[css2] Minor formatting touchups. attr(X) refers ONLY to subject of selector

--HG--
extra : convert_revision : svn%3A73dc7c4b-06e6-40f3-b4f7-9ed1dbc14bfc/trunk%401527

Author: ianbjacobs

css2/generate.src

@@ -226,10 +226,13 @@ class="value-inst-no-close-quote"><strong>no-close-quote</strong></span></span>
 the level of nesting for quotes.
 
 <dt><span class="index-def" title="attr()"><strong>attr(X)</strong></span>
-<dd>This function returns the value of attribute X as a string. The
+<dd>This function returns as a string the value of attribute X 
+for the subject of the selector. The
 string is not parsed by the CSS processor.  If the subject of the selector
 doesn't have an attribute X, an empty string is returned. The
 case-sensitivity of attribute names depends on the document language.
+<strong>Note.</strong> In CSS2, it is not possible to refer to
+attribute values for other elements of the selector.
 
 <!--
 <p>Note that the string is parsed according to the rules of the
@@ -589,17 +592,17 @@ quotes on elements based on the language of the surrounding
 text:</P>
 
 <pre>
-[LANG|=fr] > *  {quotes: "�" "�" "\2039" "\203A"}
-[LANG|=en] > *  {quotes: "\201C" "\201D" "\2018" "\2019"}
+[LANG|=fr] > *  { quotes: "�" "�" "\2039" "\203A" }
+[LANG|=en] > *  { quotes: "\201C" "\201D" "\2018" "\2019" }
 </pre>
 
 <p>The quotation marks for English are shown here in a form that most
 people will be able to type. If you can type them directly, they will
 look like this:
 
 <pre>
-[LANG|=fr] > * {quotes: "�" "�" "&#8249;" "&#8250;"}
-[LANG|=en] > * {quotes: "&#8220;" "&#8221;" "&#8216;" "&#8217;"}
+[LANG|=fr] > * { quotes: "�" "�" "&#8249;" "&#8250;" }
+[LANG|=en] > * { quotes: "&#8220;" "&#8221;" "&#8216;" "&#8217;" }
 </pre>
 </div>
 
@@ -666,15 +669,15 @@ property follows the cascading rules. Thus, due to cascading, the
 following stylesheet:</p>
 
 <pre class="example">
-H1 {counter-reset: section -1}
-H1 {counter-reset: imagenum 99}
+H1 { counter-reset: section -1 }
+H1 { counter-reset: imagenum 99 }
 </pre>
 
 <p>will only reset 'imagenum'. To reset both counters, they have to be
 specified together:</p>
 
 <pre class="example">
-H1 {counter-reset: section -1 imagenum 99}
+H1 { counter-reset: section -1 imagenum 99 }
 </pre>
 
 <h3><a name="scope">Nested counters and scope</a></h3>