In Corel PHOTO-PAINT X4, I created the attached 2-color GIF; Black and White marked as transparent.
I can't open it in PHOTO-PAINT X3 or X4. Corel PHOTO-PAINT shows a black rectangle even after I convert it to RGB; PHOTO-PAINT fills the transparent pixels (white) with solid black and the data is lost.
I've tried:
Results: Solid black with no data in both.
Windows: XP SP3 Suite: CorelDRAW Anniversary Edition (X4 SP2)
...and this applies to "2-Color Transparent Paletted PNG" (one of the 2 colors marked as transparent).