> Convert the image to RGB mode if it's not already. Select the white
> region by color. In the Layer -> Transparency menu, add an alpha
> channel. In the same menu, set "Color to alpha". This should make the
> white background to transparent.
I selected the white region by colour and in the Layer-> Transparency
menu added an alpha channel. However, the set Colour to Alpha setting
remained greyed out of action. What have I missed, please?
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