class Prawn::Table::Cells

def method_missing(id, *args, &block)


table.cells.row(3..6).background_color = 'cc0000'

Supports setting arbitrary properties on a group of cells. 
def method_missing(id, *args, &block)
  if id.to_s =~ /=\z/
    each { |c| c.send(id, *args, &block) if c.respond_to?(id) }
  else
    super
  end
end