static JSplitPane jvsplit(Component n, Component s) {
  ret jvsplit(l, r, 0.5);
}

static JSplitPane jvsplit(Component n, Component s, double splitPoint, int delay) {
  // delay now ignored
  ret jvsplit(n, s, splitPoint);
}

static JSplitPane jvsplit(Component n, Component s, double splitPoint) {
  ret setSplitPaneOnFirstShowing(
    swingNu(JSplitPane.class, JSplitPane.VERTICAL_SPLIT, wrap(n), wrap(s)),
    splitPoint);
}