Missing codepoints compared to dummy-index's font

[pelson]

The following 69 codepoints exist in the font from @dummy-index font but are absent from xkcd-script.otf (link to where @dummy-index mentions this: #11 (comment)).

Punctuation / symbols (standalone)

Codepoint	Char	Name
U+00A1	¡	INVERTED EXCLAMATION MARK
U+00A8	¨	DIAERESIS
U+00AB	«	LEFT-POINTING DOUBLE ANGLE QUOTATION MARK
U+00AF	¯	MACRON
U+00B0	°	DEGREE SIGN
U+00B7	·	MIDDLE DOT
U+00B8	¸	CEDILLA
U+00BB	»	RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK
U+00BF	¿	INVERTED QUESTION MARK
U+00D7	×	MULTIPLICATION SIGN
U+2010	‐	HYPHEN
U+2036	‶	REVERSED DOUBLE PRIME

Latin ligatures / special letters

Done in #72 and #74.

Codepoint	Char	Name
U+00C6	Æ	LATIN CAPITAL LETTER AE
U+00E6	æ	LATIN SMALL LETTER AE
U+0152	Œ	LATIN CAPITAL LIGATURE OE
U+0153	œ	LATIN SMALL LIGATURE OE
U+017F	ſ	LATIN SMALL LETTER LONG S
U+0237	ȷ	LATIN SMALL LETTER DOTLESS J

Spacing modifier letters (standalone diacritic forms)

Codepoint	Char	Name
U+02BB	ʻ	MODIFIER LETTER TURNED COMMA
U+02BC	ʼ	MODIFIER LETTER APOSTROPHE
U+02C6	ˆ	MODIFIER LETTER CIRCUMFLEX ACCENT
U+02C7	ˇ	CARON
U+02D8	˘	BREVE
U+02D9	˙	DOT ABOVE
U+02DB	˛	OGONEK
U+02DC	˜	SMALL TILDE
U+02DD	˝	DOUBLE ACUTE ACCENT

Combining diacritics (missing)

Codepoint	Name
U+0312	COMBINING TURNED COMMA ABOVE
U+0315	COMBINING COMMA ABOVE RIGHT
U+0326	COMBINING COMMA BELOW
U+0327	COMBINING CEDILLA
U+0328	COMBINING OGONEK
U+0337	COMBINING SHORT SOLIDUS OVERLAY
U+0338	COMBINING LONG SOLIDUS OVERLAY

Precomposed composites (U+01xx block)

Most of these are combinations of base letters we already have; they could potentially be auto-generated via FontForge's buildComposit once the base glyphs and marks are in place.

Codepoint	Char	Name
U+01C4	DŽ	LATIN CAPITAL LETTER DZ WITH CARON
U+01C5	Dž	LATIN CAPITAL LETTER D WITH SMALL LETTER Z WITH CARON
U+01C6	dž	LATIN SMALL LETTER DZ WITH CARON
U+01D5	Ǖ	LATIN CAPITAL LETTER U WITH DIAERESIS AND MACRON
U+01D6	ǖ	LATIN SMALL LETTER U WITH DIAERESIS AND MACRON
U+01D7	Ǘ	LATIN CAPITAL LETTER U WITH DIAERESIS AND ACUTE
U+01D8	ǘ	LATIN SMALL LETTER U WITH DIAERESIS AND ACUTE
U+01D9	Ǚ	LATIN CAPITAL LETTER U WITH DIAERESIS AND CARON
U+01DA	ǚ	LATIN SMALL LETTER U WITH DIAERESIS AND CARON
U+01DB	Ǜ	LATIN CAPITAL LETTER U WITH DIAERESIS AND GRAVE
U+01DC	ǜ	LATIN SMALL LETTER U WITH DIAERESIS AND GRAVE
U+01DE	Ǟ	LATIN CAPITAL LETTER A WITH DIAERESIS AND MACRON
U+01DF	ǟ	LATIN SMALL LETTER A WITH DIAERESIS AND MACRON
U+01E2	Ǣ	LATIN CAPITAL LETTER AE WITH MACRON
U+01E3	ǣ	LATIN SMALL LETTER AE WITH MACRON
U+01E6	Ǧ	LATIN CAPITAL LETTER G WITH CARON
U+01E7	ǧ	LATIN SMALL LETTER G WITH CARON
U+01E8	Ǩ	LATIN CAPITAL LETTER K WITH CARON
U+01E9	ǩ	LATIN SMALL LETTER K WITH CARON
U+01EA	Ǫ	LATIN CAPITAL LETTER O WITH OGONEK
U+01EB	ǫ	LATIN SMALL LETTER O WITH OGONEK
U+01EC	Ǭ	LATIN CAPITAL LETTER O WITH OGONEK AND MACRON
U+01ED	ǭ	LATIN SMALL LETTER O WITH OGONEK AND MACRON
U+01F0	ǰ	LATIN SMALL LETTER J WITH CARON
U+01F1	DZ	LATIN CAPITAL LETTER DZ
U+01F2	Dz	LATIN CAPITAL LETTER D WITH SMALL LETTER Z
U+01F3	dz	LATIN SMALL LETTER DZ
U+01F4	Ǵ	LATIN CAPITAL LETTER G WITH ACUTE
U+01F5	ǵ	LATIN SMALL LETTER G WITH ACUTE
U+01FA	Ǻ	LATIN CAPITAL LETTER A WITH RING ABOVE AND ACUTE
U+01FB	ǻ	LATIN SMALL LETTER A WITH RING ABOVE AND ACUTE
U+01FC	Ǽ	LATIN CAPITAL LETTER AE WITH ACUTE
U+01FD	ǽ	LATIN SMALL LETTER AE WITH ACUTE
U+01FE	Ǿ	LATIN CAPITAL LETTER O WITH STROKE AND ACUTE
U+01FF	ǿ	LATIN SMALL LETTER O WITH STROKE AND ACUTE