indent

# File lib/yaml/baseemitter.rb, line 113
        def indent( mod = nil )
            #p [ self.id, level, mod, :INDENT ]
            if level <= 0
                mod ||= 0
            else
                mod ||= options(:Indent)
                mod += ( level - 1 ) * options(:Indent)
            end
            return " " * mod
                end