Add `UCG` library to Odin compiler

src/ucg/ucg.c

@@ -0,0 +1,686 @@
+/*
+ * SPDX-FileCopyrightText: (c) 2024 Feoramund
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+
+//
+// NOTE(Feoramund): This is my UCG library, adapted for use within the Odin compiler.
+// Most of the comments have been let alone and may not strictly apply anymore.
+//
+// 1. The UCG allocator interface was replaced by gbAllocator.
+// 2. The UCG UTF-8 decoder was replaced with the one already in the compiler.
+// 3. Non-essential code was stripped.
+// 4. Some types were changed for compatibility.
+//
+
+
+/* This is the data that is allocated when an allocator is passed to
+ * ucg_decode_grapheme_clusters. */
+typedef struct {
+	i32 byte_index;
+	i32 rune_index;
+	i32 width;
+} ucg_grapheme;
+
+
+/* #include "ucg.h" */
+#include "ucg_tables.h"
+
+#define UCG_TABLE_LEN(t) (sizeof(t) / sizeof(int32_t))
+
+#define ZERO_WIDTH_SPACE      0x200B
+#define ZERO_WIDTH_NON_JOINER 0x200C
+#define ZERO_WIDTH_JOINER     0x200D
+#define WORD_JOINER           0x2060
+
+int ucg_binary_search(int32_t value, const int32_t* table, int length, int stride) {
+	GB_ASSERT(table != NULL);
+	GB_ASSERT(length > 0);
+	GB_ASSERT(stride > 0);
+
+	int n = length;
+	int t = 0;
+	for (/**/; n > 1; /**/) {
+		int m = n / 2;
+		int p = t + m * stride;
+		if (value >= table[p]) {
+			t = p;
+			n = n - m;
+		} else {
+			n = m;
+		}
+	}
+	if (n != 0 && value >= table[t]) {
+		return t;
+	}
+	return -1;
+}
+
+//
+// The procedures below are accurate as of Unicode 15.1.0.
+//
+
+bool ucg_is_control(int32_t r) {
+	if (r <= 0x1F || (0x7F <= r && r <= 0x9F)) {
+		return true;
+	}
+	return false;
+}
+
+// Emoji_Modifier
+bool ucg_is_emoji_modifier(int32_t r) {
+	return 0x1F3FB <= r && r <= 0x1F3FF;
+}
+
+// Regional_Indicator
+bool ucg_is_regional_indicator(int32_t r) {
+	return 0x1F1E6 <= r && r <= 0x1F1FF;
+}
+
+// General_Category=Enclosing_Mark
+bool ucg_is_enclosing_mark(int32_t r) {
+	switch (r) {
+	case 0x0488:
+	case 0x0489:
+	case 0x1ABE:
+		return true;
+	}
+
+	if (0x20DD <= r && r <= 0x20E0) { return true; }
+	if (0x20E2 <= r && r <= 0x20E4) { return true; }
+	if (0xA670 <= r && r <= 0xA672) { return true; }
+
+	return false;
+}
+
+// Prepended_Concatenation_Mark
+bool ucg_is_prepended_concatenation_mark(int32_t r) {
+	switch (r) {
+	case 0x006DD:
+	case 0x0070F:
+	case 0x008E2:
+	case 0x110BD:
+	case 0x110CD:
+		return true;
+	}
+
+	if (0x00600 <= r && r <= 0x00605) { return true; }
+	if (0x00890 <= r && r <= 0x00891) { return true; }
+
+	return false;
+}
+
+// General_Category=Spacing_Mark
+bool ucg_is_spacing_mark(int32_t r) {
+	intptr_t p = ucg_binary_search(r, ucg_spacing_mark_ranges, UCG_TABLE_LEN(ucg_spacing_mark_ranges)/2, 2);
+	if (p >= 0 && ucg_spacing_mark_ranges[p] <= r && r <= ucg_spacing_mark_ranges[p+1]) {
+		return true;
+	}
+	return false;
+}
+
+// General_Category=Nonspacing_Mark
+bool ucg_is_nonspacing_mark(int32_t r) {
+	intptr_t p = ucg_binary_search(r, ucg_nonspacing_mark_ranges, UCG_TABLE_LEN(ucg_nonspacing_mark_ranges)/2, 2);
+	if (p >= 0 && ucg_nonspacing_mark_ranges[p] <= r && r <= ucg_nonspacing_mark_ranges[p+1]) {
+		return true;
+	}
+	return false;
+}
+
+// Extended_Pictographic
+bool ucg_is_emoji_extended_pictographic(int32_t r) {
+	intptr_t p = ucg_binary_search(r, ucg_emoji_extended_pictographic_ranges, UCG_TABLE_LEN(ucg_emoji_extended_pictographic_ranges)/2, 2);
+	if (p >= 0 && ucg_emoji_extended_pictographic_ranges[p] <= r && r <= ucg_emoji_extended_pictographic_ranges[p+1]) {
+		return true;
+	}
+	return false;
+}
+
+// Grapheme_Extend
+bool ucg_is_grapheme_extend(int32_t r) {
+	intptr_t p = ucg_binary_search(r, ucg_grapheme_extend_ranges, UCG_TABLE_LEN(ucg_grapheme_extend_ranges)/2, 2);
+	if (p >= 0 && ucg_grapheme_extend_ranges[p] <= r && r <= ucg_grapheme_extend_ranges[p+1]) {
+		return true;
+	}
+	return false;
+}
+
+
+// Hangul_Syllable_Type=Leading_Jamo
+bool ucg_is_hangul_syllable_leading(int32_t r) {
+	return (0x1100 <= r && r <= 0x115F) || (0xA960 <= r && r <= 0xA97C);
+}
+
+// Hangul_Syllable_Type=Vowel_Jamo
+bool ucg_is_hangul_syllable_vowel(int32_t r) {
+	return (0x1160 <= r && r <= 0x11A7) || (0xD7B0 <= r && r <= 0xD7C6);
+}
+
+// Hangul_Syllable_Type=Trailing_Jamo
+bool ucg_is_hangul_syllable_trailing(int32_t r) {
+	return (0x11A8 <= r && r <= 0x11FF) || (0xD7CB <= r && r <= 0xD7FB);
+}
+
+// Hangul_Syllable_Type=LV_Syllable
+bool ucg_is_hangul_syllable_lv(int32_t r) {
+	intptr_t p = ucg_binary_search(r, ucg_hangul_syllable_lv_singlets, UCG_TABLE_LEN(ucg_hangul_syllable_lv_singlets), 1);
+	if (p >= 0 && r == ucg_hangul_syllable_lv_singlets[p]) {
+		return true;
+	}
+	return false;
+}
+
+// Hangul_Syllable_Type=LVT_Syllable
+bool ucg_is_hangul_syllable_lvt(int32_t r) {
+	intptr_t p = ucg_binary_search(r, ucg_hangul_syllable_lvt_ranges, UCG_TABLE_LEN(ucg_hangul_syllable_lvt_ranges)/2, 2);
+	if (p >= 0 && ucg_hangul_syllable_lvt_ranges[p] <= r && r <= ucg_hangul_syllable_lvt_ranges[p+1]) {
+		return true;
+	}
+	return false;
+}
+
+
+// Indic_Syllabic_Category=Consonant_Preceding_Repha
+bool ucg_is_indic_consonant_preceding_repha(int32_t r) {
+	switch (r) {
+	case 0x00D4E:
+	case 0x11941:
+	case 0x11D46:
+	case 0x11F02:
+		return true;
+	}
+	return false;
+}
+
+// Indic_Syllabic_Category=Consonant_Prefixed
+bool ucg_is_indic_consonant_prefixed(int32_t r) {
+	switch (r) {
+	case 0x1193F:
+	case 0x11A3A:
+		return true;
+	}
+
+	if (0x111C2 <= r && r <= 0x111C3) { return true; }
+	if (0x11A84 <= r && r <= 0x11A89) { return true; }
+
+	return false;
+}
+
+// Indic_Conjunct_Break=Linker
+bool ucg_is_indic_conjunct_break_linker(int32_t r) {
+	switch (r) {
+	case 0x094D:
+	case 0x09CD:
+	case 0x0ACD:
+	case 0x0B4D:
+	case 0x0C4D:
+	case 0x0D4D:
+		return true;
+	}
+	return false;
+}
+
+// Indic_Conjunct_Break=Consonant
+bool ucg_is_indic_conjunct_break_consonant(int32_t r) {
+	intptr_t p = ucg_binary_search(r, ucg_indic_conjunct_break_consonant_ranges, UCG_TABLE_LEN(ucg_indic_conjunct_break_consonant_ranges)/2, 2);
+	if (p >= 0 && ucg_indic_conjunct_break_consonant_ranges[p] <= r && r <= ucg_indic_conjunct_break_consonant_ranges[p+1]) {
+		return true;
+	}
+	return false;
+}
+
+// Indic_Conjunct_Break=Extend
+bool ucg_is_indic_conjunct_break_extend(int32_t r) {
+	intptr_t p = ucg_binary_search(r, ucg_indic_conjunct_break_extend_ranges, UCG_TABLE_LEN(ucg_indic_conjunct_break_extend_ranges)/2, 2);
+	if (p >= 0 && ucg_indic_conjunct_break_extend_ranges[p] <= r && r <= ucg_indic_conjunct_break_extend_ranges[p+1]) {
+		return true;
+	}
+	return false;
+}
+
+
+/*
+```
+Indic_Syllabic_Category = Consonant_Preceding_Repha, or
+Indic_Syllabic_Category = Consonant_Prefixed, or
+Prepended_Concatenation_Mark = Yes
+```
+*/
+bool ucg_is_gcb_prepend_class(int32_t r) {
+	return ucg_is_indic_consonant_preceding_repha(r) || ucg_is_indic_consonant_prefixed(r) || ucg_is_prepended_concatenation_mark(r);
+}
+
+/*
+```
+Grapheme_Extend = Yes, or
+Emoji_Modifier = Yes
+
+This includes:
+General_Category = Nonspacing_Mark
+General_Category = Enclosing_Mark
+U+200C ZERO WIDTH NON-JOINER
+
+plus a few General_Category = Spacing_Mark needed for canonical equivalence.
+```
+*/
+bool ucg_is_gcb_extend_class(int32_t r) {
+	return ucg_is_grapheme_extend(r) || ucg_is_emoji_modifier(r);
+}
+
+// Return values:
+//
+// - 2 if East_Asian_Width=F or W, or
+// - 0 if non-printable / zero-width, or
+// - 1 in all other cases.
+//
+int ucg_normalized_east_asian_width(int32_t r) {
+	if (ucg_is_control(r)) {
+		return 0;
+	} else if (r <= 0x10FF) {
+		// Easy early out for low runes.
+		return 1;
+	}
+
+	switch (r) {
+	// This is a different interpretation of the BOM which occurs in the middle of text.
+	case 0xFEFF: /* ZERO_WIDTH_NO_BREAK_SPACE */
+	case ZERO_WIDTH_SPACE:
+	case ZERO_WIDTH_NON_JOINER:
+	case ZERO_WIDTH_JOINER:
+	case WORD_JOINER:
+		return 0;
+	}
+
+	intptr_t p = ucg_binary_search(r, ucg_normalized_east_asian_width_ranges, UCG_TABLE_LEN(ucg_normalized_east_asian_width_ranges)/3, 3);
+	if (p >= 0 && ucg_normalized_east_asian_width_ranges[p] <= r && r <= ucg_normalized_east_asian_width_ranges[p+1]) {
+		return (int)ucg_normalized_east_asian_width_ranges[p+2];
+	}
+	return 1;
+}
+
+//
+// End of Unicode 15.1.0 block.
