* The Hanja candidate panel no longer loses its bottom row. It was a child of the
  keyboard's own window and clipped to it, so a panel taller than the keyboard was
  cut off — all nine candidates show now.
* A ✕ in the panel's header leaves it without converting.
* The page controls are rounded, and keep their places as the pages turn.
* Known: on a device with an on-screen navigation bar the last row can sit over
  it. The candidates are visible and the number keys still pick them, but that row
  may not take a tap. Being worked on.
