- From: Sam Ruby <rubys@us.ibm.com>
- Date: Fri, 31 Aug 2007 18:07:21 -0400
- To: Philip Taylor <philip@zaynar.demon.co.uk>
- CC: "public-html@w3.org WG" <public-html@w3.org>
Philip Taylor wrote: > > Dan Connolly wrote: >> XHTML documents served as text/html result in interoperable behavior >> in typical cases, so that constraint is too strong. Please change >> it to "SHOULD be sent..." and "SHOULD NOT be served...". > > Several typical cases result in non-interoperable behaviour in current > browsers - e.g. <script src="..."/> acts inconsistently when parsed as > text/html: > > http://software.hixie.ch/utilities/js/live-dom-viewer/?%3Chtml%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1999%2Fxhtml%22%3E%0D%0A%3Chead%3E%0D%0A%3Ctitle%3E%26lt%3Bscript%2F%26gt%3B%20in%20XHTML-as-text%2Fhtml%3C%2Ftitle%3E%0D%0A%3Cscript%20type%3D%22text%2Fjavascript%22%20src%3D%22emptyfile.js%22%2F%3E%0D%0A%3C%2Fhead%3E%0D%0A%3Cbody%3E%0D%0A%3Cp%3EBody%3C%2Fp%3E%0D%0A%3C%2Fbody%3E%0D%0A%3C%2Fhtml%3E > > Firefox 2, Opera 9.2, Safari 3: shows the text "Body". > Firefox 3 (2007-08-05), IE7: shows no text. > > CDATA acts inconsistently too: > > http://software.hixie.ch/utilities/js/live-dom-viewer/?%3Chtml%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1999%2Fxhtml%22%3E%0D%0A%3Chead%3E%0D%0A%3Ctitle%3E%3C%2Ftitle%3E%0D%0A%3C%2Fhead%3E%0D%0A%3Cbody%3E%0D%0A%3Cp%3E%3C!%5BCDATA%5B%20%5B%3E%20%5D%5D%3EBody%3C%2Fp%3E%0D%0A%3C%2Fbody%3E%0D%0A%3C%2Fhtml%3E > > Firefox 2, 3: shows "Body". > Safari 3, IE7: shows "]]>Body". > Opera 9: shows no text. (It's weirder if you use a static file instead > of the Live DOM Viewer - it shows "y".) > > <?xml ...?> declarations cause more inconsistency since they make IE6 > render in quirks mode. > > Only the subset of XHTML documents which also comply with some Appendix > C-like (but much stricter and more detailed) guidelines could be served > as text/html without practical problems. For interoperable processing by > existing UAs, normal XHTML documents (i.e. those not carefully > constructed to work as HTML) must not be text/html. You can find a somewhat more complete list here: http://wiki.whatwg.org/wiki/HTML_vs._XHTML - Sam Ruby
Received on Friday, 31 August 2007 22:07:35 UTC