t / t5100 / rfc2047-info-0004on commit packed_read_raw_ref(): new function, replacing `resolve_packed_ref()` (d13fa1a)
   1Author: Nathaniel Borenstein (םולש ןב ילטפנ)
   2Email: nsb@thumper.bellcore.com
   3Subject: Test of new header generator
   4