On second test, using "cornell.pov" (it is not using "includes") the output says that
i am using
an old version but the actual version is 3.7.

The output result cornell.png is a pure black image.

Here is the output command pane:

chdir:  /home/hugo/source/povray
command:  +Icornell.pov
Persistence of Vision(tm) Ray Tracer Version 3.8.0-alpha.9606898.unofficial
This is an unofficial version compiled by:
 Dick Balaska - qtpovray edition <dic### [at] buckosoftcom>
 The POV-Ray Team is not responsible for supporting this version.

POV-Ray is based on DKBTrace 2.12 by David K. Buck & Aaron A. Collins
Copyright 1991-2018 Persistence of Vision Raytracer Pty. Ltd.

Primary Persistence of Vision(tm) Ray Tracer Version 3.8.0-alpha.9606898.unoffic
ial Architects/Developers: (Alphabetically)
  Chris Cason         Thorsten Froehlich  Christoph Lipka   

With Assistance From: (Alphabetically)
  Nicolas Calimet     Jerome Grimbert     James Holsenback    Christoph Hormann 
  Nathan Kopp         Juha Nieminen       William F. Pokorny

Past Contributors: (Alphabetically)
  Steve Anger         Eric Barish         Dieter Bayer        David K. Buck     
  Nicolas Calimet     Chris Cason         Aaron A. Collins    Chris Dailey      
  Steve Demlow        Andreas Dilger      Alexander Enzmann   Dan Farmer        
  Thorsten Froehlich  Mark Gordon         Jerome Grimbert     James Holsenback  
  Christoph Hormann   Mike Hough          Chris Huff          Kari Kivisalo     
  Nathan Kopp         Lutz Kretzschmar    Christoph Lipka     Jochen Lippert    
  Pascal Massimino    Jim McElhiney       Douglas Muir        Juha Nieminen     
  Ron Parker          William F. Pokorny  Bill Pulver         Eduard Schwan     
  Wlodzimierz Skiba   Robert Skinner      Yvo Smellenbergh    Zsolt Szalavari   
  Scott Taylor        Massimo Valentini   Timothy Wegner      Drew Wells        
  Chris Young       

Other contributors are listed in the documentation.

Support libraries used by POV-Ray:
  ZLib 1.2.8, Copyright 1995-2012 Jean-loup Gailly and Mark Adler
  LibPNG 1.2.54, Copyright 1998-2012 Glenn Randers-Pehrson
  LibJPEG 8, Copyright 1991-2016 Thomas G. Lane, Guido Vollbeding
  LibTIFF 4.0.6, Copyright 1988-1997 Sam Leffler, 1991-1997 SGI
  Boost 1.58, http://www.boost.org/
  OpenEXR 2.2.0 and IlmBase 2.2.0, Copyright (c) 2002-2011 Industrial Light &
 Magic.

Parser Options
  Input file: cornell.pov
  Remove bounds........On 
  Split unions.........Off
  Library paths:
    /usr/share/qtpovray-3.8/include
  Clock value:    0,000  (Animation off)
Image Output Options
  Image resolution.....800 by 600 (rows 1 to 600, columns 1 to 800).
  Output file..........cornell.png, 24 bpp PNG
  Dithering............Off
  Graphic display......On  (gamma: sRGB)
  Mosaic preview.......Off
  Continued trace......Off
Information Output Options
  All Streams to console..........On 
  Debug Stream to console.........On 
  Fatal Stream to console.........On 
  Render Stream to console........On 
  Statistics Stream to console....On 
  Warning Stream to console.......On 
Parse Warning: The scene finished parsing with a language version set to v3.1 or
earlier. Full backward compatibility with scenes requiring support for bugs in POV-Ray
version v3.1 or earlier is not guaranteed. Please use POV-Ray v3.5 or earlier if your
scene depends on rendering defects caused by these bugs.
----------------------------------------------------------------------------
Parser Statistics
----------------------------------------------------------------------------
Finite Objects:           31
Infinite Objects:          0
Light Sources:             9
Total:                    40
----------------------------------------------------------------------------
Parser Time
  Parse Time:       0 hours  0 minutes  0 seconds (0.001 seconds)
              using 1 thread(s) with 0.-01 CPU-seconds total
  Bounding Time:    0 hours  0 minutes  0 seconds (0.000 seconds)
              using 1 thread(s) with 0.-01 CPU-seconds total
----------------------------------------------------------------------------
Render Options
  Quality:  9
  Bounding boxes.......On   Bounding threshold: 3
  Antialiasing.........Off
----------------------------------------------------------------------------
Render Statistics
Image Resolution 800 x 600
----------------------------------------------------------------------------
Pixels:           480000   Samples:               0   Smpls/Pxl: 0,00
Rays:             480000   Saved:                 0   Max Level: 1/5
----------------------------------------------------------------------------
Ray->Shape Intersection          Tests       Succeeded  Percentage
----------------------------------------------------------------------------
Box                               2031            2031    100,00
Triangle                        832055          443671     53,32
Bounding Box                   7826984         2598210     33,20
----------------------------------------------------------------------------
----------------------------------------------------------------------------
----------------------------------------------------------------------------
Render Time:
  Photon Time:      No photons
  Radiosity Time:   No radiosity
  Trace Time:       0 hours  0 minutes  1 seconds (1.827 seconds)
              using 4 thread(s) with 0.-04 CPU-seconds total
POV-Ray finished






On Tue, 31 Jul 2018 07:03:38 -0300
hugo giulietti <hug### [at] gmailcom> wrote:

> Hello,
> 
> I installed qtpovray in my lubuntu 16.04 using the ppa for automatic updates.
> After my first test using "optics.pov" i got this parse error from the povray's
output:
> 
> "Parse Error: Macros require #version 3.1 or later but #version 3.00 is set.
> at File: colors.inc Line: 167 Col: 2"
> 
> Very rare message. The colors.inc file is standard; i have not touched in any way. I
don't know how to fix this because the #version directive was not modified at all.
> 
> -- 
> hugo giulietti <hug### [at] gmailcom>

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