default: (accent=true) x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x accent=false: x ' x ^ x _ x ` x ~ x ¨ x x ´ x ¸ x ˆ x ˇ x ˘ x ˙ x ˚ x ˜ x ˝ x x x x x x ← x → x ↔ x ↼ x ↽ x ⇀ x ⇁ x x x x x x x ⥎ x ⥐