The GwGlobalName function doesn't match realms with apostrophes in the name (like Kel'Thuzad). This leads to players' names showing up in chat is Name-Realm-Realm.

I fixed this by changing line 245 in the current version on Curse (1.5.0) to
if name:match("%a+%-[%a']+") then

Sorry I don't have an actual patch to give you, I don't have a proper dev environment set up at the moment.

No worries. Thanks for the updated regex!