i've just found a usecase
for the /s tone tag in a chat.
i decided that i don't wanna use tone tags
without having some kind of spec,
so i gonna dump them here.
list is derived from
this site
the great naki's informal spec of tone tags
tone tag is a marker placed at the end of a message.
it is of the form /$tone,
where $tone is a term
from the list given below.
tone tag gives a property to the setnence before,
hinting the writer's intention