+//
+
+enum grapheme_cluster_sequence {
+	None,
+	Indic,
+	Emoji,
+	Regional,
+};
+
+typedef struct {
+	ucg_grapheme* graphemes;
+	i32 rune_count;
+	i32 grapheme_count;
+	i32 width;
+
+	int32_t last_rune;
+	bool last_rune_breaks_forward;
+
+	i32 last_width;
+	i32 last_grapheme_count;
+
+	bool bypass_next_rune;
+
+	int regional_indicator_counter;
+
+	enum grapheme_cluster_sequence current_sequence;
+	bool continue_sequence;
+} ucg_decoder_state;
+
+
+void _ucg_decode_grapheme_clusters_deferred_step(
+	gbAllocator allocator,
+	ucg_decoder_state* state,
+	i32 byte_index,
+	int32_t this_rune
+) {
+	// "Break at the start and end of text, unless the text is empty."
+	//
+	// GB1: sot  ÷  Any
+	// GB2: Any  ÷  eot
+	if (state->rune_count == 0 && state->grapheme_count == 0) {
+		state->grapheme_count += 1;
+	}
+
+	if (state->grapheme_count > state->last_grapheme_count) {
+		state->width += ucg_normalized_east_asian_width(this_rune);
+
+		/* if (allocator != NULL) { */
+			state->graphemes = (ucg_grapheme*)gb_resize(allocator,
+				state->graphemes,
+				sizeof(ucg_grapheme) * (state->grapheme_count),
+				sizeof(ucg_grapheme) * (1 + state->grapheme_count));
+
+			ucg_grapheme append = {
+				byte_index,
+				state->rune_count,
+				state->width - state->last_width,
+			};
+
+			state->graphemes[state->grapheme_count - 1] = append;
+		/* } */
+
+		state->last_grapheme_count = state->grapheme_count;
+		state->last_width = state->width;
+	}
+
+	state->last_rune = this_rune;
+	state->rune_count += 1;
+
+	if (!state->continue_sequence) {
+		state->current_sequence = None;
+		state->regional_indicator_counter = 0;
+	}
+	state->continue_sequence = false;
+}
+
+int ucg_decode_grapheme_clusters(
+	gbAllocator allocator,
+	const uint8_t* str,
+	int str_len,
+
+	ucg_grapheme** out_graphemes,
+	i32* out_rune_count,
+	i32* out_grapheme_count,
+	i32* out_width
+) {
+	// The following procedure implements text segmentation by breaking on
+	// Grapheme Cluster Boundaries[1], using the values[2] and rules[3] from
+	// the Unicode® Standard Annex #29, entitled:
+	//
+	// UNICODE TEXT SEGMENTATION
+	//
+	// Version:  Unicode 15.1.0
+	// Date:     2023-08-16
+	// Revision: 43
+	//
+	// This procedure is conformant[4] to UAX29-C1-1, otherwise known as the
+	// extended, non-legacy ruleset.
+	//
+	// Please see the references for more information.
+	//
+	//
+	// [1]: https://www.unicode.org/reports/tr29/#Grapheme_Cluster_Boundaries
+	// [2]: https://www.unicode.org/reports/tr29/#Default_Grapheme_Cluster_Table
+	// [3]: https://www.unicode.org/reports/tr29/#Grapheme_Cluster_Boundary_Rules
+	// [4]: https://www.unicode.org/reports/tr29/#Conformance
+
+	// Additionally, this procedure takes into account Standard Annex #11,
+	// in order to estimate how visually wide the string will appear on a
+	// monospaced display. This can only ever be a rough guess, as this tends
+	// to be an implementation detail relating to which fonts are being used,
+	// how codepoints are interpreted and drawn, if codepoint sequences are
+	// interpreted correctly, and et cetera.
+	//
+	// For example, a program may not properly interpret an emoji modifier
+	// sequence and print the component glyphs instead of one whole glyph.
+	//
+	// See here for more information: https://www.unicode.org/reports/tr11/
+	//
+	// NOTE: There is no explicit mention of what to do with zero-width spaces
+	// as far as grapheme cluster segmentation goes, therefore this
+	// implementation may count and return graphemes with a `width` of zero.
+	//
+	// Treat them as any other space.
+
+	ucg_decoder_state state = {0};
+
+#define UCG_DEFERRED_DECODE_STEP() (_ucg_decode_grapheme_clusters_deferred_step(allocator, &state, byte_index, this_rune))
+
+	for (i32 byte_index = 0, bytes_advanced = 0; byte_index < str_len; byte_index += bytes_advanced) {
+		int32_t this_rune = GB_RUNE_INVALID;
+		bytes_advanced = (i32)(utf8_decode(str+byte_index, str_len-byte_index, &this_rune));
+		if (this_rune == GB_RUNE_INVALID || bytes_advanced == 0) {
+			// There was a Unicode parsing error; bail out.
+			if (out_graphemes != NULL)      { *out_graphemes = state.graphemes; }
+			if (out_rune_count != NULL)     { *out_rune_count = state.rune_count; }
+			if (out_grapheme_count != NULL) { *out_grapheme_count = state.grapheme_count; }
+			if (out_width != NULL)          { *out_width = state.width; }
+
+			// Return an error code.
+			return -1;
+		}
+
+		// "Do not break between a CR and LF. Otherwise, break before and after controls."
+		//
+		// GB3:                 CR   ×   LF
+		// GB4: (Control | CR | LF)  ÷
+		// GB5:                      ÷  (Control | CR | LF)
+		if (this_rune == '\n' && state.last_rune == '\r') {
+			state.last_rune_breaks_forward = false;
+			state.bypass_next_rune = false;
+			UCG_DEFERRED_DECODE_STEP(); continue;
+		}
+
+		if (ucg_is_control(this_rune)) {
+			state.grapheme_count += 1;
+			state.last_rune_breaks_forward = true;
+			state.bypass_next_rune = true;
+			UCG_DEFERRED_DECODE_STEP(); continue;
+		}
+
+		// (This check is for rules that work forwards, instead of backwards.)
+		if (state.bypass_next_rune) {
+			if (state.last_rune_breaks_forward) {
+				state.grapheme_count += 1;
+				state.last_rune_breaks_forward = false;
+			}
+
+			state.bypass_next_rune = false;
+			UCG_DEFERRED_DECODE_STEP(); continue;
+		}
+
+		// (Optimization 1: Prevent low runes from proceeding further.)
+		//
+		//  * 0xA9 and 0xAE are in the Extended_Pictographic range,
+		//    which is checked later in GB11.
+		if (this_rune != 0xA9 && this_rune != 0xAE && this_rune <= 0x2FF) {
+			state.grapheme_count += 1;
+			UCG_DEFERRED_DECODE_STEP(); continue;
+		}
+
+		// (Optimization 2: Check if the rune is in the Hangul space before getting specific.)
+		if (0x1100 <= this_rune && this_rune <= 0xD7FB) {
+			// "Do not break Hangul syllable sequences."
+			//
+			// GB6:        L   ×  (L | V | LV | LVT)
+			// GB7:  (LV | V)  ×  (V | T)
+			// GB8: (LVT | T)  ×   T
+			if (ucg_is_hangul_syllable_leading(this_rune) ||
+			    ucg_is_hangul_syllable_lv(this_rune)      ||
+			    ucg_is_hangul_syllable_lvt(this_rune))
+			{
+				if (!ucg_is_hangul_syllable_leading(state.last_rune)) {
+					state.grapheme_count += 1;
+				}
+				UCG_DEFERRED_DECODE_STEP(); continue;
+			}
+
+			if (ucg_is_hangul_syllable_vowel(this_rune)) {
+				if (ucg_is_hangul_syllable_leading(state.last_rune) ||
+				    ucg_is_hangul_syllable_vowel(state.last_rune)   ||
+				    ucg_is_hangul_syllable_lv(state.last_rune))
+				{
+					UCG_DEFERRED_DECODE_STEP(); continue;
+				}
+				state.grapheme_count += 1;
+				UCG_DEFERRED_DECODE_STEP(); continue;
+			}
+
+			if (ucg_is_hangul_syllable_trailing(this_rune)) {
+				if (ucg_is_hangul_syllable_trailing(state.last_rune) ||
+				    ucg_is_hangul_syllable_lvt(state.last_rune)      ||
+				    ucg_is_hangul_syllable_lv(state.last_rune)       ||
+				    ucg_is_hangul_syllable_vowel(state.last_rune))
+				{
+					UCG_DEFERRED_DECODE_STEP(); continue;
+				}
+				state.grapheme_count += 1;
+				UCG_DEFERRED_DECODE_STEP(); continue;
+			}
+		}
+
+		// "Do not break before extending characters or ZWJ."
+		//
+		// GB9:         × (Extend | ZWJ)
+		if (this_rune == ZERO_WIDTH_JOINER) {
+			state.continue_sequence = true;
+			UCG_DEFERRED_DECODE_STEP(); continue;
+		}
+
+		if (ucg_is_gcb_extend_class(this_rune)) {
+			// (Support for GB9c.)
+			if (state.current_sequence == Indic) {
+				if (ucg_is_indic_conjunct_break_extend(this_rune)          && (
+				    ucg_is_indic_conjunct_break_linker(state.last_rune)    ||
+				    ucg_is_indic_conjunct_break_consonant(state.last_rune)    ))
+				{
+					state.continue_sequence = true;
+					UCG_DEFERRED_DECODE_STEP(); continue;
+				}
+
+				if (ucg_is_indic_conjunct_break_linker(this_rune)          && (
+				    ucg_is_indic_conjunct_break_linker(state.last_rune)    ||
+				    ucg_is_indic_conjunct_break_extend(state.last_rune)    ||
+				    ucg_is_indic_conjunct_break_consonant(state.last_rune)    ))
+				{
+					state.continue_sequence = true;
+					UCG_DEFERRED_DECODE_STEP(); continue;
+				}
+
+				UCG_DEFERRED_DECODE_STEP(); continue;
+			}
+
+			// (Support for GB11.)
+			if (state.current_sequence == Emoji                     && (
+			    ucg_is_gcb_extend_class(state.last_rune)            ||
+			    ucg_is_emoji_extended_pictographic(state.last_rune)    ))
+			{
+				state.continue_sequence = true;
+			}
+
+			UCG_DEFERRED_DECODE_STEP(); continue;
+		}
+
+		// _The GB9a and GB9b rules only apply to extended grapheme clusters:_
+		// "Do not break before SpacingMarks, or after Prepend characters."
+		//
+		// GB9a:          ×  SpacingMark
+		// GB9b: Prepend  ×
+		if (ucg_is_spacing_mark(this_rune)) {
+			UCG_DEFERRED_DECODE_STEP(); continue;
+		}
+
+		if (ucg_is_gcb_prepend_class(this_rune)) {
+			state.grapheme_count += 1;
+			state.bypass_next_rune = true;
+			UCG_DEFERRED_DECODE_STEP(); continue;
+		}
+
+		// _The GB9c rule only applies to extended grapheme clusters:_
+		// "Do not break within certain combinations with Indic_Conjunct_Break (InCB)=Linker."
