1. create a mission
2. create description.ext in the mission folder
3. enter the following lines
overviewText="abcde";
onLoadMission="12345";
4. Save your mission to a pbo file. Launch the missinon and both the overview and loading text will display abcde
5. Try writing a long overviewText section and you will notice that upon trying the mission A3 has truncated it despite having lots of room in the description box.