I will be making WIP (work-in-progress) binaries available from time to
time, in-between beta releases. The first of these, labeled WIP.0525, is
available now from the beta download page. It is a non-SSE2 Win32 EXE.
Nothing else is provided (no DLL's etc); it is intended to be used along
with the files in beta 26.

Windows WIP version 3.7.0.beta.26.WIP.0525
------------------------------------------

Change 4594 on 2008/05/25 by chrisc@x4

  add support for specifying grayscale output via INI file or command-line.

  this is intended to replace the use of hf_gray_16 in global_settings.
  hf_gray_16, if encountered, has no effect on the output type and will
  additionally generate a warning message (as before).

  currently only PNG file support is provided with grayscale output; others
  will be added over time.

  grayscale output may be specified via 'Grayscale_Output=true' as an INI
  option, or '+Fxg' (for output type 'x') as a command-line option. For
  example, '+Fng' for PNG grayscale output.

  caveat: grayscale output implies the maximum bit-depth the format
  supports; for PNG this is 16. it is not valid to specify bits per color
  channel with 'g' (e.g. '+Fng16' is not allowed, and nor for that matter
  is '+Fn16g'). if bits per channel is provided via an INI option, it is
  ignored.

Change 4593 on 2008/05/19 by chrisc@x4

  fix crash with inverse and CSG reported in
    <web.4828b51b6d261ebff3e4f6a20@news.povray.org>.

Change 4592 on 2008/05/19 by chrisc@x4

  fix incorrect flag test which would have resulted in issues with cutaway
  textures and CSG, or objects with double_illuminate set.

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