+		//
+		// GB9c: \p{InCB=Consonant} [ \p{InCB=Extend} \p{InCB=Linker} ]* \p{InCB=Linker} [ \p{InCB=Extend} \p{InCB=Linker} ]*  ×  \p{InCB=Consonant}
+		if (ucg_is_indic_conjunct_break_consonant(this_rune)) {
+			if (state.current_sequence == Indic) {
+				if (state.last_rune == ZERO_WIDTH_JOINER            ||
+				    ucg_is_indic_conjunct_break_linker(state.last_rune))
+				{
+					state.continue_sequence = true;
+				} else {
+					state.grapheme_count += 1;
+				}
+			} else {
+				state.grapheme_count += 1;
+				state.current_sequence = Indic;
+				state.continue_sequence = true;
+			}
+			UCG_DEFERRED_DECODE_STEP(); continue;
+		}
+
+		if (ucg_is_indic_conjunct_break_extend(this_rune)) {
+			if (state.current_sequence == Indic) {
+				if (ucg_is_indic_conjunct_break_consonant(state.last_rune) ||
+				    ucg_is_indic_conjunct_break_linker(state.last_rune))
+				{
+					state.continue_sequence = true;
+				} else {
+					state.grapheme_count += 1;
+				}
+			}
+			UCG_DEFERRED_DECODE_STEP(); continue;
+		}
+
+		if (ucg_is_indic_conjunct_break_linker(this_rune)) {
+			if (state.current_sequence == Indic) {
+				if (ucg_is_indic_conjunct_break_extend(state.last_rune) ||
+				    ucg_is_indic_conjunct_break_linker(state.last_rune))
+				{
+					state.continue_sequence = true;
+				} else {
+					state.grapheme_count += 1;
+				}
+			}
+			UCG_DEFERRED_DECODE_STEP(); continue;
+		}
+
+		//
+		// (Curiously, there is no GB10.)
+		//
+
+		// "Do not break within emoji modifier sequences or emoji zwj sequences."
+		//
+		// GB11: \p{Extended_Pictographic} Extend* ZWJ  ×  \p{Extended_Pictographic}
+		if (ucg_is_emoji_extended_pictographic(this_rune)) {
+			if (state.current_sequence != Emoji || state.last_rune != ZERO_WIDTH_JOINER) {
+				state.grapheme_count += 1;
+			}
+			state.current_sequence = Emoji;
+			state.continue_sequence = true;
+			UCG_DEFERRED_DECODE_STEP(); continue;
+		}
+
+		// "Do not break within emoji flag sequences.
+		//  That is, do not break between regional indicator (RI) symbols
+		//  if there is an odd number of RI characters before the break point."
+		//
+		// GB12:   sot (RI RI)* RI  ×  RI
+		// GB13: [^RI] (RI RI)* RI  ×  RI
+		if (ucg_is_regional_indicator(this_rune)) {
+			if ((state.regional_indicator_counter & 1) == 0) {
+				state.grapheme_count += 1;
+			}
+
+			state.current_sequence = Regional;
+			state.continue_sequence = true;
+			state.regional_indicator_counter += 1;
+
+			UCG_DEFERRED_DECODE_STEP(); continue;
+		}
+
+		// "Otherwise, break everywhere."
+		//
+		// GB999: Any ÷ Any
+		state.grapheme_count += 1;
+		UCG_DEFERRED_DECODE_STEP();
+	}
+
+#undef UCG_DEFERRED_DECODE_STEP
+
+	if (out_graphemes != NULL)      { *out_graphemes = state.graphemes; }
+	if (out_rune_count != NULL)     { *out_rune_count = state.rune_count; }
+	if (out_grapheme_count != NULL) { *out_grapheme_count = state.grapheme_count; }
+	if (out_width != NULL)          { *out_width = state.width; }
+
+	return 0;
+}
+
+#undef UCG_TABLE_LEN
+#undef ZERO_WIDTH_SPACE
+#undef ZERO_WIDTH_NON_JOINER
+#undef ZERO_WIDTH_JOINER
+#undef WORD_JOINER

src/ucg/ucg_tables.h

@@ -0,0 +1,2629 @@
+/*
+ * SPDX-FileCopyrightText: (c) 2024 Feoramund
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+#ifndef _UCG_TABLES_INCLUDED
+#define _UCG_TABLES_INCLUDED
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+
+//
+// The tables below are accurate as of Unicode 15.1.0.
+//
+
+static const int32_t ucg_spacing_mark_ranges[] = {
+	0x0903, 0x0903,
+	0x093B, 0x093B,
+	0x093E, 0x0940,
+	0x0949, 0x094C,
+	0x094E, 0x094F,
+	0x0982, 0x0983,
+	0x09BE, 0x09C0,
+	0x09C7, 0x09C8,
+	0x09CB, 0x09CC,
+	0x09D7, 0x09D7,
+	0x0A03, 0x0A03,
+	0x0A3E, 0x0A40,
+	0x0A83, 0x0A83,
+	0x0ABE, 0x0AC0,
+	0x0AC9, 0x0AC9,
+	0x0ACB, 0x0ACC,
+	0x0B02, 0x0B03,
+	0x0B3E, 0x0B3E,
+	0x0B40, 0x0B40,
+	0x0B47, 0x0B48,
+	0x0B4B, 0x0B4C,
+	0x0B57, 0x0B57,
+	0x0BBE, 0x0BBF,
+	0x0BC1, 0x0BC2,
+	0x0BC6, 0x0BC8,
+	0x0BCA, 0x0BCC,
+	0x0BD7, 0x0BD7,
+	0x0C01, 0x0C03,
+	0x0C41, 0x0C44,
+	0x0C82, 0x0C83,
+	0x0CBE, 0x0CBE,
+	0x0CC0, 0x0CC4,
+	0x0CC7, 0x0CC8,
+	0x0CCA, 0x0CCB,
+	0x0CD5, 0x0CD6,
+	0x0CF3, 0x0CF3,
+	0x0D02, 0x0D03,
+	0x0D3E, 0x0D40,
+	0x0D46, 0x0D48,
+	0x0D4A, 0x0D4C,
+	0x0D57, 0x0D57,
+	0x0D82, 0x0D83,
+	0x0DCF, 0x0DD1,
+	0x0DD8, 0x0DDF,
+	0x0DF2, 0x0DF3,
+	0x0F3E, 0x0F3F,
+	0x0F7F, 0x0F7F,
+	0x102B, 0x102C,
+	0x1031, 0x1031,
+	0x1038, 0x1038,
+	0x103B, 0x103C,
+	0x1056, 0x1057,
+	0x1062, 0x1064,
+	0x1067, 0x106D,
+	0x1083, 0x1084,
+	0x1087, 0x108C,
+	0x108F, 0x108F,
+	0x109A, 0x109C,
+	0x1715, 0x1715,
+	0x1734, 0x1734,
+	0x17B6, 0x17B6,
+	0x17BE, 0x17C5,
+	0x17C7, 0x17C8,
+	0x1923, 0x1926,
+	0x1929, 0x192B,
+	0x1930, 0x1931,
+	0x1933, 0x1938,
+	0x1A19, 0x1A1A,
+	0x1A55, 0x1A55,
+	0x1A57, 0x1A57,
+	0x1A61, 0x1A61,
+	0x1A63, 0x1A64,
+	0x1A6D, 0x1A72,
+	0x1B04, 0x1B04,
+	0x1B35, 0x1B35,
+	0x1B3B, 0x1B3B,
+	0x1B3D, 0x1B41,
+	0x1B43, 0x1B44,
+	0x1B82, 0x1B82,
+	0x1BA1, 0x1BA1,
+	0x1BA6, 0x1BA7,
+	0x1BAA, 0x1BAA,
+	0x1BE7, 0x1BE7,
+	0x1BEA, 0x1BEC,
+	0x1BEE, 0x1BEE,
+	0x1BF2, 0x1BF3,
+	0x1C24, 0x1C2B,
+	0x1C34, 0x1C35,
+	0x1CE1, 0x1CE1,
+	0x1CF7, 0x1CF7,
+	0x302E, 0x302F,
+	0xA823, 0xA824,
+	0xA827, 0xA827,
+	0xA880, 0xA881,
+	0xA8B4, 0xA8C3,
+	0xA952, 0xA953,
+	0xA983, 0xA983,
+	0xA9B4, 0xA9B5,
+	0xA9BA, 0xA9BB,
+	0xA9BE, 0xA9C0,
+	0xAA2F, 0xAA30,
+	0xAA33, 0xAA34,
+	0xAA4D, 0xAA4D,
+	0xAA7B, 0xAA7B,
+	0xAA7D, 0xAA7D,
+	0xAAEB, 0xAAEB,
+	0xAAEE, 0xAAEF,
+	0xAAF5, 0xAAF5,
+	0xABE3, 0xABE4,
+	0xABE6, 0xABE7,
+	0xABE9, 0xABEA,
+	0xABEC, 0xABEC,
+	0x11000, 0x11000,
+	0x11002, 0x11002,
+	0x11082, 0x11082,
+	0x110B0, 0x110B2,
+	0x110B7, 0x110B8,
