[css2] Tantek's edits: Added DELIM in front of decalration. Added text about

bert-github · bert-github · commit 9e2001c2e7d8 · 2003-03-21T16:04:22.000Z
recovering from malformed declarations.

--HG--
extra : convert_revision : svn%3A73dc7c4b-06e6-40f3-b4f7-9ed1dbc14bfc/trunk%402075
diff --git a/css2/syndata.src b/css2/syndata.src
@@ -1,11 +1,11 @@
 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"
         "http://www.w3.org/TR/1998/REC-html40-19980424/loose.dtd">
 <html lang="en">
-<!-- $Id: syndata.src,v 2.80 2003-01-27 21:38:56 bbos Exp $ -->
+<!-- $Id: syndata.src,v 2.81 2003-03-21 16:04:22 bbos Exp $ -->
 <head>
 <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
 <title>Syntax and basic data types</title>
-<!-- Changed by: Tantek Celik, 2002-12-16 -->
+<!-- Changed by: Tantek Celik, 2003-03-03 -->
 <style type="text/css"> 
  span.colorsquare { float:left; width:5em; height:3em; text-align:center; padding:1.2em 0 .8em }
  span.colorname { font-weight:bold }
@@ -113,8 +113,8 @@ at-rule     : ATKEYWORD S* any* [ block | ';' S* ];
 block       : '{' S* [ any | block | ATKEYWORD S* | ';' ]* '}' S*;
 ruleset     : selector? '{' S* declaration? [ ';' S* declaration? ]* '}' S*;
 selector    : any+;
-declaration : property ':' S* value;
-property    : IDENT S*;
+declaration : DELIM? property S* ':' S* value;
+property    : IDENT;
 value       : [ any | block | ATKEYWORD S* ]+;
 any         : [ IDENT | NUMBER | PERCENTAGE | DIMENSION | STRING
               | DELIM | URI | HASH | UNICODE-RANGE | INCLUDES
@@ -538,6 +538,22 @@ img { }
 <p>A user agent conforming to a future CSS specification may accept one or
 more of the other rules as well.</p>
 
+<li><strong>Malformed declarations.</strong>  User agents must handle unexpected tokens encountered while parsing a declaration by reading until the end of the declaration, while observing the rules for matching pairs of (), [], {}, "", and '', and correctly handling escapes. For example, a malformed declaration may be missing a property, colon (:) or value.  The following are all equivalent:
+
+
+<pre class="example"><code>
+p { color:green }
+p { color:green; color }  /* malformed declaration missing ':', value */
+p { color:red;   color; color:green }  /* same with expected recovery */
+p { color:green; color: } /* malformed declaration missing value */
+p { color:red;   color:; color:green } /* same with expected recovery */
+p { color:green; color{;color:maroon} } /* unexpected tokens { } */
+p { color:red;   color{;color:maroon}; color:green } /* same with recovery */
+</code></pre>
+
+</li>
+
+
 <li><strong>Invalid at-keywords.</strong> User agents must <span
 class="index-inst" title="ignore"><a href="#ignore">ignore</a></span> an
 invalid at-keyword together with everything following it, up to and
@@ -1056,7 +1072,6 @@ a[title="a not so very long title"] {/*...*/}
 </pre>
 </div>
 
-<ins class="proposed">
 <h3 id="unsupportedvalues">Unsupported Values</h3>
 
 <p>If a UA does not support a particular value, it should <em>ignore</em> that
@@ -1078,7 +1093,7 @@ the second display declaration. A UA that does not support the 'run-in'
 value will process the first display declaration and ignore the second
 display declaration.
 </p>
-</ins>
+
 
 <h2>CSS document representation</h2>
 
