code: def codepointsInNamelist(namFilename, unique_glyphs=False, cache=None):
    
    key = 'charset' if not unique_glyphs else 'ownCharset'
  
    internals_dir = os.path.dirname(os.path.abspath(__file__))
    target = os.path.join(internals_dir, namFilename)
    result = readNamelist(target, unique_glyphs, cache)
    return result[key]
docs: Returns the set of codepoints contained in a given Namelist file.
  
    This is a replacement CodepointsInSubset and implements the "#$ include"
    header format.
  
    Args:
      namFilename: The path to the  Namelist file.
      unique_glyphs: Optional, whether to only include glyphs unique to subset.
    Returns:
      A set containing the glyphs in the subset.