def store_markerformat(rgbFore, rgbBack, marker, grbit, icvFore, icvBack, miSize)# :nodoc:
    record  = 0x1009     # Record identifier.
    length  = 0x0014     # Number of bytes to follow.
    # rgbFore            # Foreground RGB color.
    # rgbBack            # Background RGB color.
    # marker             # Type of marker.
    # grbit              # Format flags.
    # icvFore            # Color index marker border.
    # icvBack            # Color index marker fill.
    # miSize             # Size of line markers.

    header = [record, length].pack('vv')
    data  = [rgbFore].pack('V')
    data += [rgbBack].pack('V')
    data += [marker].pack('v')
    data += [grbit].pack('v')
    data += [icvFore].pack('v')
    data += [icvBack].pack('v')
    data += [miSize].pack('V')

    append(header, data)
  end
def store_markerformat(rgbFore, rgbBack, marker, grbit, icvFore, icvBack, miSize)# :nodoc:
    record  = 0x1009     # Record identifier.
    length  = 0x0014     # Number of bytes to follow.
    # rgbFore            # Foreground RGB color.
    # rgbBack            # Background RGB color.
    # marker             # Type of marker.
    # grbit              # Format flags.
    # icvFore            # Color index marker border.
    # icvBack            # Color index marker fill.
    # miSize             # Size of line markers.

    header = [record, length].pack('vv')
    data  = [rgbFore].pack('V')
    data += [rgbBack].pack('V')
    data += [marker].pack('v')
    data += [grbit].pack('v')
    data += [icvFore].pack('v')
    data += [icvBack].pack('v')
    data += [miSize].pack('V')

    append(header, data)
  end
Write the MARKERFORMAT chart BIFF record.