= d command
        .delete lines
        .n is not supported for xx-xx[n][,b][.s] pattern.

      (1) x[n] pattern

        .delete following 3 lines.

            0000001|A
            d3     |B
            0000003|C
            0000004|D
            0000005|E
            0000006|F
        ===>
            0001000|A
            0005000|E

      (2) xx-xx pattern

        .delete the range of lines.

            0000001|A
            dd     |B
            0000003|C
            0000004|D
            dd     |E
            0000006|F
        ===>
            0001000|A
            0006000|F

      (3) x[n][,b][.s] pattern

        .repeat 3 times to delete 2 lines with intermediate 4 lines left.

            0000001|A
     r1 d1  d3,2.4 |B
        d2  0000003|C
        s1  0000004|D
        s2  0000005|E
        s3  0000006|F
        s4  0000007|G
     r2 d1  0000008|H
        d2  0000009|I
        s1  0000010|J
        s2  0000011|K
        s3  0000012|L
        s4  0000013|M
     r3 d1  0000014|N
        d2  0000015|O
            0000016|P
        ===>
            0001000|A
            0004000|D
            0005000|E
            0006000|F
            0007000|G
            0010000|J
            0011000|K
            0012000|L
            0013000|M
            0016000|P

      (4) xx-xx[,b][.s] pattern

        .repeat in the range to delete 3 lines with intermediate 2 lines left.

            0000001|A
    rr d1   dd,3.2 |B
       d2   0000003|C
       d3   0000004|D
       s1   0000005|E
       s2   0000006|F
    rr d1   0000007|G
       d2   0000008|H
       d3   0000009|I
       s1   0000010|J
       s2   0000011|K
    rr d1   0000012|L
       d2   0000013|M
       d3   0000014|N
       s1   dd     |O
            0000016|P
        ===>
            0001000|A
            0005000|E
            0006000|F
            0010000|J
            0011000|K
            0015000|O