Important: ghostscript

Issue Overview: PS interpreter - check the type of the Pattern Implementation NOTE: https://bugs.ghostscript.com/showbug.cgi?id=707991 NOTE: https://cgit.ghostscript.com/cgi-bin/cgit.cgi/ghostpdl.git/commit/?id=f49812186baa7d1362880673408a6fbe8719b4f8 NOTE:...