[css3-syntax] Make EOF better match up with } behavior in selector and at-rule preludes.

Author: tabatkins

css3-syntax/Overview.html

@@ -2977,7 +2977,12 @@ <h4 id=at-rule-prelude-mode><span class=secno>5.3.2. </span> <dfn
 
    <dt>EOF token
 
-   <dd> <a href="#finish-parsing0"><i>Finish parsing</i></a>.
+   <dd> If the <a href="#current-rule"><i>current rule</i></a> is <a
+    href="#declaration-filled"><i>declaration-filled</i></a> or <a
+    href="#rule-filled"><i>rule-filled</i></a>, this is a <i>parse error</i>.
+    <a href="#discard-the-current-rule0"><i>Discard the current rule</i></a>.
+    <a href="#finish-parsing0"><i>Finish parsing</i></a>.
+    <p> Otherwise, <a href="#finish-parsing0"><i>finish parsing</i></a>.
 
    <dt>anything else
 
@@ -3056,8 +3061,9 @@ <h4 id=selector-mode><span class=secno>5.3.4. </span> <dfn
 
    <dt>EOF token
 
-   <dd> <a href="#discard-the-current-rule0"><i>Discard the current
-    rule</i></a>. <a href="#finish-parsing0"><i>Finish parsing</i></a>.
+   <dd> This is a <i>parse error</i>. <a
+    href="#discard-the-current-rule0"><i>Discard the current rule</i></a>. <a
+    href="#finish-parsing0"><i>Finish parsing</i></a>.
 
    <dt>anything else
 

css3-syntax/Overview.src.html

@@ -2449,8 +2449,15 @@ <h4>
 
 		<dt>EOF token
 		<dd>
+			If the <i>current rule</i> is <i>declaration-filled</i> or <i>rule-filled</i>,
+			this is a <i>parse error</i>.
+			<i>Discard the current rule</i>.
 			<i>Finish parsing</i>.
 
+			<p>
+				Otherwise,
+				<i>finish parsing</i>.
+
 		<dt>anything else
 		<dd>
 			<i>Consume a primitive</i>
@@ -2531,6 +2538,7 @@ <h4>
 
 		<dt>EOF token
 		<dd>
+			This is a <i>parse error</i>.
 			<i>Discard the current rule</i>.
 			<i>Finish parsing</i>.