219 2003-06-03 09:04:27 +0000 '_' is not allowed in ids (underscores in identifiers) 2004-11-26 11:11:35 +0000 1 1 1 Unclassified CSSValidator CSS 2.0 CSS Validator Other other RESOLVED FIXED P2 major --- 1 esvillar plh ewexler plh oldest_to_newest 519 0 esvillar 2003-06-03 09:04:27 +0000 Similar to Bug 155. Both XML and HTML allow underscores in id atributes. Line: 82 Context : #skip Parse Error - #skip_nav {display: none;} 635 1 sijtschesmeman 2003-07-11 10:30:26 +0000 Bug does only exist in online version, not in the CVS version anymore. Considered as fixed 2652 2 ewexler 2004-11-25 16:00:05 +0000 *** Bug 155 has been marked as a duplicate of this bug. *** 2653 3 ewexler 2004-11-25 16:06:31 +0000 HTML specifications, free to read online, have never allowed the underscore in “ID” values. 2654 4 esvillar 2004-11-26 11:08:15 +0000 According to HTML 4.01 specs, underscores are allowed: ID and NAME tokens must begin with a letter ([A-Za-z]) and may be followed by any number of letters, digits ([0-9]), hyphens ("-"), underscores ("_"), colons (":"), and periods ("."). 2655 5 esvillar 2004-11-26 11:11:35 +0000 Sorry, I forgot to include the relevant links to the specs: http://www.w3.org/TR/REC-html40/struct/global.html#h-7.5.2 This shows that the id attribute is of type 'name' token. http://www.w3.org/TR/REC-html40/types.html#type-name This shows that name and id tokens can have underscores.