change algorithm used to extract tooltip keys
change algorithm used to extract tooltip keys

benoror/hn-special,kislakiruben/hn-special,lieuwex/hn-special,kislakiruben/hn-special,gabrielecirulli/hn-special,kislakiruben/hn-special,benoror/hn-special,lieuwex/hn-special,gabrielecirulli/hn-special,gabrielecirulli/hn-special,benoror/hn-special,lieuwex/hn-special