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I have a document from another editor that includes a non-printing character (it goes away when paragraph icon in ribbon is toggled) that I do not recognize:
I don't know how to search for an image, so I searched Google for things like microsoft word non printing characters legend
and found pages like this one, but none showed this unusual symbol that I've never come across before, so it must be obscure. What does the rectangular shaped symbol to the left of the two spaces and paragraph symbols mean?