Originally Posted by zork
Some code in the link is using
Lua Code:
ChatFrame_AddMessageEventFilter('CHAT_MSG_CHANNEL', function() return true end)
Not sure if that makes sense when you can just remove the filter with
Lua Code:
ChatFrame_RemoveMessageEventFilter (event, filter)
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Terenna is recreating ChatFrame_MessageEventHandler, that filter is to completely block the original event while their new code handles it, otherwise you get double messages printed.