- Update to v15.1.0
* Changes of version 15.1.0
= Add Characters
~ MODIFIER LETTER YIN DEPARTING TONE MARK (U+02EA);
~ MODIFIER LETTER YANG DEPARTING TONE MARK (U+02EB);
~ MODIFIER LETTER DOUBLE APOSTROPHE (U+02EE);
~ MODIFIER LETTER MIDDLE GRAVE ACCENT (U+02F4);
~ MODIFIER LETTER MIDDLE DOUBLE GRAVE ACCENT (U+02F5);
~ MODIFIER LETTER MIDDLE DOUBLE ACUTE ACCENT (U+02F6);
~ MODIFIER LETTER RAISED COLON (U+02F8);
~ MODIFIER LETTER BEGIN HIGH TONE (U+02F9);
~ MODIFIER LETTER END HIGH TONE (U+02FA);
~ MODIFIER LETTER BEGIN LOW TONE (U+02FB);
~ MODIFIER LETTER END LOW TONE (U+02FC);
~ MODIFIER LETTER SHELF (U+02FD);
~ MODIFIER LETTER OPEN SHELF (U+02FE);
~ MODIFIER LETTER LOW LEFT ARROW (U+02FF);
~ COMBINING LEFT ARROW BELOW (U+20EE);
~ COMBINING RIGHT ARROW BELOW (U+20EF);