ifmud-event-types.txt

channel event
    messages
    newsboy
    speech
        to
    quotation
    emote
        to
    thoughtbubble
    emits (in practice, emits are usually mimicking speech, quotations, emotes, and so on. but I think it's best to just treat it as unstructured text for now)
room event
    speech
        to
    quotation
    emote
        to
    thoughtbubble
    emits
    whisper
    interaction (this is command responses that depend on what room you're in, or what objects are present)
system event
    page
    holler
    signin/signout
    command responses (responses to things like 'finger' that work no matter where you are)