I see this disappearing text and no warning about it on both 0.47, and I just downloaded 0.48.3.1 r9886 and also have disappearing text and no warning. You mention that it "Can be turned on in the Preference dialog : Tools->Text->"Show font substitution warning dialog"" I don't s...

I use Corel to generate artwork for silk-screens of front panels for electronic products. We used to output from Corel .eps files for the fabricator to generator a silk-screen. We stopped doing that when we gained confidence that the .pdf output from Corel was accurate. We recently sent artwork file...