[gs-cvs] rev 8005 - trunk/gs/lib

[alexcher at ghostscript.com]

Author: alexcher
Date: 2007-05-26 06:13:33 -0700 (Sat, 26 May 2007)
New Revision: 8005

Modified:
   trunk/gs/lib/pdfopt.ps
Log:
Dont't enumerate /Threads attribute when it has null value.
Bug 689250


Modified: trunk/gs/lib/pdfopt.ps
===================================================================
--- trunk/gs/lib/pdfopt.ps	2007-05-24 22:56:14 UTC (rev 8004)
+++ trunk/gs/lib/pdfopt.ps	2007-05-26 13:13:33 UTC (rev 8005)
@@ -387,7 +387,7 @@
     dup /OpenAction .knownget { omvisitnopage } if
     Trailer /Encrypt .knownget { omvisit } if
     dup /Threads .knownget {
-      omforce { omvisit } forall
+        omforce dup //null ne { { omvisit } forall } { pop } ifelse
     } if
     dup /AcroForm .knownget { omvisit } if
     pop