[1] [CITE@EN[XQuery 1.0: An XML Query Language (Second Edition)]]
( ([TIME[2011-01-05 01:29:08 +09:00]] 版))
<http://www.w3.org/TR/2010/REC-xquery-20101214/#dt-in-scope-namespaces>

[2] [CITE@EN[XML Path Language (XPath) 2.0 (Second Edition)]]
( ([TIME[2011-01-05 01:25:51 +09:00]] 版))
<http://www.w3.org/TR/2010/REC-xpath20-20101214/#dt-in-scope-namespaces>