v3.51
-----
  * Changed handling of text-only printers so that the
    ascii_to_ps flag is set to NO

v3.21
-----
  * Fixed problem with SMB printers and location of filtersrcdir

v3.1.1
------

  * Improved support for LAN Manager printers
  * Added support for modified lpd which allows filters on remote printers
  * Added support for n-up printing
