method
trackback_validate
trackback_validate(ignore_unknown_element, tags, uri)
private
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# File lib/rss/trackback.rb, line 17 def trackback_validate(ignore_unknown_element, tags, uri) return if tags.nil? if tags.find {|tag| tag == "about"} and !tags.find {|tag| tag == "ping"} raise MissingTagError.new("#{TRACKBACK_PREFIX}:ping", tag_name) end end