+	0x1112C, 0x1112C,
+	0x11145, 0x11146,
+	0x11182, 0x11182,
+	0x111B3, 0x111B5,
+	0x111BF, 0x111C0,
+	0x111CE, 0x111CE,
+	0x1122C, 0x1122E,
+	0x11232, 0x11233,
+	0x11235, 0x11235,
+	0x112E0, 0x112E2,
+	0x11302, 0x11303,
+	0x1133E, 0x1133F,
+	0x11341, 0x11344,
+	0x11347, 0x11348,
+	0x1134B, 0x1134D,
+	0x11357, 0x11357,
+	0x11362, 0x11363,
+	0x11435, 0x11437,
+	0x11440, 0x11441,
+	0x11445, 0x11445,
+	0x114B0, 0x114B2,
+	0x114B9, 0x114B9,
+	0x114BB, 0x114BE,
+	0x114C1, 0x114C1,
+	0x115AF, 0x115B1,
+	0x115B8, 0x115BB,
+	0x115BE, 0x115BE,
+	0x11630, 0x11632,
+	0x1163B, 0x1163C,
+	0x1163E, 0x1163E,
+	0x116AC, 0x116AC,
+	0x116AE, 0x116AF,
+	0x116B6, 0x116B6,
+	0x11720, 0x11721,
+	0x11726, 0x11726,
+	0x1182C, 0x1182E,
+	0x11838, 0x11838,
+	0x11930, 0x11935,
+	0x11937, 0x11938,
+	0x1193D, 0x1193D,
+	0x11940, 0x11940,
+	0x11942, 0x11942,
+	0x119D1, 0x119D3,
+	0x119DC, 0x119DF,
+	0x119E4, 0x119E4,
+	0x11A39, 0x11A39,
+	0x11A57, 0x11A58,
+	0x11A97, 0x11A97,
+	0x11C2F, 0x11C2F,
+	0x11C3E, 0x11C3E,
+	0x11CA9, 0x11CA9,
+	0x11CB1, 0x11CB1,
+	0x11CB4, 0x11CB4,
+	0x11D8A, 0x11D8E,
+	0x11D93, 0x11D94,
+	0x11D96, 0x11D96,
+	0x11EF5, 0x11EF6,
+	0x11F03, 0x11F03,
+	0x11F34, 0x11F35,
+	0x11F3E, 0x11F3F,
+	0x11F41, 0x11F41,
+	0x16F51, 0x16F87,
+	0x16FF0, 0x16FF1,
+	0x1D165, 0x1D166,
+	0x1D16D, 0x1D172,
+};
+
+static const int32_t ucg_nonspacing_mark_ranges[] = {
+	0x0300, 0x036F,
+	0x0483, 0x0487,
+	0x0591, 0x05BD,
+	0x05BF, 0x05BF,
+	0x05C1, 0x05C2,
+	0x05C4, 0x05C5,
+	0x05C7, 0x05C7,
+	0x0610, 0x061A,
+	0x064B, 0x065F,
+	0x0670, 0x0670,
+	0x06D6, 0x06DC,
+	0x06DF, 0x06E4,
+	0x06E7, 0x06E8,
+	0x06EA, 0x06ED,
+	0x0711, 0x0711,
+	0x0730, 0x074A,
+	0x07A6, 0x07B0,
+	0x07EB, 0x07F3,
+	0x07FD, 0x07FD,
+	0x0816, 0x0819,
+	0x081B, 0x0823,
+	0x0825, 0x0827,
+	0x0829, 0x082D,
+	0x0859, 0x085B,
+	0x0898, 0x089F,
+	0x08CA, 0x08E1,
+	0x08E3, 0x0902,
+	0x093A, 0x093A,
+	0x093C, 0x093C,
+	0x0941, 0x0948,
+	0x094D, 0x094D,
+	0x0951, 0x0957,
+	0x0962, 0x0963,
+	0x0981, 0x0981,
+	0x09BC, 0x09BC,
+	0x09C1, 0x09C4,
+	0x09CD, 0x09CD,
+	0x09E2, 0x09E3,
+	0x09FE, 0x09FE,
+	0x0A01, 0x0A02,
+	0x0A3C, 0x0A3C,
+	0x0A41, 0x0A42,
+	0x0A47, 0x0A48,
+	0x0A4B, 0x0A4D,
+	0x0A51, 0x0A51,
+	0x0A70, 0x0A71,
+	0x0A75, 0x0A75,
+	0x0A81, 0x0A82,
+	0x0ABC, 0x0ABC,
+	0x0AC1, 0x0AC5,
+	0x0AC7, 0x0AC8,
+	0x0ACD, 0x0ACD,
+	0x0AE2, 0x0AE3,
+	0x0AFA, 0x0AFF,
+	0x0B01, 0x0B01,
+	0x0B3C, 0x0B3C,
+	0x0B3F, 0x0B3F,
+	0x0B41, 0x0B44,
+	0x0B4D, 0x0B4D,
+	0x0B55, 0x0B56,
+	0x0B62, 0x0B63,
+	0x0B82, 0x0B82,
+	0x0BC0, 0x0BC0,
+	0x0BCD, 0x0BCD,
+	0x0C00, 0x0C00,
+	0x0C04, 0x0C04,
+	0x0C3C, 0x0C3C,
+	0x0C3E, 0x0C40,
+	0x0C46, 0x0C48,
+	0x0C4A, 0x0C4D,
+	0x0C55, 0x0C56,
+	0x0C62, 0x0C63,
+	0x0C81, 0x0C81,
+	0x0CBC, 0x0CBC,
+	0x0CBF, 0x0CBF,
+	0x0CC6, 0x0CC6,
+	0x0CCC, 0x0CCD,
+	0x0CE2, 0x0CE3,
+	0x0D00, 0x0D01,
+	0x0D3B, 0x0D3C,
+	0x0D41, 0x0D44,
+	0x0D4D, 0x0D4D,
+	0x0D62, 0x0D63,
+	0x0D81, 0x0D81,
+	0x0DCA, 0x0DCA,
+	0x0DD2, 0x0DD4,
+	0x0DD6, 0x0DD6,
+	0x0E31, 0x0E31,
+	0x0E34, 0x0E3A,
+	0x0E47, 0x0E4E,
+	0x0EB1, 0x0EB1,
+	0x0EB4, 0x0EBC,
+	0x0EC8, 0x0ECE,
+	0x0F18, 0x0F19,
+	0x0F35, 0x0F35,
+	0x0F37, 0x0F37,
+	0x0F39, 0x0F39,
+	0x0F71, 0x0F7E,
+	0x0F80, 0x0F84,
+	0x0F86, 0x0F87,
+	0x0F8D, 0x0F97,
+	0x0F99, 0x0FBC,
+	0x0FC6, 0x0FC6,
+	0x102D, 0x1030,
+	0x1032, 0x1037,
+	0x1039, 0x103A,
+	0x103D, 0x103E,
+	0x1058, 0x1059,
+	0x105E, 0x1060,
+	0x1071, 0x1074,
+	0x1082, 0x1082,
+	0x1085, 0x1086,
+	0x108D, 0x108D,
+	0x109D, 0x109D,
+	0x135D, 0x135F,
+	0x1712, 0x1714,
+	0x1732, 0x1733,
+	0x1752, 0x1753,
+	0x1772, 0x1773,
+	0x17B4, 0x17B5,
+	0x17B7, 0x17BD,
+	0x17C6, 0x17C6,
+	0x17C9, 0x17D3,
+	0x17DD, 0x17DD,
+	0x180B, 0x180D,
+	0x180F, 0x180F,
+	0x1885, 0x1886,
+	0x18A9, 0x18A9,
+	0x1920, 0x1922,
+	0x1927, 0x1928,
+	0x1932, 0x1932,
+	0x1939, 0x193B,
+	0x1A17, 0x1A18,
+	0x1A1B, 0x1A1B,
+	0x1A56, 0x1A56,
+	0x1A58, 0x1A5E,
+	0x1A60, 0x1A60,
+	0x1A62, 0x1A62,
+	0x1A65, 0x1A6C,
+	0x1A73, 0x1A7C,
+	0x1A7F, 0x1A7F,
+	0x1AB0, 0x1ABD,
+	0x1ABF, 0x1ACE,
+	0x1B00, 0x1B03,
+	0x1B34, 0x1B34,
+	0x1B36, 0x1B3A,
+	0x1B3C, 0x1B3C,
+	0x1B42, 0x1B42,
+	0x1B6B, 0x1B73,
+	0x1B80, 0x1B81,
+	0x1BA2, 0x1BA5,
+	0x1BA8, 0x1BA9,
+	0x1BAB, 0x1BAD,
+	0x1BE6, 0x1BE6,
+	0x1BE8, 0x1BE9,
+	0x1BED, 0x1BED,
+	0x1BEF, 0x1BF1,
+	0x1C2C, 0x1C33,
+	0x1C36, 0x1C37,
+	0x1CD0, 0x1CD2,
+	0x1CD4, 0x1CE0,
+	0x1CE2, 0x1CE8,
+	0x1CED, 0x1CED,
+	0x1CF4, 0x1CF4,
+	0x1CF8, 0x1CF9,
+	0x1DC0, 0x1DFF,
+	0x20D0, 0x20DC,
+	0x20E1, 0x20E1,
+	0x20E5, 0x20F0,
+	0x2CEF, 0x2CF1,
+	0x2D7F, 0x2D7F,
+	0x2DE0, 0x2DFF,
+	0x302A, 0x302D,
+	0x3099, 0x309A,
+	0xA66F, 0xA66F,
+	0xA674, 0xA67D,
+	0xA69E, 0xA69F,
+	0xA6F0, 0xA6F1,
+	0xA802, 0xA802,
+	0xA806, 0xA806,
+	0xA80B, 0xA80B,
+	0xA825, 0xA826,
+	0xA82C, 0xA82C,
+	0xA8C4, 0xA8C5,
+	0xA8E0, 0xA8F1,
+	0xA8FF, 0xA8FF,
+	0xA926, 0xA92D,
+	0xA947, 0xA951,
+	0xA980, 0xA982,
+	0xA9B3, 0xA9B3,
+	0xA9B6, 0xA9B9,
+	0xA9BC, 0xA9BD,
+	0xA9E5, 0xA9E5,
+	0xAA29, 0xAA2E,
+	0xAA31, 0xAA32,
+	0xAA35, 0xAA36,
+	0xAA43, 0xAA43,
+	0xAA4C, 0xAA4C,
+	0xAA7C, 0xAA7C,
+	0xAAB0, 0xAAB0,
+	0xAAB2, 0xAAB4,
+	0xAAB7, 0xAAB8,
+	0xAABE, 0xAABF,
+	0xAAC1, 0xAAC1,
+	0xAAEC, 0xAAED,
+	0xAAF6, 0xAAF6,
+	0xABE5, 0xABE5,
+	0xABE8, 0xABE8,
+	0xABED, 0xABED,
+	0xFB1E, 0xFB1E,
+	0xFE00, 0xFE0F,
+	0xFE20, 0xFE2F,
+	0x101FD, 0x101FD,
+	0x102E0, 0x102E0,
+	0x10376, 0x1037A,
+	0x10A01, 0x10A03,
+	0x10A05, 0x10A06,
+	0x10A0C, 0x10A0F,
+	0x10A38, 0x10A3A,
+	0x10A3F, 0x10A3F,
+	0x10AE5, 0x10AE6,
+	0x10D24, 0x10D27,
+	0x10EAB, 0x10EAC,
+	0x10EFD, 0x10EFF,
+	0x10F46, 0x10F50,
+	0x10F82, 0x10F85,
+	0x11001, 0x11001,
+	0x11038, 0x11046,
+	0x11070, 0x11070,
+	0x11073, 0x11074,
+	0x1107F, 0x11081,
+	0x110B3, 0x110B6,
+	0x110B9, 0x110BA,
