Source transparency is "optimized away" in the attached file resulting in a visual defect of printing objects that should not be printed.
Created attachment 5993 [details] text2.asm
Fixed in 10823. Unfortunately the change does introduce a regression in the wtsimdi device which depended on the image code optimization. Contrary to the log fixing the wtsimdi regression will introduce a performance problem for that particular device.
Changing customer bugs that have been resolved more than a year ago to closed.