Version 3.1  [21-05-2008]

  o  Fixes for compatibility problems with recent versions of GNU m4.
  o  Added support for TXT, RP and SRV records.

Version 3.0.1  [22-11-2006]

  Fixed bugs in in the FORWARD and SLAVE macros, causing it to
  generate bogus output sometimes.

Version 3.0  [20-02-2005]

  One year of testing should be good enough, so releasing 2.99b as 3.0
  with almost no changes. The only one is:

  o  ZONE_OPTIONS macro added, allowing to add custom options to zones.

Version 2.99b  [21-12-2003]

  This version has been almost rewritten from scratch. The syntax
  of configuration files is incompatible with the previous versions,
  please read the README again.

  Most important changes:

  o  Support for IPv6.
  o  Much better configuration of classless reverse delegations.
  o  Better documentation and well-commented example files.
  o  The "chkdom" script is gone, use the DNS Sleuth instead.
  o  Cleaned up names of all macros, the namespaces are now clearly
     defined.

Version 2.3  [27-06-2001]

  o  Global parameters (hostmaster mail address etc.) can be set
     in cf/config now.
  o  Autodetect which M4 should be used.
  o  Fixed bugs in convert script.
  o  Generate $TTL to make new releases of bind happy.

Version 2.2  [11-09-1999]

  o  Corrected localhost records.
  o  Name-server restart command can be overriden (useful for setups
     with multiple named's).
  o  Added `convert' script for easy conversion of zone files to NSC
     domain files.
  o  Serial numbers are now Y2K clean.
  o  Added `chkdel' script for checking of zone delegations.