Mark all unexpected EOFs as parse errors. Fixes w3c#132.

Author: tabatkins

css-syntax/Overview.bs

@@ -1244,8 +1244,12 @@ Consume a string token</h4>
 
 	<dl>
 		<dt><var>ending code point</var>
+		<dd>
+			Return the <<string-token>>.
+
 		<dt>EOF
 		<dd>
+			This is a <a>parse error</a>.
 			Return the <<string-token>>.
 
 		<dt><a>newline</a>
@@ -1257,6 +1261,7 @@ Consume a string token</h4>
 		<dt>U+005C REVERSE SOLIDUS (\)
 		<dd>
 			If the <a>next input code point</a> is EOF,
+			this is a <a>parse error</a>;
 			do nothing.
 
 			Otherwise,
@@ -1291,22 +1296,27 @@ Consume a url token</h4>
 
 		<li>
 			If the <a>next input code point</a> is EOF,
-			return the <<url-token>>.
+			this is a <a>parse error</a>.
+			Return the <<url-token>>.
 
 		<li>
 			Repeatedly consume the <a>next input code point</a> from the stream:
 
 			<dl>
 				<dt>U+0029 RIGHT PARENTHESIS ())
-				<dt>EOF
 				<dd>
 					Return the <<url-token>>.
 
+				<dt>EOF
+					This is a <a>parse error</a>.
+					Return the <<url-token>>.
+
 				<dt><a>whitespace</a>
 				<dd>
 					Consume as much <a>whitespace</a> as possible.
 					If the <a>next input code point</a> is U+0029 RIGHT PARENTHESIS ()) or EOF,
-					consume it and return the <<url-token>>;
+					consume it and return the <<url-token>>
+					(if EOF was encountered, this is a <a>parse error</a>);
 					otherwise,
 					<a>consume the remnants of a bad url</a>,
 					create a <<bad-url-token>>,
@@ -1370,6 +1380,7 @@ Consume an escaped code point</h4>
 
 		<dt>EOF code point
 		<dd>
+			This is a <a>parse error</a>.
 			Return U+FFFD REPLACEMENT CHARACTER (�).
 
 		<dt>anything else
@@ -2351,10 +2362,13 @@ Consume an at-rule</h4>
 
 	<dl>
 		<dt><<semicolon-token>>
-		<dt><<EOF-token>>
 		<dd>
 			Return the at-rule.
 
+		<dt><<EOF-token>>
+			This is a <a>parse error</a>.
+			Return the at-rule.
+
 		<dt><a href="#tokendef-open-curly">&lt;{-token></a>
 		<dd>
 			<a>Consume a simple block</a>
@@ -2531,11 +2545,14 @@ Consume a simple block</h4>
 	Repeatedly consume the <a>next input token</a> and process it as follows:
 
 	<dl>
-		<dt><<EOF-token>>
 		<dt><a>ending token</a>
 		<dd>
 			Return the block.
 
+		<dt><<EOF-token>>
+			This is a <a>parse error</a>.
+			Return the block.
+
 		<dt>anything else
 		<dd>
 			<a>Reconsume the current input token</a>.
@@ -2557,11 +2574,14 @@ Consume a function</h4>
 	Repeatedly consume the <a>next input token</a> and process it as follows:
 
 	<dl>
-		<dt><<EOF-token>>
 		<dt><a href="#tokendef-close-paren">&lt;)-token></a>
 		<dd>
 			Return the function.
 
+		<dt><<EOF-token>>
+			This is a <a>parse error</a>.
+			Return the function.
+
 		<dt>anything else
 		<dd>
 			<a>Reconsume the current input token</a>.