* Add IPA localization forms for letters with caron (e.g. {`ď`, `Ľ`, `ľ`, `ť`} → {`d͏̌`, `L͏̌`, `l͏̌`, `t͏̌`}).
* Add IPA localization form for TRIPLE VERTICAL BAR DELIMITER (`U+2980`).
* Add characters:
  - MUSICAL SYMBOL BREATH MARK (`U+1D112`).
* Refine shape of the following characters:
  - LATIN LETTER DENTAL CLICK (`U+01C0`) ... LATIN LETTER ALVEOLAR CLICK (`U+01C2`).
  - MODIFIER LETTER GLOTTAL STOP (`U+02C0`).
  - MODIFIER LETTER REVERSED GLOTTAL STOP (`U+02C1`).
  - Z NOTATION SCHEMA PROJECTION (`U+2A21`) (#3043).
  - MODIFIER LETTER DENTAL CLICK (`U+10786`) ... MODIFIER LETTER ALVEOLAR CLICK (`U+107B8`).
* Make certain characters slightly narrower under Quasi-Proportional. Affected characters:
  - EXCLAMATION MARK (`U+0021`).
  - APOSTROPHE (`U+0027`).
  - COMMA (`U+002C`).
  - FULL STOP (`U+002E`).
  - COLON (`U+003A`).
  - SEMICOLON (`U+003B`).
  - GRAVE ACCENT (`U+0060`).
  - INVERTED EXCLAMATION MARK (`U+00A1`).
  - ACUTE ACCENT (`U+00B4`).
  - MIDDLE DOT (`U+00B7`).
  - LATIN LETTER RETROFLEX CLICK (`U+01C3`).
  - MODIFIER LETTER PRIME (`U+0289`) ... MODIFIER LETTER REVERSED COMMA (`U+028D`).
  - MODIFIER LETTER VERTICAL LINE (`U+02C8`).
  - MODIFIER LETTER LOW VERTICAL LINE (`U+02CC`).
  - GREEK NUMERAL SIGN (`U+0374`).
  - GREEK LOWER NUMERAL SIGN (`U+0375`).
  - GREEK QUESTION MARK (`U+037E`).
  - GREEK ANO TELEIA (`U+0387`).
  - ARMENIAN EMPHASIS MARK (`U+055B`).
  - ARMENIAN COMMA (`U+055D`).
  - ARMENIAN FULL STOP (`U+0589`).
  - PUNCTUATION SPACE (`U+2008`).
  - LEFT SINGLE QUOTATION MARK (`U+2018`) ... SINGLE HIGH REVERSED-9 QUOTATION MARK (`U+2018`).
  - PRIME (`U+2032`).
  - REVERSED PRIME (`U+2035`).
  - REVERSED SEMICOLON (`U+204F`).
  - TWO DOT PUNCTUATION (`U+205A`).
  - TRICOLON (`U+205D`).
  - VERTICAL FOUR DOTS (`U+205E`).
  - DOT OPERATOR (`U+22C5`).
  - DOTTED FENCE (`U+2999`).
  - WORD SEPARATOR MIDDLE DOT (`U+2E31`) ... TURNED SEMICOLON (`U+2E35`).
  - VERTICAL SIX DOTS (`U+2E3D`).
  - REVERSED COMMA (`U+2E41`).
  - DOUBLE SUSPENSION MARK (`U+2E44`).
  - DOUBLE STACKED COMMA (`U+2E49`).
  - LATIN CAPITAL LETTER SALTILLO (`U+A78B`).
  - LATIN SMALL LETTER SALTILLO (`U+A78C`).
  - LATIN LETTER SINOLOGICAL DOT (`U+A78F`).
  - MODIFIER LETTER RETROFLEX CLICK WITH RETROFLEX HOOK (`U+107B9`).
  - LATIN LETTER RETROFLEX CLICK WITH RETROFLEX HOOK (`U+1DF0A`).