+	0x110C2, 0x110C2,
+	0x11100, 0x11102,
+	0x11127, 0x1112B,
+	0x1112D, 0x11134,
+	0x11173, 0x11173,
+	0x11180, 0x11181,
+	0x111B6, 0x111BE,
+	0x111C9, 0x111CC,
+	0x111CF, 0x111CF,
+	0x1122F, 0x11231,
+	0x11234, 0x11234,
+	0x11236, 0x11237,
+	0x1123E, 0x1123E,
+	0x11241, 0x11241,
+	0x112DF, 0x112DF,
+	0x112E3, 0x112EA,
+	0x11300, 0x11301,
+	0x1133B, 0x1133C,
+	0x11340, 0x11340,
+	0x11366, 0x1136C,
+	0x11370, 0x11374,
+	0x11438, 0x1143F,
+	0x11442, 0x11444,
+	0x11446, 0x11446,
+	0x1145E, 0x1145E,
+	0x114B3, 0x114B8,
+	0x114BA, 0x114BA,
+	0x114BF, 0x114C0,
+	0x114C2, 0x114C3,
+	0x115B2, 0x115B5,
+	0x115BC, 0x115BD,
+	0x115BF, 0x115C0,
+	0x115DC, 0x115DD,
+	0x11633, 0x1163A,
+	0x1163D, 0x1163D,
+	0x1163F, 0x11640,
+	0x116AB, 0x116AB,
+	0x116AD, 0x116AD,
+	0x116B0, 0x116B5,
+	0x116B7, 0x116B7,
+	0x1171D, 0x1171F,
+	0x11722, 0x11725,
+	0x11727, 0x1172B,
+	0x1182F, 0x11837,
+	0x11839, 0x1183A,
+	0x1193B, 0x1193C,
+	0x1193E, 0x1193E,
+	0x11943, 0x11943,
+	0x119D4, 0x119D7,
+	0x119DA, 0x119DB,
+	0x119E0, 0x119E0,
+	0x11A01, 0x11A0A,
+	0x11A33, 0x11A38,
+	0x11A3B, 0x11A3E,
+	0x11A47, 0x11A47,
+	0x11A51, 0x11A56,
+	0x11A59, 0x11A5B,
+	0x11A8A, 0x11A96,
+	0x11A98, 0x11A99,
+	0x11C30, 0x11C36,
+	0x11C38, 0x11C3D,
+	0x11C3F, 0x11C3F,
+	0x11C92, 0x11CA7,
+	0x11CAA, 0x11CB0,
+	0x11CB2, 0x11CB3,
+	0x11CB5, 0x11CB6,
+	0x11D31, 0x11D36,
+	0x11D3A, 0x11D3A,
+	0x11D3C, 0x11D3D,
+	0x11D3F, 0x11D45,
+	0x11D47, 0x11D47,
+	0x11D90, 0x11D91,
+	0x11D95, 0x11D95,
+	0x11D97, 0x11D97,
+	0x11EF3, 0x11EF4,
+	0x11F00, 0x11F01,
+	0x11F36, 0x11F3A,
+	0x11F40, 0x11F40,
+	0x11F42, 0x11F42,
+	0x13440, 0x13440,
+	0x13447, 0x13455,
+	0x16AF0, 0x16AF4,
+	0x16B30, 0x16B36,
+	0x16F4F, 0x16F4F,
+	0x16F8F, 0x16F92,
+	0x16FE4, 0x16FE4,
+	0x1BC9D, 0x1BC9E,
+	0x1CF00, 0x1CF2D,
+	0x1CF30, 0x1CF46,
+	0x1D167, 0x1D169,
+	0x1D17B, 0x1D182,
+	0x1D185, 0x1D18B,
+	0x1D1AA, 0x1D1AD,
+	0x1D242, 0x1D244,
+	0x1DA00, 0x1DA36,
+	0x1DA3B, 0x1DA6C,
+	0x1DA75, 0x1DA75,
+	0x1DA84, 0x1DA84,
+	0x1DA9B, 0x1DA9F,
+	0x1DAA1, 0x1DAAF,
+	0x1E000, 0x1E006,
+	0x1E008, 0x1E018,
+	0x1E01B, 0x1E021,
+	0x1E023, 0x1E024,
+	0x1E026, 0x1E02A,
+	0x1E08F, 0x1E08F,
+	0x1E130, 0x1E136,
+	0x1E2AE, 0x1E2AE,
+	0x1E2EC, 0x1E2EF,
+	0x1E4EC, 0x1E4EF,
+	0x1E8D0, 0x1E8D6,
+	0x1E944, 0x1E94A,
+	0xE0100, 0xE01EF,
+};
+
+static const int32_t ucg_emoji_extended_pictographic_ranges[] = {
+	0x00A9, 0x00A9,
+	0x00AE, 0x00AE,
+	0x203C, 0x203C,
+	0x2049, 0x2049,
+	0x2122, 0x2122,
+	0x2139, 0x2139,
+	0x2194, 0x2199,
+	0x21A9, 0x21AA,
+	0x231A, 0x231B,
+	0x2328, 0x2328,
+	0x2388, 0x2388,
+	0x23CF, 0x23CF,
+	0x23E9, 0x23EC,
+	0x23ED, 0x23EE,
+	0x23EF, 0x23EF,
+	0x23F0, 0x23F0,
+	0x23F1, 0x23F2,
+	0x23F3, 0x23F3,
+	0x23F8, 0x23FA,
+	0x24C2, 0x24C2,
+	0x25AA, 0x25AB,
+	0x25B6, 0x25B6,
+	0x25C0, 0x25C0,
+	0x25FB, 0x25FE,
+	0x2600, 0x2601,
+	0x2602, 0x2603,
+	0x2604, 0x2604,
+	0x2605, 0x2605,
+	0x2607, 0x260D,
+	0x260E, 0x260E,
+	0x260F, 0x2610,
+	0x2611, 0x2611,
+	0x2612, 0x2612,
+	0x2614, 0x2615,
+	0x2616, 0x2617,
+	0x2618, 0x2618,
+	0x2619, 0x261C,
+	0x261D, 0x261D,
+	0x261E, 0x261F,
+	0x2620, 0x2620,
+	0x2621, 0x2621,
+	0x2622, 0x2623,
+	0x2624, 0x2625,
+	0x2626, 0x2626,
+	0x2627, 0x2629,
+	0x262A, 0x262A,
+	0x262B, 0x262D,
+	0x262E, 0x262E,
+	0x262F, 0x262F,
+	0x2630, 0x2637,
+	0x2638, 0x2639,
+	0x263A, 0x263A,
+	0x263B, 0x263F,
+	0x2640, 0x2640,
+	0x2641, 0x2641,
+	0x2642, 0x2642,
+	0x2643, 0x2647,
+	0x2648, 0x2653,
+	0x2654, 0x265E,
+	0x265F, 0x265F,
+	0x2660, 0x2660,
+	0x2661, 0x2662,
+	0x2663, 0x2663,
+	0x2664, 0x2664,
+	0x2665, 0x2666,
+	0x2667, 0x2667,
+	0x2668, 0x2668,
+	0x2669, 0x267A,
+	0x267B, 0x267B,
+	0x267C, 0x267D,
+	0x267E, 0x267E,
+	0x267F, 0x267F,
+	0x2680, 0x2685,
+	0x2690, 0x2691,
+	0x2692, 0x2692,
+	0x2693, 0x2693,
+	0x2694, 0x2694,
+	0x2695, 0x2695,
+	0x2696, 0x2697,
+	0x2698, 0x2698,
+	0x2699, 0x2699,
+	0x269A, 0x269A,
+	0x269B, 0x269C,
+	0x269D, 0x269F,
+	0x26A0, 0x26A1,
+	0x26A2, 0x26A6,
+	0x26A7, 0x26A7,
+	0x26A8, 0x26A9,
+	0x26AA, 0x26AB,
+	0x26AC, 0x26AF,
+	0x26B0, 0x26B1,
+	0x26B2, 0x26BC,
+	0x26BD, 0x26BE,
+	0x26BF, 0x26C3,
+	0x26C4, 0x26C5,
+	0x26C6, 0x26C7,
+	0x26C8, 0x26C8,
+	0x26C9, 0x26CD,
+	0x26CE, 0x26CE,
+	0x26CF, 0x26CF,
+	0x26D0, 0x26D0,
+	0x26D1, 0x26D1,
+	0x26D2, 0x26D2,
+	0x26D3, 0x26D3,
+	0x26D4, 0x26D4,
+	0x26D5, 0x26E8,
+	0x26E9, 0x26E9,
+	0x26EA, 0x26EA,
+	0x26EB, 0x26EF,
+	0x26F0, 0x26F1,
+	0x26F2, 0x26F3,
+	0x26F4, 0x26F4,
+	0x26F5, 0x26F5,
+	0x26F6, 0x26F6,
+	0x26F7, 0x26F9,
+	0x26FA, 0x26FA,
+	0x26FB, 0x26FC,
+	0x26FD, 0x26FD,
+	0x26FE, 0x2701,
+	0x2702, 0x2702,
+	0x2703, 0x2704,
+	0x2705, 0x2705,
+	0x2708, 0x270C,
+	0x270D, 0x270D,
+	0x270E, 0x270E,
+	0x270F, 0x270F,
+	0x2710, 0x2711,
+	0x2712, 0x2712,
+	0x2714, 0x2714,
+	0x2716, 0x2716,
+	0x271D, 0x271D,
+	0x2721, 0x2721,
+	0x2728, 0x2728,
+	0x2733, 0x2734,
+	0x2744, 0x2744,
+	0x2747, 0x2747,
+	0x274C, 0x274C,
+	0x274E, 0x274E,
+	0x2753, 0x2755,
+	0x2757, 0x2757,
+	0x2763, 0x2763,
+	0x2764, 0x2764,
+	0x2765, 0x2767,
+	0x2795, 0x2797,
+	0x27A1, 0x27A1,
+	0x27B0, 0x27B0,
+	0x27BF, 0x27BF,
+	0x2934, 0x2935,
+	0x2B05, 0x2B07,
+	0x2B1B, 0x2B1C,
+	0x2B50, 0x2B50,
+	0x2B55, 0x2B55,
+	0x3030, 0x3030,
+	0x303D, 0x303D,
+	0x3297, 0x3297,
+	0x3299, 0x3299,
+	0x1F000, 0x1F003,
+	0x1F004, 0x1F004,
+	0x1F005, 0x1F0CE,
+	0x1F0CF, 0x1F0CF,
+	0x1F0D0, 0x1F0FF,
+	0x1F10D, 0x1F10F,
+	0x1F12F, 0x1F12F,
+	0x1F16C, 0x1F16F,
+	0x1F170, 0x1F171,
+	0x1F17E, 0x1F17F,
+	0x1F18E, 0x1F18E,
+	0x1F191, 0x1F19A,
+	0x1F1AD, 0x1F1E5,
+	0x1F201, 0x1F202,
+	0x1F203, 0x1F20F,
+	0x1F21A, 0x1F21A,
+	0x1F22F, 0x1F22F,
+	0x1F232, 0x1F23A,
+	0x1F23C, 0x1F23F,
+	0x1F249, 0x1F24F,
+	0x1F250, 0x1F251,
+	0x1F252, 0x1F2FF,
+	0x1F300, 0x1F30C,
