codepoints-to-string($codepoints as xs:integer*) xs:string
Creates an xs:string from a sequence of code points. Returns the zero-length string if $codepoints is the empty sequence. If any of the code points in $codepoints is not a legal XML character, an error is raised
$codepoints
The codepoints as a sequence of xs:integer values
Returns the string constructed from the codepoints if valid
