ref: bd178b6dc6a6d6a81be05c0a1f7c03b352f833c1 dir: /sys/src/cmd/plot/libplot/rmove.c/
#include "mplot.h" void rmove(double xx, double yy){ e1->copyx += xx; e1->copyy += yy; move(e1->copyx, e1->copyy); }