Method: IsoDoc::Function::References#is_standard

Defined in:
lib/isodoc/function/references.rb

#is_standard(b) ⇒ Object 



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# File 'lib/isodoc/function/references.rb', line 123

def is_standard(b)
  ret = false
  b.xpath(ns("./docidentifier")).each do |id|
    next if id["type"].nil? ||
      %w(metanorma DOI ISSN ISBN).include?(id["type"])
    ret = true
  end
  ret
end