Change "Object say, text" to "Object: text" like it used to be. The former is just bad english.

indra/newview/llviewermessage.cpp

@@ -4007,7 +4007,7 @@ void process_chat_from_simulator(LLMessageSystem *msg, void **user_data)
 				break;
 			default:
 				LL_WARNS("Messaging") << "Unknown type " << chat.mChatType << " in chat!" << LL_ENDL;
-				verb = " say, ";
+				verb = ": ";
 				break;
 			}