bnet_names.lua

local function getnote(fullname)
	local _, online = BNGetNumFriends()
	for i=1,online do
		local _, givenName, surname, _, _, _, _, _, _, _, _, note = BNGetFriendInfo(i)
		if (givenName.. " ".. surname) == fullname and note and note ~= "" then return note end
	end
	return name:gsub(" %w+$", "")
end
local function bettername(self, event, msg, name, ...)
	print(event, msg, name, ...)
	return false, msg, getnote(name), ...
end
ChatFrame_AddMessageEventFilter("CHAT_MSG_BN_WHISPER", bettername)
ChatFrame_AddMessageEventFilter("CHAT_MSG_BN_WHISPER_INFORM", bettername)