9968 2010-06-21 07:48:14 +0000 The definition of 'polyglot document' should be be stricter 2010-10-05 13:07:44 +0000 1 1 1 Unclassified HTML WG pre-LC1 HTML/XHTML Compat. Authoring Guide (ed: Eliot Graff) unspecified All All RESOLVED FIXED http://dev.w3.org/html5/html-xhtml-author-guide/html-xhtml-authoring-guide.html#abstract P2 normal --- 1 hsivonen eliotgra eliotgra mike public-html-admin public-html-wg-issue-tracking public-html-bugzilla oldest_to_newest 36289 0 hsivonen 2010-06-21 07:48:14 +0000 Currently, the polyglot publication says: "A polyglot document is an HTML5 document which is at the same time an XML document and an HTML document, and which meets a well defined set of constraints." The above sentence allows for documents that have a different document tree when parsed as HTML and XML. (Unless, of course, the well-defined set of constraints bans this case.) For example: <!DOCTYPE html><html xmlns="http://www.w3.org/1999/xhtml"><title></title></html> Please define a polyglot document in terms of the same document tree: "A polyglot document is a stream of bytes that parses into identical document trees (with the exception of the xmlns attribute on the root element) when processed as HTML and when processed as XML." 38569 1 eliotgra 2010-09-07 22:10:35 +0000 Editor's Draft now uses the text below: Abstract A document that uses polyglot markup is document that is a stream of bytes that parses into identical document trees (with the exception of the xmlns attribute on the root element) when processed as HTML and when processed as XML. Polyglot markup that meets a well defined set of constraints is interpreted as compatible, regardless of whether they are processed as HTML or as XHTML, per the HTML5 specification. Polyglot markup uses a specific DOCTYPE, namespace declarations, and a specific casenormally lower case but occasionally camel casefor element and attribute names. Polyglot markup uses lower case for certain attribute values. Further constraints include those on empty elements, named entity references, and the use of scripts and style. Thanks, E