, ' " & &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 outer for in let for tumbling window in sliding window in start when only end when previous next count where group by collation stable order by return if then else at as in satisfies instance of cast as castable as treat as case return default return typeswitch try catch | validate as text() comment() namespace-node() node() processing-instruction document-node attribute element schema-element schema-attribute { {{ } }} &#xA; &#x9; xmlns : { {{ } }} element attribute document { } text comment namespace processing-instruction unordered ordered xquery version encoding declare namespace declare default namespace declare boundary-space declare default collation declare base-uri declare construction declare ordering declare default order declare copy-namespaces declare option Incorrect XQueryX: xqx:decimalFormatDecl does not allow both @default=true and xqx:decimalFormatName declare default decimal-format = empty-sequence() item() ? as declare context item external := declare variable external := at , import schema default element namespace namespace import module namespace declare nondeterministic deterministic function external module namespace Incorrect XQueryX: The only top-level element permitted is xqx:module