+	0x1F30D, 0x1F30E,
+	0x1F30F, 0x1F30F,
+	0x1F310, 0x1F310,
+	0x1F311, 0x1F311,
+	0x1F312, 0x1F312,
+	0x1F313, 0x1F315,
+	0x1F316, 0x1F318,
+	0x1F319, 0x1F319,
+	0x1F31A, 0x1F31A,
+	0x1F31B, 0x1F31B,
+	0x1F31C, 0x1F31C,
+	0x1F31D, 0x1F31E,
+	0x1F31F, 0x1F320,
+	0x1F321, 0x1F321,
+	0x1F322, 0x1F323,
+	0x1F324, 0x1F32C,
+	0x1F32D, 0x1F32F,
+	0x1F330, 0x1F331,
+	0x1F332, 0x1F333,
+	0x1F334, 0x1F335,
+	0x1F336, 0x1F336,
+	0x1F337, 0x1F34A,
+	0x1F34B, 0x1F34B,
+	0x1F34C, 0x1F34F,
+	0x1F350, 0x1F350,
+	0x1F351, 0x1F37B,
+	0x1F37C, 0x1F37C,
+	0x1F37D, 0x1F37D,
+	0x1F37E, 0x1F37F,
+	0x1F380, 0x1F393,
+	0x1F394, 0x1F395,
+	0x1F396, 0x1F397,
+	0x1F398, 0x1F398,
+	0x1F399, 0x1F39B,
+	0x1F39C, 0x1F39D,
+	0x1F39E, 0x1F39F,
+	0x1F3A0, 0x1F3C4,
+	0x1F3C5, 0x1F3C5,
+	0x1F3C6, 0x1F3C6,
+	0x1F3C7, 0x1F3C7,
+	0x1F3C8, 0x1F3C8,
+	0x1F3C9, 0x1F3C9,
+	0x1F3CA, 0x1F3CA,
+	0x1F3CB, 0x1F3CE,
+	0x1F3CF, 0x1F3D3,
+	0x1F3D4, 0x1F3DF,
+	0x1F3E0, 0x1F3E3,
+	0x1F3E4, 0x1F3E4,
+	0x1F3E5, 0x1F3F0,
+	0x1F3F1, 0x1F3F2,
+	0x1F3F3, 0x1F3F3,
+	0x1F3F4, 0x1F3F4,
+	0x1F3F5, 0x1F3F5,
+	0x1F3F6, 0x1F3F6,
+	0x1F3F7, 0x1F3F7,
+	0x1F3F8, 0x1F3FA,
+	0x1F400, 0x1F407,
+	0x1F408, 0x1F408,
+	0x1F409, 0x1F40B,
+	0x1F40C, 0x1F40E,
+	0x1F40F, 0x1F410,
+	0x1F411, 0x1F412,
+	0x1F413, 0x1F413,
+	0x1F414, 0x1F414,
+	0x1F415, 0x1F415,
+	0x1F416, 0x1F416,
+	0x1F417, 0x1F429,
+	0x1F42A, 0x1F42A,
+	0x1F42B, 0x1F43E,
+	0x1F43F, 0x1F43F,
+	0x1F440, 0x1F440,
+	0x1F441, 0x1F441,
+	0x1F442, 0x1F464,
+	0x1F465, 0x1F465,
+	0x1F466, 0x1F46B,
+	0x1F46C, 0x1F46D,
+	0x1F46E, 0x1F4AC,
+	0x1F4AD, 0x1F4AD,
+	0x1F4AE, 0x1F4B5,
+	0x1F4B6, 0x1F4B7,
+	0x1F4B8, 0x1F4EB,
+	0x1F4EC, 0x1F4ED,
+	0x1F4EE, 0x1F4EE,
+	0x1F4EF, 0x1F4EF,
+	0x1F4F0, 0x1F4F4,
+	0x1F4F5, 0x1F4F5,
+	0x1F4F6, 0x1F4F7,
+	0x1F4F8, 0x1F4F8,
+	0x1F4F9, 0x1F4FC,
+	0x1F4FD, 0x1F4FD,
+	0x1F4FE, 0x1F4FE,
+	0x1F4FF, 0x1F502,
+	0x1F503, 0x1F503,
+	0x1F504, 0x1F507,
+	0x1F508, 0x1F508,
+	0x1F509, 0x1F509,
+	0x1F50A, 0x1F514,
+	0x1F515, 0x1F515,
+	0x1F516, 0x1F52B,
+	0x1F52C, 0x1F52D,
+	0x1F52E, 0x1F53D,
+	0x1F546, 0x1F548,
+	0x1F549, 0x1F54A,
+	0x1F54B, 0x1F54E,
+	0x1F54F, 0x1F54F,
+	0x1F550, 0x1F55B,
+	0x1F55C, 0x1F567,
+	0x1F568, 0x1F56E,
+	0x1F56F, 0x1F570,
+	0x1F571, 0x1F572,
+	0x1F573, 0x1F579,
+	0x1F57A, 0x1F57A,
+	0x1F57B, 0x1F586,
+	0x1F587, 0x1F587,
+	0x1F588, 0x1F589,
+	0x1F58A, 0x1F58D,
+	0x1F58E, 0x1F58F,
+	0x1F590, 0x1F590,
+	0x1F591, 0x1F594,
+	0x1F595, 0x1F596,
+	0x1F597, 0x1F5A3,
+	0x1F5A4, 0x1F5A4,
+	0x1F5A5, 0x1F5A5,
+	0x1F5A6, 0x1F5A7,
+	0x1F5A8, 0x1F5A8,
+	0x1F5A9, 0x1F5B0,
+	0x1F5B1, 0x1F5B2,
+	0x1F5B3, 0x1F5BB,
+	0x1F5BC, 0x1F5BC,
+	0x1F5BD, 0x1F5C1,
+	0x1F5C2, 0x1F5C4,
+	0x1F5C5, 0x1F5D0,
+	0x1F5D1, 0x1F5D3,
+	0x1F5D4, 0x1F5DB,
+	0x1F5DC, 0x1F5DE,
+	0x1F5DF, 0x1F5E0,
+	0x1F5E1, 0x1F5E1,
+	0x1F5E2, 0x1F5E2,
+	0x1F5E3, 0x1F5E3,
+	0x1F5E4, 0x1F5E7,
+	0x1F5E8, 0x1F5E8,
+	0x1F5E9, 0x1F5EE,
+	0x1F5EF, 0x1F5EF,
+	0x1F5F0, 0x1F5F2,
+	0x1F5F3, 0x1F5F3,
+	0x1F5F4, 0x1F5F9,
+	0x1F5FA, 0x1F5FA,
+	0x1F5FB, 0x1F5FF,
+	0x1F600, 0x1F600,
+	0x1F601, 0x1F606,
+	0x1F607, 0x1F608,
+	0x1F609, 0x1F60D,
+	0x1F60E, 0x1F60E,
+	0x1F60F, 0x1F60F,
+	0x1F610, 0x1F610,
+	0x1F611, 0x1F611,
+	0x1F612, 0x1F614,
+	0x1F615, 0x1F615,
+	0x1F616, 0x1F616,
+	0x1F617, 0x1F617,
+	0x1F618, 0x1F618,
+	0x1F619, 0x1F619,
+	0x1F61A, 0x1F61A,
+	0x1F61B, 0x1F61B,
+	0x1F61C, 0x1F61E,
+	0x1F61F, 0x1F61F,
+	0x1F620, 0x1F625,
+	0x1F626, 0x1F627,
+	0x1F628, 0x1F62B,
+	0x1F62C, 0x1F62C,
+	0x1F62D, 0x1F62D,
+	0x1F62E, 0x1F62F,
+	0x1F630, 0x1F633,
+	0x1F634, 0x1F634,
+	0x1F635, 0x1F635,
+	0x1F636, 0x1F636,
+	0x1F637, 0x1F640,
+	0x1F641, 0x1F644,
+	0x1F645, 0x1F64F,
+	0x1F680, 0x1F680,
+	0x1F681, 0x1F682,
+	0x1F683, 0x1F685,
+	0x1F686, 0x1F686,
+	0x1F687, 0x1F687,
+	0x1F688, 0x1F688,
+	0x1F689, 0x1F689,
+	0x1F68A, 0x1F68B,
+	0x1F68C, 0x1F68C,
+	0x1F68D, 0x1F68D,
+	0x1F68E, 0x1F68E,
+	0x1F68F, 0x1F68F,
+	0x1F690, 0x1F690,
+	0x1F691, 0x1F693,
+	0x1F694, 0x1F694,
+	0x1F695, 0x1F695,
+	0x1F696, 0x1F696,
+	0x1F697, 0x1F697,
+	0x1F698, 0x1F698,
+	0x1F699, 0x1F69A,
+	0x1F69B, 0x1F6A1,
+	0x1F6A2, 0x1F6A2,
+	0x1F6A3, 0x1F6A3,
+	0x1F6A4, 0x1F6A5,
+	0x1F6A6, 0x1F6A6,
+	0x1F6A7, 0x1F6AD,
+	0x1F6AE, 0x1F6B1,
+	0x1F6B2, 0x1F6B2,
+	0x1F6B3, 0x1F6B5,
+	0x1F6B6, 0x1F6B6,
+	0x1F6B7, 0x1F6B8,
+	0x1F6B9, 0x1F6BE,
+	0x1F6BF, 0x1F6BF,
+	0x1F6C0, 0x1F6C0,
+	0x1F6C1, 0x1F6C5,
+	0x1F6C6, 0x1F6CA,
+	0x1F6CB, 0x1F6CB,
+	0x1F6CC, 0x1F6CC,
+	0x1F6CD, 0x1F6CF,
+	0x1F6D0, 0x1F6D0,
+	0x1F6D1, 0x1F6D2,
+	0x1F6D3, 0x1F6D4,
+	0x1F6D5, 0x1F6D5,
+	0x1F6D6, 0x1F6D7,
+	0x1F6D8, 0x1F6DB,
+	0x1F6DC, 0x1F6DC,
+	0x1F6DD, 0x1F6DF,
+	0x1F6E0, 0x1F6E5,
+	0x1F6E6, 0x1F6E8,
+	0x1F6E9, 0x1F6E9,
+	0x1F6EA, 0x1F6EA,
+	0x1F6EB, 0x1F6EC,
+	0x1F6ED, 0x1F6EF,
+	0x1F6F0, 0x1F6F0,
+	0x1F6F1, 0x1F6F2,
+	0x1F6F3, 0x1F6F3,
+	0x1F6F4, 0x1F6F6,
+	0x1F6F7, 0x1F6F8,
+	0x1F6F9, 0x1F6F9,
+	0x1F6FA, 0x1F6FA,
+	0x1F6FB, 0x1F6FC,
+	0x1F6FD, 0x1F6FF,
+	0x1F774, 0x1F77F,
+	0x1F7D5, 0x1F7DF,
+	0x1F7E0, 0x1F7EB,
+	0x1F7EC, 0x1F7EF,
+	0x1F7F0, 0x1F7F0,
+	0x1F7F1, 0x1F7FF,
+	0x1F80C, 0x1F80F,
+	0x1F848, 0x1F84F,
+	0x1F85A, 0x1F85F,
+	0x1F888, 0x1F88F,
+	0x1F8AE, 0x1F8FF,
+	0x1F90C, 0x1F90C,
+	0x1F90D, 0x1F90F,
+	0x1F910, 0x1F918,
+	0x1F919, 0x1F91E,
+	0x1F91F, 0x1F91F,
+	0x1F920, 0x1F927,
+	0x1F928, 0x1F92F,
+	0x1F930, 0x1F930,
+	0x1F931, 0x1F932,
+	0x1F933, 0x1F93A,
+	0x1F93C, 0x1F93E,
+	0x1F93F, 0x1F93F,
+	0x1F940, 0x1F945,
+	0x1F947, 0x1F94B,
+	0x1F94C, 0x1F94C,
+	0x1F94D, 0x1F94F,
+	0x1F950, 0x1F95E,
+	0x1F95F, 0x1F96B,
+	0x1F96C, 0x1F970,
+	0x1F971, 0x1F971,
+	0x1F972, 0x1F972,
+	0x1F973, 0x1F976,
+	0x1F977, 0x1F978,
+	0x1F979, 0x1F979,
+	0x1F97A, 0x1F97A,
+	0x1F97B, 0x1F97B,
+	0x1F97C, 0x1F97F,
+	0x1F980, 0x1F984,
