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by bdr 932 days ago
One more to add from the early days: widespread use of  , the character entity for a non-breaking space.

They were used to move text to the right to the left within a container. Or (IIRC) in table cells to make them behave, similar to 1x1 spacer gifs. Some pages had hundreds of nsps. Just kind of a general way to add margin or padding.