12. The computer readable storage medium of claim 11 , wherein the differentiating information pertains to whether messages should be initially represented in an expanded mode or a compacted mode.
12. The computer readable storage medium of claim 11 , wherein the differentiating information pertains to whether messages should be initially represented in an expanded mode or a compacted mode. 13. The computer readable storage medium of claim 12 , wherein the second messages are associated with the expanded mode.