10075 2010-07-03 23:06:45 +0000 specify that polyglot docs do not contain xml:space or xml:base attributes 2010-10-05 13:07:40 +0000 1 1 1 Unclassified HTML WG pre-LC1 HTML/XHTML Compat. Authoring Guide (ed: Eliot Graff) unspecified PC All RESOLVED FIXED http://dev.w3.org/html5/spec/elements.html#the-xml:base-attribute-xml-only P2 normal --- 1 mike eliotgra eliotgra hsivonen mike public-html-admin public-html-wg-issue-tracking public-html-bugzilla oldest_to_newest 36560 0 mike 2010-07-03 23:06:45 +0000 The xml:space and xml:base attributes have effects in documents parsed as XML but do not have effects in documents parsed as text/html. The HTML5 spec therefore defines them as invalid in text/html documents. 36714 1 hsivonen 2010-07-09 06:37:41 +0000 xml:space and xml:base are OK on SVG and MathML elements. 36739 2 eliotgra 2010-07-09 23:57:32 +0000 Added section 7.1 to spec: 7.1 Disallowed Attributes The following attributes are not allowed in polyglot markup. These attributes have effects in documents parsed as XML but do not have effects in documents parsed as text/html. The HTML5 spec therefore defines them as invalid in text/html documents. [HTML5] •xml:space •xml:base Thanks for the feedback! 36740 3 eliotgra 2010-07-10 00:03:10 +0000 Also added a note: Note that the xml:space and xml:base attributes are allowed on SVG and MathML elements.