# File lib/benelux/timeline.rb, line 96
 96:     def ranges(name=nil, tags=Selectable::Tags.new)
 97:       return @ranges if name.nil?
 98:       @ranges.select do |range| 
 99:         ret = name.to_s == range.name.to_s &&
100:         (tags.nil? || range.tags >= tags)
101:         ret
102:       end
103:     end