up conversion using regex (was something else)
Wendell wrote > Well up-conversion has been going on along as e-text has. But XML is only > now beginning to catch up to where Omnimark and even Perl were years ago. yes the XSLT2 functionality in this area is going to prove very useful I think. I wrote some kind of stream of consciousness thoughts on requirements in this area a couple of years back: http://lists.w3.org/Archives/Public/xsl-editors/2002JanMar/0083.html The exact syntax that the WG came up with is rather different to the suggestions in that mail, but I believe that it can cope with most if not all of the requirements. For example one of the harder cases that I floated was RE-6c: HTML Markup. As above but with HTML, in particular with implied end tags. In general this requires a DTD and knowledge of SGML omitted tag rules. To handle general HTML as it appears in the wild, arbitrarily complicated "tag soup" parsing heuristics as implemented in the browsers would be needed. However this appears to be a very common requirement often generated by storing HTML fragments as strings in a database. One may hope that specific simple cases may be handled for example: The regexp support in XSLT2/saxon8 is enough to do this: see for example http://www.dcarlisle.demon.co.uk/htmlparse.xsl which does the above (parsing dubiously formed html, together with some support for embedded xml_+namespace syntax). This provides an alternative for the FAQ question on what to do with <foo><![CDATA[...<a href="#x">click here</a> ...]]><foo> as you can now handle that quite reasonably with XSLT2. David ________________________________________________________________________ This e-mail has been scanned for all viruses by Star Internet. The service is powered by MessageLabs. For more information on a proactive anti-virus service working around the clock, around the globe, visit: http://www.star.net.uk ________________________________________________________________________
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