Go to a page with multiple Atto Create 2 images with no alt text and without "decorative". You will need to switch to html mode and hand write this yourself. Create some paragraphs with low color contrast Open the Accessibility checker (the one that lists warnings) Click on one of the the image linked in the warnings Verify the image button in the toolbar is highlighted and the right image is selected. (Hitting space should make it disappear, as it was selected) Re-open the checker Click on one of the text warnings Make sure the text is selected and hitting space replaces it Repeat this once or twice to make sure that you can use the dialogues multiple times, and across editors.