erase-line-x-y

Arguments: stream x1 y1 x2 y2

Erases a line on stream from (x1, y1) to (x2, y2). (Erasing means drawing in the stream's background-color.) stream should be a graphical-stream. The other arguments should be integers. To use position objects rather than individual coordinates, see erase-line.

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Created 2019.8.20.