@@ -202,23 +202,23 @@ <h4>Setting named strings: the 'string-set' property</h4>
 <dd>the counter() or counters() function, as per <a href="http://www.w3.org/TR/CSS21/syndata.html#counter">CSS 2.1 section 4.3.5</a>
 
 
-<dt class=unimplemented>contents
+<dt class=unimplemented>contents()
 
 <dd class=unimplemented>The textual content of the element, including the content of its ::before and ::after pseudo-element. The content of the element's descendants, including their respective ::before and ::after pseudo-elements, are included in the returned content.
 
-<dt><!--content-element-->content
+<dt><!--content-element-->content(text)
 
-<dd>The textual content of the element, not including the content of its ::before and ::after pseudo-element. The content of the element's descendants, including their respective ::before and ::after pseudo-elements, are included in the returned content.
+<dd>The textual content of the element, not including the content of its ::before and ::after pseudo-element. The content of the element's descendants, including their respective ::before and ::after pseudo-elements, are included in the returned content. This is the default value, so ''content()'' is equivalent to ''content(text)''.
 
-<dt><!--content-before-->before
+<dt><!--content-before-->content(before)
 
 <dd>The textual content of the ::before pseudo-element the content of the element.
 
-<dt><!--content-after-->after
+<dt><!--content-after-->content(after)
 
 <dd>The textual content of the ::after pseudo-element the content of the element.
 
-<dt><!--content-first-letter-->first-letter
+<dt><!--content-first-letter-->content(first-letter)
 
 <dd>The first letter of the content of the element. The definition of a letter is the same as for :first-letter pseudo-elements.
 
@@ -387,12 +387,12 @@ <h4>Using named strings</h4>
 <tr>
 <td>1
 <td>
-<div class=pre>&lt;h1>Continents&lt;/h1>
+<pre>&lt;h1>Continents&lt;/h1>
 ...
 &lt;h2>Africa&lt;/h2>
 ...
 ...
-</div>
+</pre>
 <td>Africa
 <td>Africa
 <td>Africa
@@ -402,12 +402,12 @@ <h4>Using named strings</h4>
 <tr>
 <td>2
 <td>
-<div class=pre>...
+<pre>...
 &lt;h2>Americas&lt;/h2>
 ...
 &lt;h2>Asia&lt;/h2>
 ...
-</div>
+</pre>
 <td>Americas
 <td>Africa
 <td>Asia
@@ -417,11 +417,11 @@ <h4>Using named strings</h4>
 <tr>
 <td>3
 <td>
-<div class=pre>...
+<pre>...
 ...
 ...
 ...
-</div>
+</pre>
 <td>Asia
 <td>Asia
 <td>Asia
@@ -430,12 +430,12 @@ <h4>Using named strings</h4>
 <tr>
 <td>4
 <td>
-<div class=pre>&lt;h2>Europe&lt;/h2>
+<pre>&lt;h2>Europe&lt;/h2>
 ...
 &lt;h2>Oceania&lt;/h2>
 ..
 
-</div>
+</pre>
 <td>Europe
 <td>Europe
 <td>Oceania