[Bug-kawa] [bug #23176] XMLNS seems to break XQuery

[Per Bothner]

Update of bug #23176 (project kawa):

                  Status:                    None => Invalid                
             Assigned to:                    None => bothner                
             Open/Closed:                    Open => Closed                 

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Follow-up Comment #1:

This is correct.  The 'p' in the XQuery program means to match against an
element p in the "default element namespace", which is the empty namespace.

http://www.w3.org/TR/xquery/#node-tests
"An unprefixed QName, when used as a name test on an axis whose principal
node kind is element, has the namespace URI of the default element/type
namespace in the expression context; otherwise, it has no namespace URI."

Since you haven't defined a default element namespace, the default for the
default element namespace is the empty namespace, which doesn't match
"http://www.w3.org/1999/xhtml";.
You can set the default element namespace as described here:
http://www.w3.org/TR/xquery/#id-default-namespace

Note if you want to match 'p' in *any* namespace, you can write *:p as in:
doc("xq_test.html")//*:p/text()

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