Medium: ghostscript

Issue Overview: PS interpreter - check Indexed colour space index NOTE: https://bugs.ghostscript.com/showbug.cgi?id=707990 NOTE: https://cgit.ghostscript.com/cgi-bin/cgit.cgi/ghostpdl.git/commit/?id=85bd9d2f4b792fe67aef22f1a4117457461b8ba6 NOTE:...