# File /home/matt/rubymail/mail/address.rb, line 159
    def format
      display_name = if @display_name.nil?
		       nil
		     elsif @display_name =~ /^[-\=!#\%&'*+?^`{|}~ ]+$/
		       @display_name
		     else
		       '"' + @display_name.gsub(/["\]/, '\\
) + '"' end local = if (@local !~ /^[-\=!#\%&'*+?^`{|}~\]+$/ || @local =~ /^\/ || @local =~ /\$/ || @local =~ /\/) '"' + @local.gsub(/["\]/, '\\ ) + '"' else @local end domain = if (!@domain.nil? and (@domain !~ /^[-\=!#\%&'*+?^`{|}~\]+$/ || @domain =~ /^\/ || @domain =~ /\$/ || @domain =~ /\/)) then '[' + if @domain =~ /^\(.*)\$/ $1 else @domain end.gsub(/[\\]/, '\\ ) + ']' else @domain end address = if domain.nil? local elsif !display_name.nil? or domain[-1] == ?] '<' + local + '@' + domain + '>' else local + '@' + domain end comments = nil comments = unless @comments.nil? @comments.collect { |c| '(' + c.gsub(/[()\]/, '\\ ) + ')' }.join(' ') end [display_name, address, comments].compact.join(' ') end