Hi,

I think I found a bug in the unix-version of povray 3.5:
No matter if povray exited normaly, had an error or if the user aborted the 
rendering, it always returns 0.

Fix:
Delete the calls to exit() in:
 - void POV_Std_Finish_Povray(void)
 - void SVGA_finish_povray(void)
 - void XWIN_finish_povray(void)

I haven't checked if this will cause any problems since it works great for 
me.

Tobias

-- 
2.4.17 kernel/signal.c(1040):
     Note the silly behaviour of SIGCHLD

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