+	0x1F985, 0x1F991,
+	0x1F992, 0x1F997,
+	0x1F998, 0x1F9A2,
+	0x1F9A3, 0x1F9A4,
+	0x1F9A5, 0x1F9AA,
+	0x1F9AB, 0x1F9AD,
+	0x1F9AE, 0x1F9AF,
+	0x1F9B0, 0x1F9B9,
+	0x1F9BA, 0x1F9BF,
+	0x1F9C0, 0x1F9C0,
+	0x1F9C1, 0x1F9C2,
+	0x1F9C3, 0x1F9CA,
+	0x1F9CB, 0x1F9CB,
+	0x1F9CC, 0x1F9CC,
+	0x1F9CD, 0x1F9CF,
+	0x1F9D0, 0x1F9E6,
+	0x1F9E7, 0x1F9FF,
+	0x1FA00, 0x1FA6F,
+	0x1FA70, 0x1FA73,
+	0x1FA74, 0x1FA74,
+	0x1FA75, 0x1FA77,
+	0x1FA78, 0x1FA7A,
+	0x1FA7B, 0x1FA7C,
+	0x1FA7D, 0x1FA7F,
+	0x1FA80, 0x1FA82,
+	0x1FA83, 0x1FA86,
+	0x1FA87, 0x1FA88,
+	0x1FA89, 0x1FA8F,
+	0x1FA90, 0x1FA95,
+	0x1FA96, 0x1FAA8,
+	0x1FAA9, 0x1FAAC,
+	0x1FAAD, 0x1FAAF,
+	0x1FAB0, 0x1FAB6,
+	0x1FAB7, 0x1FABA,
+	0x1FABB, 0x1FABD,
+	0x1FABE, 0x1FABE,
+	0x1FABF, 0x1FABF,
+	0x1FAC0, 0x1FAC2,
+	0x1FAC3, 0x1FAC5,
+	0x1FAC6, 0x1FACD,
+	0x1FACE, 0x1FACF,
+	0x1FAD0, 0x1FAD6,
+	0x1FAD7, 0x1FAD9,
+	0x1FADA, 0x1FADB,
+	0x1FADC, 0x1FADF,
+	0x1FAE0, 0x1FAE7,
+	0x1FAE8, 0x1FAE8,
+	0x1FAE9, 0x1FAEF,
+	0x1FAF0, 0x1FAF6,
+	0x1FAF7, 0x1FAF8,
+	0x1FAF9, 0x1FAFF,
+	0x1FC00, 0x1FFFD,
+};
+
+static const int32_t ucg_grapheme_extend_ranges[] = {
+	0x0300, 0x036F,
+	0x0483, 0x0487,
+	0x0488, 0x0489,
+	0x0591, 0x05BD,
+	0x05BF, 0x05BF,
+	0x05C1, 0x05C2,
+	0x05C4, 0x05C5,
+	0x05C7, 0x05C7,
+	0x0610, 0x061A,
+	0x064B, 0x065F,
+	0x0670, 0x0670,
+	0x06D6, 0x06DC,
+	0x06DF, 0x06E4,
+	0x06E7, 0x06E8,
+	0x06EA, 0x06ED,
+	0x0711, 0x0711,
+	0x0730, 0x074A,
+	0x07A6, 0x07B0,
+	0x07EB, 0x07F3,
+	0x07FD, 0x07FD,
+	0x0816, 0x0819,
+	0x081B, 0x0823,
+	0x0825, 0x0827,
+	0x0829, 0x082D,
+	0x0859, 0x085B,
+	0x0898, 0x089F,
+	0x08CA, 0x08E1,
+	0x08E3, 0x0902,
+	0x093A, 0x093A,
+	0x093C, 0x093C,
+	0x0941, 0x0948,
+	0x094D, 0x094D,
+	0x0951, 0x0957,
+	0x0962, 0x0963,
+	0x0981, 0x0981,
+	0x09BC, 0x09BC,
+	0x09BE, 0x09BE,
+	0x09C1, 0x09C4,
+	0x09CD, 0x09CD,
+	0x09D7, 0x09D7,
+	0x09E2, 0x09E3,
+	0x09FE, 0x09FE,
+	0x0A01, 0x0A02,
+	0x0A3C, 0x0A3C,
+	0x0A41, 0x0A42,
+	0x0A47, 0x0A48,
+	0x0A4B, 0x0A4D,
+	0x0A51, 0x0A51,
+	0x0A70, 0x0A71,
+	0x0A75, 0x0A75,
+	0x0A81, 0x0A82,
+	0x0ABC, 0x0ABC,
+	0x0AC1, 0x0AC5,
+	0x0AC7, 0x0AC8,
+	0x0ACD, 0x0ACD,
+	0x0AE2, 0x0AE3,
+	0x0AFA, 0x0AFF,
+	0x0B01, 0x0B01,
+	0x0B3C, 0x0B3C,
+	0x0B3E, 0x0B3E,
+	0x0B3F, 0x0B3F,
+	0x0B41, 0x0B44,
+	0x0B4D, 0x0B4D,
+	0x0B55, 0x0B56,
+	0x0B57, 0x0B57,
+	0x0B62, 0x0B63,
+	0x0B82, 0x0B82,
+	0x0BBE, 0x0BBE,
+	0x0BC0, 0x0BC0,
+	0x0BCD, 0x0BCD,
+	0x0BD7, 0x0BD7,
+	0x0C00, 0x0C00,
+	0x0C04, 0x0C04,
+	0x0C3C, 0x0C3C,
+	0x0C3E, 0x0C40,
+	0x0C46, 0x0C48,
+	0x0C4A, 0x0C4D,
+	0x0C55, 0x0C56,
+	0x0C62, 0x0C63,
+	0x0C81, 0x0C81,
+	0x0CBC, 0x0CBC,
+	0x0CBF, 0x0CBF,
+	0x0CC2, 0x0CC2,
+	0x0CC6, 0x0CC6,
+	0x0CCC, 0x0CCD,
+	0x0CD5, 0x0CD6,
+	0x0CE2, 0x0CE3,
+	0x0D00, 0x0D01,
+	0x0D3B, 0x0D3C,
+	0x0D3E, 0x0D3E,
+	0x0D41, 0x0D44,
+	0x0D4D, 0x0D4D,
+	0x0D57, 0x0D57,
+	0x0D62, 0x0D63,
+	0x0D81, 0x0D81,
+	0x0DCA, 0x0DCA,
+	0x0DCF, 0x0DCF,
+	0x0DD2, 0x0DD4,
+	0x0DD6, 0x0DD6,
+	0x0DDF, 0x0DDF,
+	0x0E31, 0x0E31,
+	0x0E34, 0x0E3A,
+	0x0E47, 0x0E4E,
+	0x0EB1, 0x0EB1,
+	0x0EB4, 0x0EBC,
+	0x0EC8, 0x0ECE,
+	0x0F18, 0x0F19,
+	0x0F35, 0x0F35,
+	0x0F37, 0x0F37,
+	0x0F39, 0x0F39,
+	0x0F71, 0x0F7E,
+	0x0F80, 0x0F84,
+	0x0F86, 0x0F87,
+	0x0F8D, 0x0F97,
+	0x0F99, 0x0FBC,
+	0x0FC6, 0x0FC6,
+	0x102D, 0x1030,
+	0x1032, 0x1037,
+	0x1039, 0x103A,
+	0x103D, 0x103E,
+	0x1058, 0x1059,
+	0x105E, 0x1060,
+	0x1071, 0x1074,
+	0x1082, 0x1082,
+	0x1085, 0x1086,
+	0x108D, 0x108D,
+	0x109D, 0x109D,
+	0x135D, 0x135F,
+	0x1712, 0x1714,
+	0x1732, 0x1733,
+	0x1752, 0x1753,
+	0x1772, 0x1773,
+	0x17B4, 0x17B5,
+	0x17B7, 0x17BD,
+	0x17C6, 0x17C6,
+	0x17C9, 0x17D3,
+	0x17DD, 0x17DD,
+	0x180B, 0x180D,
+	0x180F, 0x180F,
+	0x1885, 0x1886,
+	0x18A9, 0x18A9,
+	0x1920, 0x1922,
+	0x1927, 0x1928,
+	0x1932, 0x1932,
+	0x1939, 0x193B,
+	0x1A17, 0x1A18,
+	0x1A1B, 0x1A1B,
+	0x1A56, 0x1A56,
+	0x1A58, 0x1A5E,
+	0x1A60, 0x1A60,
+	0x1A62, 0x1A62,
+	0x1A65, 0x1A6C,
+	0x1A73, 0x1A7C,
+	0x1A7F, 0x1A7F,
+	0x1AB0, 0x1ABD,
+	0x1ABE, 0x1ABE,
+	0x1ABF, 0x1ACE,
+	0x1B00, 0x1B03,
+	0x1B34, 0x1B34,
+	0x1B35, 0x1B35,
+	0x1B36, 0x1B3A,
+	0x1B3C, 0x1B3C,
+	0x1B42, 0x1B42,
+	0x1B6B, 0x1B73,
+	0x1B80, 0x1B81,
+	0x1BA2, 0x1BA5,
+	0x1BA8, 0x1BA9,
+	0x1BAB, 0x1BAD,
+	0x1BE6, 0x1BE6,
+	0x1BE8, 0x1BE9,
+	0x1BED, 0x1BED,
+	0x1BEF, 0x1BF1,
+	0x1C2C, 0x1C33,
+	0x1C36, 0x1C37,
+	0x1CD0, 0x1CD2,
+	0x1CD4, 0x1CE0,
+	0x1CE2, 0x1CE8,
+	0x1CED, 0x1CED,
+	0x1CF4, 0x1CF4,
+	0x1CF8, 0x1CF9,
+	0x1DC0, 0x1DFF,
+	0x200C, 0x200C,
+	0x20D0, 0x20DC,
+	0x20DD, 0x20E0,
+	0x20E1, 0x20E1,
+	0x20E2, 0x20E4,
+	0x20E5, 0x20F0,
+	0x2CEF, 0x2CF1,
+	0x2D7F, 0x2D7F,
+	0x2DE0, 0x2DFF,
+	0x302A, 0x302D,
+	0x302E, 0x302F,
+	0x3099, 0x309A,
+	0xA66F, 0xA66F,
+	0xA670, 0xA672,
+	0xA674, 0xA67D,
+	0xA69E, 0xA69F,
+	0xA6F0, 0xA6F1,
+	0xA802, 0xA802,
+	0xA806, 0xA806,
+	0xA80B, 0xA80B,
+	0xA825, 0xA826,
+	0xA82C, 0xA82C,
+	0xA8C4, 0xA8C5,
+	0xA8E0, 0xA8F1,
+	0xA8FF, 0xA8FF,
+	0xA926, 0xA92D,
+	0xA947, 0xA951,
+	0xA980, 0xA982,
+	0xA9B3, 0xA9B3,
+	0xA9B6, 0xA9B9,
+	0xA9BC, 0xA9BD,
+	0xA9E5, 0xA9E5,
+	0xAA29, 0xAA2E,
+	0xAA31, 0xAA32,
+	0xAA35, 0xAA36,
+	0xAA43, 0xAA43,
+	0xAA4C, 0xAA4C,
+	0xAA7C, 0xAA7C,
+	0xAAB0, 0xAAB0,
+	0xAAB2, 0xAAB4,
+	0xAAB7, 0xAAB8,
+	0xAABE, 0xAABF,
+	0xAAC1, 0xAAC1,
+	0xAAEC, 0xAAED,
+	0xAAF6, 0xAAF6,
+	0xABE5, 0xABE5,
+	0xABE8, 0xABE8,
+	0xABED, 0xABED,
+	0xFB1E, 0xFB1E,
+	0xFE00, 0xFE0F,
+	0xFE20, 0xFE2F,
+	0xFF9E, 0xFF9F,
+	0x101FD, 0x101FD,
+	0x102E0, 0x102E0,
+	0x10376, 0x1037A,
+	0x10A01, 0x10A03,
+	0x10A05, 0x10A06,
+	0x10A0C, 0x10A0F,
+	0x10A38, 0x10A3A,
+	0x10A3F, 0x10A3F,
+	0x10AE5, 0x10AE6,
+	0x10D24, 0x10D27,
+	0x10EAB, 0x10EAC,
+	0x10EFD, 0x10EFF,
+	0x10F46, 0x10F50,
+	0x10F82, 0x10F85,
+	0x11001, 0x11001,
+	0x11038, 0x11046,
