script comments can be //xx or // xx
Revert "script comments can be //xx or // xx"

This reverts commit b57b785fec1372588c224a4a5be8a397cbc204ad.
Revert "Revert "script comments can be //xx or // xx""

This reverts commit 163f173f0b576b200585b1b6934adbde8b8c8716.