I can think of many reasons. It is for style purposes and who can second-guess the intent of design? It jumps out. Since this is not generally available we do not miss it and cannot conceive what good it is. I take Faraday's position (see below). I was looking at how to partially cover a corner of an image with a caption, but when I shrunk the image the caption covered more and more of the image. I looked online to search and over the years many people have sought to no avail a method for constraining text to container. Mainly, I am doing it for fun and to learn. Remember 'The Mouse and the Lion'? I'm the mouse. Best regards, Pop
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