Gradient via compass background-image failes about scssphp HOT 2 CLOSED

@function stringConcatCompassStyle($start,$last) {
    // Compass still uses it like this
    @return #{$start}-#{$last};
}

@function -svg($last) {
    @return stringConcatCompassStyle("-svg", $last);
}
@function -owg($last) {
    @return stringConcatCompassStyle("-owg", $last);
}
@function -webkit($last) {
    @return stringConcatCompassStyle("-webkit", $last);
}
@function -moz($last) {
    @return stringConcatCompassStyle("-moz", $last);
}
@function -o($last) {
    @return stringConcatCompassStyle("-o", $last);
}
@function -ms($last) {
    @return stringConcatCompassStyle("-ms", $last);
}
@function -khtml($last) {
    @return stringConcatCompassStyle("-khtml", $last);
}
@function -pie($last) {
    @return stringConcatCompassStyle("-pie", $last);
}