I generally use brackets such as [] for mine personally but that's just personal choice.
I.E.: [He spills his tea, cursing to various deities about his poor luck.]
This is a good idea, I just hope that it isn't used improperly too much.
You fear oblivion. Yet you forget. The universe remembers every atom of your being. Even dust hums your name in the dark. Roleplay is dead. Long live Powertraders and PvP I guess.