How about a short hand type of option whare you can type a short hand of a word( ie the name ) such as
"wtb" and it will turn it in to "want to buy"
or
"lfg" turns in to "looking for a group"
but it would be a option and you could add other short hands too
Though I do like this idea, I would almost have to say that as time goes on, people will learn what they mean without having to need an automatic translater. However, that would be nice if guild wars supplied a placard that lists the common terms used in the game.
i am segesting an optional filter, yes, so if people dont want it to filter out there calls they dont have to, but, they could add to there personal filter if they wanted, that might be a securaty issue ( there all about that ).