Summary:
Steps to Reproduce:
a.Launch QuarkXPress and create a new Project.
b.Import an image in the project and draw a small box over the picture box so that the edge of picture box and new box overlap each other (refer below screenshot)
c.Apply Axial blend over the box created in step b with first color as white and other one as None.
d.Export the project as PDF
e.Open the PDF file in Preview application and observe
f. It would appear as shown in below screenshot
Solution:
Open the PDF images created from QuarkXPress in Adobe Acrobat Reader or Adobe Acrobat Professional to view the results