feat(spec)!: a URL is judged as a URL parser cleans it — surrounding whitespace trimmed, tab and newline characters removed — with one userinfo grammar at both doors; a credential query parameter is refused in any string of a connector entry

feat(spec)!: a URL is judged as a URL parser cleans it — surrounding whitespace trimmed, tab and newline characters removed — with one userinfo grammar at both doors; a credential query parameter is refused in any string of a connector entry #17926