, ' " & &amp; < &lt; &#x85; &#xD; &#x2028; " "" Incorrect XQueryX: Attribute names are not permitted to have prefix 'xmlns'; use xqx:namespaceDeclaration to declare namespaces Incorrect XQueryX: Attribute names are not permitted to be 'xmlns'; use xqx:namespaceDeclaration to declare namespaces Incorrect XQueryX: function calls must not use unqualified "reserved" name "" div idiv mod eq ne lt gt le ge ! is and or union intersect except for in let return where collation stable order by if then else at as in satisfies instance of cast as castable as treat as case return default return typeswitch validate text() comment() node() processing-instruction document-node attribute element schema-element schema-attribute { {{ } }} &#xA; &#x9; xmlns : { {{ } }} element attribute document { } text comment processing-instruction unordered ordered xquery version declare namespace declare default namespace declare default collation declare base-uri declare construction declare ordering declare default order declare copy-namespaces declare option empty-sequence() item() ? as declare variable external at , import schema default element namespace namespace import module namespace declare function external module namespace Incorrect XQueryX: The only top-level element permitted is xqx:module