def print_abstract_syntaxes
      # Determine length of longest key to ensure pretty print:
      max_uid = @accepted_abstract_syntaxes.keys.collect{|k| k.length}.max
      puts "Abstract syntaxes which are accepted by this SCP:"
      @accepted_abstract_syntaxes.sort.each do |pair|
        puts "#{pair[0]}#{' '*(max_uid-pair[0].length)} #{pair[1]}"
      end
    end
def print_abstract_syntaxes
      # Determine length of longest key to ensure pretty print:
      max_uid = @accepted_abstract_syntaxes.keys.collect{|k| k.length}.max
      puts "Abstract syntaxes which are accepted by this SCP:"
      @accepted_abstract_syntaxes.sort.each do |pair|
        puts "#{pair[0]}#{' '*(max_uid-pair[0].length)} #{pair[1]}"
      end
    end
Prints the list of accepted abstract syntaxes to the screen.