 * Add Characters
   - REVERSED SEMICOLON (`U+204F`);
   - REVERSED QUESTION MARK (`U+2E2E`);
   - REVERSED COMMA (`U+2E41`);
   - DOUBLE LOW-REVERSED-9 QUOTATION MARK (`U+2E42`);
 * Add `fourfold-solid-inner` variants for `@` (#1285).
 * Change the layout of control picture subglyphs from horizontal to diagonal (#1286).
