[css-syntax] Kill the remaining instances of 'recognized at-rule name'.

Author: tabatkins

css-syntax/Overview.html

@@ -2819,15 +2819,6 @@ <h2 id=parsing><span class=secno>5. </span> Parsing</h2>
 
    <dd> A simple block has an associated token (either a [, (, or { token)
     and a value consisting of a list of component values.
-
-   <dt><dfn id=recognized-at-rule-name>recognized at-rule name</dfn>
-
-   <dd> When the parser is invoked, it must be provided with a list of <a
-    href="#recognized-at-rule-name"><i>recognized at-rule names</i></a>,
-    representing the <a href="#at-rule"><i>at-rules</i></a> that the invoker
-    knows about. Each name in the list is additionally associated with
-    whether the <a href="#at-rule"><i>at-rule</i></a> is <i>rule-filled</i>,
-    <i>declaration-filled</i>, or a <i>statement</i>.
   </dl>
 
   <h3 id=parser-diagrams><span class=secno>5.1. </span> Parser Railroad
@@ -3460,19 +3451,8 @@ <h4 id=parse-a-rule><span class=secno>5.3.2. </span> <dfn
    <li> If the <a href="#current-input-token"><i>current input token</i></a>
     is a CDO token, CDC token, or EOF token, return a syntax error.
     <p> Otherwise, if the <a href="#current-input-token"><i>current input
-     token</i></a> is an at-keyword token:
-
-    <ul>
-     <li> If the at-keyword token's name is on the list of <a
-      href="#recognized-at-rule-name"><i>recognized at-rule names</i></a>,
-      and the list indicates that it is a <i>rule-filled</i> or
-      <i>declaration-filled</i> at-rule, <a
-      href="#consume-an-at-rule0"><i>consume an at-rule</i></a>. If nothing
-      was returned, return a syntax error.
-
-     <li> Otherwise, <i>consume an at-statement</i>. If nothing was returned,
-      return a syntax error.
-    </ul>
+     token</i></a> is an at-keyword token, <a
+     href="#consume-an-at-rule0"><i>consume an at-rule</i></a>.
 
     <p> Otherwise, <a href="#consume-a-qualified-rule0"><i>consume a
      qualified rule</i></a>. If nothing was returned, return a syntax error.
@@ -3701,13 +3681,8 @@ <h4 id=consume-a-list-of-declarations><span class=secno>5.4.4. </span> <dfn
 
    <dt>at-keyword token
 
-   <dd> <a href="#reconsume-the-current-input-token"><i>Reconsume the current
-    input token</i></a>. If the token's value is on the list of <a
-    href="#recognized-at-rule-name"><i>recognized at-rule names</i></a>, and
-    is noted as <i>rule-filled</i> or <i>declaration-filled</i>, <a
-    href="#consume-an-at-rule0"><i>consume an at-rule</i></a>; otherwise,
-    <i>consume an at-statement</i>. If anything was returned, append it to
-    the list of declarations.
+   <dd> <a href="#consume-an-at-rule0"><i>Consume an at-rule</i></a>. Append
+    the returned rule to the list of declarations.
 
    <dt>ident token
 
@@ -4557,9 +4532,6 @@ <h2 class=no-num id=index> Index</h2>
     title="section 2."><strong>2.</strong></a>, <a href="#qualified-rule0"
     title="section 5."><strong>5.</strong></a>
 
-   <li>recognized at-rule name, <a href="#recognized-at-rule-name"
-    title="section 5."><strong>5.</strong></a>
-
    <li>reconsume the current input character, <a
     href="#reconsume-the-current-input-character"
     title="section 4.2."><strong>4.2.</strong></a>

css-syntax/Overview.src.html

@@ -2157,16 +2157,6 @@ <h2>
 		<dd>
 			A simple block has an associated token (either a [, (, or { token)
 			and a value consisting of a list of component values.
-
-		<dt><dfn>recognized at-rule name</dfn>
-		<dd>
-			When the parser is invoked,
-			it must be provided with a list of <i>recognized at-rule names</i>,
-			representing the <i>at-rules</i> that the invoker knows about.
-			Each name in the list is additionally associated with whether the <i>at-rule</i> is
-			<i>rule-filled</i>,
-			<i>declaration-filled</i>,
-			or a <i>statement</i>.
 	</dl>
 
 <h3 id='parser-diagrams'>
@@ -2369,22 +2359,8 @@ <h4>
 
 			<p>
 				Otherwise,
-				if the <i>current input token</i> is an at-keyword token:
-
-			<ul>
-				<li>
-					If the at-keyword token's name is on the list of <i>recognized at-rule names</i>,
-					and the list indicates that it is a <i>rule-filled</i> or <i>declaration-filled</i> at-rule,
-					<i>consume an at-rule</i>.
-					If nothing was returned,
-					return a syntax error.
-
-				<li>
-					Otherwise,
-					<i>consume an at-statement</i>.
-					If nothing was returned,
-					return a syntax error.
-			</ul>
+				if the <i>current input token</i> is an at-keyword token,
+				<i>consume an at-rule</i>.
 
 			<p>
 				Otherwise,
@@ -2648,14 +2624,8 @@ <h4>
 
 		<dt>at-keyword token
 		<dd>
-			<i>Reconsume the current input token</i>.
-			If the token's value is on the list of <i>recognized at-rule names</i>,
-			and is noted as <i>rule-filled</i> or <i>declaration-filled</i>,
-			<i>consume an at-rule</i>;
-			otherwise,
-			<i>consume an at-statement</i>.
-			If anything was returned,
-			append it to the list of declarations.
+			<i>Consume an at-rule</i>.
+			Append the returned rule to the list of declarations.
 
 		<dt>ident token
 		<dd>