Checks if there are duplicate links with the same type and hreflang attributes that have an alternate (or empty) rel attribute
Raises a TooMuchTagError if there are duplicates found
# File rss-0.2.9/lib/rss/atom.rb, line 249 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