Extended maintenance of Ruby versions 1.8.7 and 1.9.2 ended on July 31, 2014. Read more
# File rss/atom.rb, line 193 def validate_duplicate_links(links) link_infos = {} links.each do |link| rel = link.rel || "alternate" next unless rel == "alternate" key = [link.hreflang, link.type] if link_infos.has_key?(key) raise TooMuchTagError.new("link", tag_name) end link_infos[key] = true end end