node_text

# File lib/yaml/baseemitter.rb, line 34
    def node_text( value, block = nil )
      @seq_map = false
      valx = value.dup
      unless block
        block =
          if options(:UseBlock)
            '|'
          elsif not options(:UseFold) and valx =~ /\n[ \t]/ and not valx =~ /#{YAML::ESCAPE_CHAR}/
            '|'
          else
            '>'
          end 
        indt = $&.to_i if block =~ /\d+/
        if valx =~ /(\A\n*[ \t#]|^---\s+)/
          indt = options(:Indent) unless indt.to_i > 0
          block += indt.to_s
        end

        block +=
          if valx =~ /\n\Z\n/
            "+"
          elsif valx =~ /\Z\n/
            ""
          else
            "-"
          end
      end
      block += "\n"
      if block[0] == ""
        esc_skip = ( "\t\n" unless valx =~ /^[ \t]/ ) || ""
        valx = fold( YAML::escape( valx, esc_skip ) + "\"" ).chomp
        self << '"' + indent_text( valx, indt, false )
      else
        if block[0] == >> 
          valx = fold( valx ) 
        end
        #p [block, indt]
        self << block + indent_text( valx, indt )
      end
    end