class Nokogiri::XML::DTD

# File lib/nokogiri/xml/dtd.rb, line 17
def each
  attributes.each do |key, value|
    yield([key, value])
  end
end

# File lib/nokogiri/xml/dtd.rb, line 27
def html5_dtd?
  html_dtd? &&
    external_id.nil? &&
    (system_id.nil? || system_id == "about:legacy-compat")
end

# File lib/nokogiri/xml/dtd.rb, line 23
def html_dtd?
  name.casecmp("html").zero?
end

# File lib/nokogiri/xml/dtd.rb, line 13
def keys
  attributes.keys
end