Is there any reason that DESELECT related MessageType enums are commented out?

[synecc]

In lastest version:

public enum MessageType : byte
    {
        DataMessage       = 0b0000_0000,
        SelectRequest     = 0b0000_0001,
        SelectResponse    = 0b0000_0010,
        //Deselect_req      = 0b0000_0011,
        //Deselect_rsp      = 0b0000_0100,
        LinkTestRequest   = 0b0000_0101,
        LinkTestResponse  = 0b0000_0110,
        //Reject_req        = 0b0000_0111,
        SeperateRequest   = 0b0000_1001
    }

In previous versions:

enum MessageType : byte {
        DataMessage = 0,	    // 00000000
        SelectRequest = 1,		// 00000001	ReplyExpected
        SelectResponse = 2,		// 00000010
        //Deselect_req = 3,	    // 00000011	ReplyExpected
        //Deselect_rsp = 4,	    // 00000100
        LinkTestRequest = 5,	// 00000101	ReplyExpected
        LinkTestResponse = 6,	// 00000110
        //Reject_req = 7,	    // 00000111
        SeperateRequest = 9	    // 00001001
    }

Is there any specific reason or I could just implement them?

[mkjeff]

coz I don't how to react to this. could you provide the scenario?