Aliasing raised_shirt → shirt_up
Link to alias

Reason:

Synonyms. shirt_up hasn't been in use as long, but it matches tag conventions like pants_down better.

I think we should also alias shirt_lift to shirt_up. They aren't quite the same thing (shift_lift is supposed to be for actively lifting) but they are used interchangeably with raised_shirt and I don't think we need to keep that distinction. For example we didn't keep the distinction between removing_panties and panties_down.

EDIT: The tag alias raised_shirt -> shirt_up (forum #217722) has been rejected by @SnowWolf.