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root/radiance/ray/src/px/x11image.c
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Comparing ray/src/px/x11image.c (file contents):
Revision 2.37 by greg, Fri Jun 10 12:51:21 1994 UTC vs.
Revision 2.38 by greg, Tue Sep 20 15:48:15 1994 UTC

# Line 276 | Line 276 | char **argv;
276          if (gamstr == NULL)             /* get it from the X server */
277                  gamstr = XGetDefault(thedisplay, "radiance", "gamma");
278          if (gamstr == NULL)             /* get it from the environment */
279 <                gamstr = getenv("GAMMA");
279 >                gamstr = getenv("DISPLAY_GAMMA");
280          if (gamstr != NULL)
281                  gamcor = atof(gamstr);
282                                  /* get best visual for default screen */

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