Character additions

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In addition to having encoded complete script blocks in Unicode, I’ve added several characters to other blocks to enable broader text representation.

Devanagari [U+0900 U+A8E0]
ॸ	U+0978	DEVANAGARI LETTER MARWARI DDA	L2/10-475R
꣼	U+A8FC	DEVANAGARI SIGN SIDDHAM	L2/12-123R
ꣽ	U+A8FD	DEVANAGARI JAIN OM	L2/13-056
ꣾ	U+A8FE	DEVANAGARI LETTER AY	L2/15-335
ꣿ	U+A8FF	DEVANAGARI VOWEL SIGN AY	L2/15-335
Devanagari Extended-A [U+11B00]
𑬀	U+11B00	DEVANAGARI HEAD MARK	L2/21-102
𑬁	U+11B01	DEVANAGARI HEAD MARK WITH HEADSTROKE	L2/21-102
𑬂	U+11B02	DEVANAGARI SIGN BHALE	L2/21-102
𑬃	U+11B03	DEVANAGARI SIGN BHALE WITH HOOK	L2/21-102
𑬄	U+11B04	DEVANAGARI SIGN EXTENDED BHALE	L2/21-102
𑬅	U+11B05	DEVANAGARI SIGN EXTENDED BHALE WITH HOOK	L2/21-102
𑬆	U+11B06	DEVANAGARI SIGN WESTERN FIVE-LIKE BHALE	L2/21-102
𑬇	U+11B07	DEVANAGARI SIGN WESTERN NINE-LIKE BHALE	L2/21-102
𑬈	U+11B08	DEVANAGARI SIGN REVERSED NINE-LIKE BHALE	L2/21-102
𑬉	U+11B09	DEVANAGARI SIGN MINDU	L2/21-102
Gujarati [U+0A80]
૰	U+0AF0	GUJARATI ABBREVIATION SIGN	L2/09-330
ૺ	U+0AFA	GUJARATI SIGN LETTER ONE	L2/15-103R
ૻ	U+0AFB	GUJARATI SIGN LETTER TWO	L2/15-103R
ૼ	U+0AFC	GUJARATI SIGN LETTER THREE	L2/15-103R
૽	U+0AFD	GUJARATI SIGN LETTER FOUR	L2/15-103R
૾	U+0AFE	GUJARATI SIGN LETTER FIVE	L2/15-103R
૿	U+0AFF	GUJARATI SIGN LETTER SIX	L2/15-103R
Limbu [U+1900]
ᤝ	U+191D	LIMBU LETTER GYAN	L2/11-008
ᤞ	U+191E	LIMBU LETTER TRA	L2/11-008
Oriya [U+0B00]
୲	U+0B72	ORIYA FRACTION ONE QUARTER	L2/08-199R
୳	U+0B73	ORIYA FRACTION ONE HALF	L2/08-199R
୴	U+0B74	ORIYA FRACTION THREE QUARTERS	L2/08-199R
୵	U+0B75	ORIYA FRACTION ONE SIXTEENTH	L2/08-199R
୶	U+0B76	ORIYA FRACTION ONE EIGHTH	L2/08-199R
୷	U+0B77	ORIYA FRACTION THREE EIGHTHS	L2/08-199R
Syriac [U+0860]
ࡡ	U+0861	SYRIAC LETTER MALAYALAM JJA	L2/15-156
ࡢ	U+0862	SYRIAC LETTER MALAYALAM TTWA	L2/15-156
ࡣ	U+0863	SYRIAC LETTER MALAYALAM DDA	L2/15-156
ࡤ	U+0864	SYRIAC LETTER MALAYALAM DDDA	L2/15-156
ࡥ	U+0865	SYRIAC LETTER MALAYALAM NNA2	L2/15-156
ࡦ	U+0866	SYRIAC LETTER MALAYALAM RRA	L2/15-156
ࡧ	U+0867	SYRIAC LETTER MALAYALAM LLA	L2/15-156
ࡨ	U+0868	SYRIAC LETTER MALAYALAM LLLA	L2/15-156
ࡩ	U+0869	SYRIAC LETTER MALAYALAM SSA	L2/15-156
ࡪ	U+086A	SYRIAC LETTER MALAYALAM SHA	L2/15-156
Vedic [U+1CD0
ᳺ	U+1CFA	VEDIC SIGN DOUBLE ANUSVARA ANTARGOMUKHA	L2/17-117