GCForeground | GCBackground, &xgcv);
XSetForeground (FRAME_X_DISPLAY (f), gc, xgcv.background);
XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc,
GCForeground | GCBackground, &xgcv);
XSetForeground (FRAME_X_DISPLAY (f), gc, xgcv.background);
XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc,