[tunayx]

Removing underscores from package names that jd automatically creates. So created folders don't have underscores. When I search in my hd for example "elvis presley" the folder named "elvis_presley" can't be found.
I mean replace underscores with spaces. In invalid chars its a bit complicated. If invalid char is like this "elvis:presley" then replace it with space is suitable. An if it's like this "elvis: presley" or "elvis :presley" or "elvis : presley" so invalid char has a space before or after then just removing can be good. Or replacing that invalid char with space in every case then replce double spaces with one space is possible.