to_xml(options={}) public

Returns an xml formatted representation of the Errors hash. 

  p.errors.add(:name, "can't be blank")
  p.errors.add(:name, "must be specified")
  p.errors.to_xml
  # =>
  #  <?xml version=\"1.0\" encoding=\"UTF-8\"?>
  #  <errors>
  #    <error>name can't be blank</error>
  #    <error>name must be specified</error>
  #  </errors>
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