def CodeRange(code1, code2):
 if (code1 <= nl_code < code2):
  return Alt(RawCodeRange(code1, nl_code), RawNewline, RawCodeRange((nl_code + 1), code2))
 else:
  return RawCodeRange(code1, code2)

def CodeRange ( code1 , code2 ) : if ( code1 <= nl_code < code2 ) : return Alt ( RawCodeRange ( code1 , nl_code ) , RawNewline , RawCodeRange ( ( nl_code + 1 ) , code2 ) ) else : return RawCodeRange ( code1 , code2 )
coderange is an re which matches any character with a code |c| in the range |code1| <= |c| < |code2| .