The .BLANK command inserts exactly the number of blank lines that
    you specify. It is different from .SKIP, which inserts a multiple
    of the number of blank lines specified in the .SPACING command
    (see .SKIP and .SPACING). The .BLANK command does not work after
    a .PAGE command.

    Format

      .BLANK  [[-]n]

    Abreviated format

      .B  [[-]n]