sub_A7C9 -> get_supertiles
event_roll_call: Document the point when all the characters turn to face forward.
Change missing from e60a71f.
sub_DBEB: Reduce.
item_discovered: Document possible bug.
sub_CA81: Indent, reduce, make notes.
sub_C918: Reduce, fix flags.
flag_ -> vischar_ fixes.
indoors: Reduce.
Terminology: 'active character list' -> 'visible character list'.