[css2] The letters u, r and l if the url() notation may be escaped. See

bert-github · bert-github · commit fdfd5d46c846 · 2013-05-02T11:57:56.000Z
http://lists.w3.org/Archives/Public/www-style/2013Jan/0616.html --HG-- extra : convert_revision : svn%3A73dc7c4b-06e6-40f3-b4f7-9ed1dbc14bfc/trunk%403269
diff --git a/css2/grammar.src b/css2/grammar.src
@@ -1,6 +1,6 @@
 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN">
 <html lang="en">
-<!-- $Id: grammar.src,v 2.72 2011-10-18 19:25:27 bbos Exp $ -->
+<!-- $Id: grammar.src,v 2.73 2013-05-02 11:57:56 bbos Exp $ -->
 <HEAD>
 <TITLE>Grammar of CSS&nbsp;2.1</TITLE>
 <!--script src="http://www.w3c-test.org/css/harness/annotate.js#CSS21_DEV" type="text/javascript" defer></script-->
@@ -160,9 +160,9 @@ badstring1      \"([^\n\r\f\\"]|\\{nl}|{escape})*\\?
 badstring2      \'([^\n\r\f\\']|\\{nl}|{escape})*\\?
 badcomment1     \/\*[^*]*\*+([^/*][^*]*\*+)*
 badcomment2     \/\*[^*]*(\*+[^/*][^*]*)*
-baduri1         url\({w}([!#$%&amp;*-\[\]-~]|{nonascii}|{escape})*{w}
-baduri2         url\({w}{string}{w}
-baduri3         url\({w}{badstring}
+baduri1         {U}{R}{L}\({w}([!#$%&amp;*-\[\]-~]|{nonascii}|{escape})*{w}
+baduri2         {U}{R}{L}\({w}{string}{w}
+baduri3         {U}{R}{L}\({w}{badstring}
 comment		\/\*[^*]*\*+([^/*][^*]*\*+)*\/
 ident		-?{nmstart}{nmchar}*
 name		{nmchar}+
@@ -242,8 +242,8 @@ Z		z|\\0{0,4}(5a|7a)(\r\n|[ \t\r\n\f])?|\\z
 {num}%			{return PERCENTAGE;}
 {num}			{return NUMBER;}
 
-"url("{w}{string}{w}")" {return URI;}
-"url("{w}{url}{w}")"    {return URI;}
+{U}{R}{L}"("{w}{string}{w}")" {return URI;}
+{U}{R}{L}"("{w}{url}{w}")"    {return URI;}
 {baduri}                {return BAD_URI;}
 
 {ident}"("		{return FUNCTION;}
