Well... I deleted them from my very infrequently used Snow Leopard installation and haven't run into any issues... YET. (After all, it's not like they're fonts; they're only dictionaries.)

Edit: What the hey! I'll be the guinea pig and delete them from my 10.5.7 installation too. (Done, and OS X didn't even ask me to authenticate, which gives us some indication of their importance or lack thereof.)

Last edited by artie505; 04/02/10 11:29 PM.
The new Great Equalizer is the SEND button.

In Memory of Harv: Those who can make you believe absurdities can make you commit atrocities. ~Voltaire