Keywords: gildas-prog

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## GR_WHERE

`GR_WHERE(XU,YU,X4,Y4)`

Returns the pen position with the same conventions as `GR_CURS`

    Arguments :
            XU      R*8     X User coordinates         Output
            YU      R*8     Y User coordinates         Output
            X4      R*4     X Plot coordinates         Output
            Y4      R*4     Y Plot coordinates         Output