Review: Needs Information
It looks very good.
Should the actual atomic type be present in the attribute element?
If you have "by @id" where @id can be 1 or "1", you might want to create two
If a key returns (), you might want to distinguish with empty string for
By using keys(), I got the following output:
Is the namespace useful or does it just make the life of the user harder?
Why isn't it:
<keys><key value="hello" /><key value="4" /></keys>
Again, could you explain me how I'm supposed to probe from such XDM if one of
the actual key returned empty sequence? Should the keys have a position
attribute or something?
The doc/zorba/xqddf.dox doesn't seem to mention the function, it should no?
The xqdoc seems to have a formatting problem: the output example for keys()
goes out of its box.
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