new_contents: # python script to scan and print SOURCE ERROR comments from an XML file
  
  import sys
  import regex
  
  
  def usage():
      print("Usage: ")
      print("   source_errs.py foo.orc")
  
  
  if __name__ == "__main__":
      if len(sys.argv) < 2:
          print("name of file to scan for SOURCE ERROR comments is required!")
          usage()
          exit(1)
  
      with open(sys.argv[1], 'r') as xmlfile:
          xml_lines = xmlfile.readlines()
  
      # remove newlines since many SOURCE ERROR comments are multi-line
      # replace with unique string so can put line breaks back in multi-line tags
      xml = "XXnewlineXX".join(line.strip() for line in xml_lines)
  
      # print any comment containing SOURCE ERROR, stripping XML comment tags
      for i in regex.findall(r"<!--\s*?SOURCE ERROR.*?-->", xml):
          j = i.replace("XXnewlineXX", "\n").replace("<!-- ", "").replace("-->", "")
          print(j + "\n")
  
subject: add python script to print SOURCE ERROR comments to make errata lists