Ok, I must be doing something wrong.
I have a simple image, white background with some blue text on it.
I want to remove the white; i.e., make it fully transparent.
I tried using the Recolor tool. I changed by Primary color to have a Transparency - Alpha of 0. I right-clicked on the background to set my Secondary to white. I left-clicked (and ctrl-left-clicked) to try and change it. I was expecting the background to change from white to transparent (checkered), but I could only get it to work if I used a non-transparent color.
I also tried the Paint Bucket (fill) tool, but had similar results.
Using the Eraser tool worked, but that's a slow process, and prone to error.
So, what am I doing wrong?
Thank you for any help,
-J