On Sun, 25 Jan 2009, Sam Ruby wrote: > > Again, it is worth repeating that Venus produces a file. Whether that > file is later served as text/html or as application/xhtml+xml is > something the person who uses Venus decides. XML and text/html have differences that go far beyond mere syntax. When you produce XML or text/html, you need to know which it is so that you can output the right markup. The way nodes are exposed in the DOM, CSS rules around the <body> and <tbody> elements, features like <noscript>, all depend whether the document is XML or text/html. It's possible to output a polyglot document that is valid both as XHTML5 in XML and HTML5 in text/html, but it requires care and discipline. (If anything, this should be considered a third language and API set, stricter than either of the other two.) One of the rules for making polyglot documents is that one must output <!DOCTYPE HTML>, which is allowed in both. (Other rules include being careful about using the /> form, being careful about namespace declarations, being careful about xml:lang/lang, being careful with script and CSS, etc.) -- Ian Hickson U+1047E )\._.,--....,'``. fL http://ln.hixie.ch/ U+263A /, _.. \ _\ ;`._ ,. Things that are impossible just take longer. `._.-(,_..'--(,_..'`-.;.'Received on Monday, 26 January 2009 03:01:07 UTC
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