xml-dev - RE: EMBED and validation

["Simon St.Laurent" <SimonStL@classic.msn.com>]

Given the wide variety of possible interpretations Peter has enumerated, it 
looks like I'll be taking the most conservative road possible and developing 
documents and links in such a way that they will remain valid whether or not 
the EMBEDded material is included as part of the document.  So far, I think 
I'll only need one ANY.  The documents I want to link (at this point) all 
share the same DTD - I hate to imagine what will happen if I need to open that 
up.  Still, this is a considerable improvement on the tools I've worked with 
before.

This EMBED issue raises even more bizarre questions for styling - 
context-dependent styling could well be forced to adjust if EMBEDded material 
is considered part of the document tree.  Taking this into account will be an 
interesting challenge that may force me to use some old-style CLASS 
attributes, but we'll see.  CSS will have some problems, but they may be 
surmountable.  XML styling hasn't exactly happened yet, but I hope the 
developers are keeping this in mind.

XDEV sounds like a much-needed idea given the latitude of interpretation 
allowed to applications.  It may also be needed (or need to be extended 
further) given some of the switches we may need for turning on and off these 
SGML features people seem to want included in their parsers.  But maybe we 
_can_ make everyone happy.

Simon St.Laurent
Dynamic HTML: A Primer / XML: A Primer (January) / Cookies (February)



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