Method: IsoDoc::PresentationXMLConvert#bracket_if_num

Defined in:
lib/isodoc/presentation_function/docid.rb

#bracket_if_num(num) ⇒ Object 



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# File 'lib/isodoc/presentation_function/docid.rb', line 51

def bracket_if_num(num)
  num.nil? and return nil
  num = to_xml(num.children).sub(/^\[/, "").sub(/\]$/, "")
  /^\d+$/.match?(num) and return "[#{num}]"
  num
end