In case it matters by look different I mean color.
This is similar to what i have for the normal say
verb
say(msg as text)
src << "<font color=\"#00A000\"><B>-[src]-</B>: <font color=\"#00F000\">[msg]"
oview(src) << "<font color=\"#60A060\"><B>-[src]-</B>: <font color=\"#60F060\">[msg]"