escape-html-uri($html-uri as xs:string?) xs:string
Replaces all nonprintable ASCII characters in the string value of $html-uri by an escape sequence represented as a hexadecimal octet in the form %XX. If $html-uri is the empty sequence, returns the zero-length string.
$html-uri
The html URI
Returns all nonprintable ASCII characters in $html-uri encoded by escape sequences