If you have crossed e.g the feline mutation threshold, “:)” will be replaced by “:3”. There are also bird and bear specific ones. It is awesome.
OWO, I guess? Cataclysm-DDA/panels.cpp at 7bcd158f982004c35870ec3bf3332c7e0a64561a · CleverRaven/Cataclysm-DDA · GitHub