parameters: (h, f)
docstring: PGM (portable graymap)
docstring_summary: PGM (portable graymap)
docstring_tokens: PGM ( portable graymap )
function: def test_pgm(h, f):
      """PGM (portable graymap)"""
      if len(h) >= 3 and \
          h[0] == 'P' and h[1] in '25' and h[2] in ' \t\n\r':
          return 'pgm'
function_tokens: def test_pgm ( h , f ) : if len ( h ) >= 3 and h [ 0 ] == 'P' and h [ 1 ] in '25' and h [ 2 ] in ' \t\n\r' : return 'pgm'