Contents of the "proginfo" subdirectory for UnZip 5.3 and later:

  Contents	this file
  CONTRIBS	list of contributors to UnZip
  ZipPorts	Info-ZIP rules and guidelines on contributions to the cause
  defer.in	info about the NEXTBYTE macro and defer/undefer_input functions
  fileinfo.cms  info about the VM/CMS file system, including record formats
  nt.sd         info about support for Windows NT's Security Descriptors (ACLs)
  perform.dos   relative performance of Zip and UnZip with various DOS compilers
  pkbugs        known bugs in PK[UN]ZIP, some triggered by Info-ZIP's archives
