$ fq -d asn1_ber d tc39.ber
   |00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|.{}: tc39.ber (asn1_ber)
   |                                               |                |  error: asn1_ber: U16(end_marker): failed at position 2 (read size 0 seek pos 0): EOF
0x0|23                                             |#               |  class: "universal" (0)
0x0|23                                             |#               |  form: "constructed" (1)
0x0|23                                             |#               |  tag: "bit_string" (0x3)
0x0|   00|                                         | .|             |  length: "indefinite" (0)
   |                                               |                |  constructed[0:0]: