[racket] sxml vs xexprs

I think this is mostly a question for Neil...

What are the advantages and disadvantages of SXML vs. xexprs? I've googled for this, but none of the high-ranked hits attempt to actually catalog their relative virtues.

Here's what I can come up with:

namespaces : xexprs don't handle namespaces, right? 

web-server support: Jay's recent changes make the web-server relatively representation agnostic, but the built-in methods are there for xexprs and not for SXML

parsing : I get the sense that the SXML parser is way more general, but it's not clear to me when this is useful.

serialization : I think that SXML serialization produces better results...

entity support: they support it in different ways, right?

representation choices: the SXML choice (@ for attrs) seems less error-prone, though the choice of '@' is really unfortunate when I want to abstract using the 'at-exp' languages.


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