default: (accent=true) 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 ⥐ accent=false: x ' ' x ^ ^ x _ _ x ` ` x ~ ~ x ¨ ¨ x ¯ ¯ x ´ ´ x ¸ ¸ x ˆ ˆ x ˇ 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 ⥐ ⥐