+	0x11070, 0x11070,
+	0x11073, 0x11074,
+	0x1107F, 0x11081,
+	0x110B3, 0x110B6,
+	0x110B9, 0x110BA,
+	0x110C2, 0x110C2,
+	0x11100, 0x11102,
+	0x11127, 0x1112B,
+	0x1112D, 0x11134,
+	0x11173, 0x11173,
+	0x11180, 0x11181,
+	0x111B6, 0x111BE,
+	0x111C9, 0x111CC,
+	0x111CF, 0x111CF,
+	0x1122F, 0x11231,
+	0x11234, 0x11234,
+	0x11236, 0x11237,
+	0x1123E, 0x1123E,
+	0x11241, 0x11241,
+	0x112DF, 0x112DF,
+	0x112E3, 0x112EA,
+	0x11300, 0x11301,
+	0x1133B, 0x1133C,
+	0x1133E, 0x1133E,
+	0x11340, 0x11340,
+	0x11357, 0x11357,
+	0x11366, 0x1136C,
+	0x11370, 0x11374,
+	0x11438, 0x1143F,
+	0x11442, 0x11444,
+	0x11446, 0x11446,
+	0x1145E, 0x1145E,
+	0x114B0, 0x114B0,
+	0x114B3, 0x114B8,
+	0x114BA, 0x114BA,
+	0x114BD, 0x114BD,
+	0x114BF, 0x114C0,
+	0x114C2, 0x114C3,
+	0x115AF, 0x115AF,
+	0x115B2, 0x115B5,
+	0x115BC, 0x115BD,
+	0x115BF, 0x115C0,
+	0x115DC, 0x115DD,
+	0x11633, 0x1163A,
+	0x1163D, 0x1163D,
+	0x1163F, 0x11640,
+	0x116AB, 0x116AB,
+	0x116AD, 0x116AD,
+	0x116B0, 0x116B5,
+	0x116B7, 0x116B7,
+	0x1171D, 0x1171F,
+	0x11722, 0x11725,
+	0x11727, 0x1172B,
+	0x1182F, 0x11837,
+	0x11839, 0x1183A,
+	0x11930, 0x11930,
+	0x1193B, 0x1193C,
+	0x1193E, 0x1193E,
+	0x11943, 0x11943,
+	0x119D4, 0x119D7,
+	0x119DA, 0x119DB,
+	0x119E0, 0x119E0,
+	0x11A01, 0x11A0A,
+	0x11A33, 0x11A38,
+	0x11A3B, 0x11A3E,
+	0x11A47, 0x11A47,
+	0x11A51, 0x11A56,
+	0x11A59, 0x11A5B,
+	0x11A8A, 0x11A96,
+	0x11A98, 0x11A99,
+	0x11C30, 0x11C36,
+	0x11C38, 0x11C3D,
+	0x11C3F, 0x11C3F,
+	0x11C92, 0x11CA7,
+	0x11CAA, 0x11CB0,
+	0x11CB2, 0x11CB3,
+	0x11CB5, 0x11CB6,
+	0x11D31, 0x11D36,
+	0x11D3A, 0x11D3A,
+	0x11D3C, 0x11D3D,
+	0x11D3F, 0x11D45,
+	0x11D47, 0x11D47,
+	0x11D90, 0x11D91,
+	0x11D95, 0x11D95,
+	0x11D97, 0x11D97,
+	0x11EF3, 0x11EF4,
+	0x11F00, 0x11F01,
+	0x11F36, 0x11F3A,
+	0x11F40, 0x11F40,
+	0x11F42, 0x11F42,
+	0x13440, 0x13440,
+	0x13447, 0x13455,
+	0x16AF0, 0x16AF4,
+	0x16B30, 0x16B36,
+	0x16F4F, 0x16F4F,
+	0x16F8F, 0x16F92,
+	0x16FE4, 0x16FE4,
+	0x1BC9D, 0x1BC9E,
+	0x1CF00, 0x1CF2D,
+	0x1CF30, 0x1CF46,
+	0x1D165, 0x1D165,
+	0x1D167, 0x1D169,
+	0x1D16E, 0x1D172,
+	0x1D17B, 0x1D182,
+	0x1D185, 0x1D18B,
+	0x1D1AA, 0x1D1AD,
+	0x1D242, 0x1D244,
+	0x1DA00, 0x1DA36,
+	0x1DA3B, 0x1DA6C,
+	0x1DA75, 0x1DA75,
+	0x1DA84, 0x1DA84,
+	0x1DA9B, 0x1DA9F,
+	0x1DAA1, 0x1DAAF,
+	0x1E000, 0x1E006,
+	0x1E008, 0x1E018,
+	0x1E01B, 0x1E021,
+	0x1E023, 0x1E024,
+	0x1E026, 0x1E02A,
+	0x1E08F, 0x1E08F,
+	0x1E130, 0x1E136,
+	0x1E2AE, 0x1E2AE,
+	0x1E2EC, 0x1E2EF,
+	0x1E4EC, 0x1E4EF,
+	0x1E8D0, 0x1E8D6,
+	0x1E944, 0x1E94A,
+	0xE0020, 0xE007F,
+	0xE0100, 0xE01EF,
+};
+
+static const int32_t ucg_hangul_syllable_lv_singlets[] = {
+	0xAC00,
+	0xAC1C,
+	0xAC38,
+	0xAC54,
+	0xAC70,
+	0xAC8C,
+	0xACA8,
+	0xACC4,
+	0xACE0,
+	0xACFC,
+	0xAD18,
+	0xAD34,
+	0xAD50,
+	0xAD6C,
+	0xAD88,
+	0xADA4,
+	0xADC0,
+	0xADDC,
+	0xADF8,
+	0xAE14,
+	0xAE30,
+	0xAE4C,
+	0xAE68,
+	0xAE84,
+	0xAEA0,
+	0xAEBC,
+	0xAED8,
+	0xAEF4,
+	0xAF10,
+	0xAF2C,
+	0xAF48,
+	0xAF64,
+	0xAF80,
+	0xAF9C,
+	0xAFB8,
+	0xAFD4,
+	0xAFF0,
+	0xB00C,
+	0xB028,
+	0xB044,
+	0xB060,
+	0xB07C,
+	0xB098,
+	0xB0B4,
+	0xB0D0,
+	0xB0EC,
+	0xB108,
+	0xB124,
+	0xB140,
+	0xB15C,
+	0xB178,
+	0xB194,
+	0xB1B0,
+	0xB1CC,
+	0xB1E8,
+	0xB204,
+	0xB220,
+	0xB23C,
+	0xB258,
+	0xB274,
+	0xB290,
+	0xB2AC,
+	0xB2C8,
+	0xB2E4,
+	0xB300,
+	0xB31C,
+	0xB338,
+	0xB354,
+	0xB370,
+	0xB38C,
+	0xB3A8,
+	0xB3C4,
+	0xB3E0,
+	0xB3FC,
+	0xB418,
+	0xB434,
+	0xB450,
+	0xB46C,
+	0xB488,
+	0xB4A4,
+	0xB4C0,
+	0xB4DC,
+	0xB4F8,
+	0xB514,
+	0xB530,
+	0xB54C,
+	0xB568,
+	0xB584,
+	0xB5A0,
+	0xB5BC,
+	0xB5D8,
+	0xB5F4,
+	0xB610,
+	0xB62C,
+	0xB648,
+	0xB664,
+	0xB680,
+	0xB69C,
+	0xB6B8,
+	0xB6D4,
+	0xB6F0,
+	0xB70C,
+	0xB728,
+	0xB744,
+	0xB760,
+	0xB77C,
+	0xB798,
+	0xB7B4,
+	0xB7D0,
+	0xB7EC,
+	0xB808,
+	0xB824,
+	0xB840,
+	0xB85C,
+	0xB878,
+	0xB894,
+	0xB8B0,
+	0xB8CC,
+	0xB8E8,
+	0xB904,
+	0xB920,
+	0xB93C,
+	0xB958,
+	0xB974,
+	0xB990,
+	0xB9AC,
+	0xB9C8,
+	0xB9E4,
+	0xBA00,
+	0xBA1C,
+	0xBA38,
+	0xBA54,
+	0xBA70,
+	0xBA8C,
+	0xBAA8,
+	0xBAC4,
+	0xBAE0,
+	0xBAFC,
+	0xBB18,
+	0xBB34,
+	0xBB50,
+	0xBB6C,
+	0xBB88,
+	0xBBA4,
+	0xBBC0,
+	0xBBDC,
+	0xBBF8,
+	0xBC14,
+	0xBC30,
+	0xBC4C,
+	0xBC68,
+	0xBC84,
+	0xBCA0,
+	0xBCBC,
+	0xBCD8,
+	0xBCF4,
+	0xBD10,
+	0xBD2C,
+	0xBD48,
+	0xBD64,
+	0xBD80,
+	0xBD9C,
+	0xBDB8,
+	0xBDD4,
+	0xBDF0,
+	0xBE0C,
+	0xBE28,
+	0xBE44,
+	0xBE60,
+	0xBE7C,
+	0xBE98,
+	0xBEB4,
+	0xBED0,
+	0xBEEC,
+	0xBF08,
+	0xBF24,
+	0xBF40,
+	0xBF5C,
+	0xBF78,
+	0xBF94,
+	0xBFB0,
+	0xBFCC,
+	0xBFE8,
+	0xC004,
+	0xC020,
+	0xC03C,
+	0xC058,
+	0xC074,
+	0xC090,
+	0xC0AC,
+	0xC0C8,
+	0xC0E4,
+	0xC100,
+	0xC11C,
+	0xC138,
+	0xC154,
+	0xC170,
+	0xC18C,
+	0xC1A8,
+	0xC1C4,
+	0xC1E0,
+	0xC1FC,
+	0xC218,
+	0xC234,
+	0xC250,
+	0xC26C,
+	0xC288,
+	0xC2A4,
+	0xC2C0,
+	0xC2DC,
+	0xC2F8,
+	0xC314,
+	0xC330,
+	0xC34C,
+	0xC368,
+	0xC384,
+	0xC3A0,
+	0xC3BC,
+	0xC3D8,
+	0xC3F4,
+	0xC410,
+	0xC42C,
+	0xC448,
+	0xC464,
+	0xC480,
+	0xC49C,
+	0xC4B8,
+	0xC4D4,
+	0xC4F0,
+	0xC50C,
+	0xC528,
+	0xC544,
+	0xC560,
+	0xC57C,
+	0xC598,
+	0xC5B4,
+	0xC5D0,
+	0xC5EC,
+	0xC608,
+	0xC624,
+	0xC640,
+	0xC65C,
+	0xC678,
+	0xC694,
+	0xC6B0,
+	0xC6CC,
+	0xC6E8,
+	0xC704,
+	0xC720,
+	0xC73C,
+	0xC758,
+	0xC774,
+	0xC790,
+	0xC7AC,
+	0xC7C8,
+	0xC7E4,
+	0xC800,
+	0xC81C,
+	0xC838,
+	0xC854,
+	0xC870,
+	0xC88C,
+	0xC8A8,
+	0xC8C4,
+	0xC8E0,
+	0xC8FC,
+	0xC918,
+	0xC934,
+	0xC950,
+	0xC96C,
+	0xC988,
+	0xC9A4,
+	0xC9C0,
+	0xC9DC,
+	0xC9F8,
+	0xCA14,
+	0xCA30,
+	0xCA4C,
+	0xCA68,
+	0xCA84,
+	0xCAA0,
+	0xCABC,
+	0xCAD8,
+	0xCAF4,
+	0xCB10,
+	0xCB2C,
+	0xCB48,
+	0xCB64,
+	0xCB80,
+	0xCB9C,
+	0xCBB8,
+	0xCBD4,
+	0xCBF0,
+	0xCC0C,
+	0xCC28,
+	0xCC44,
+	0xCC60,
+	0xCC7C,
+	0xCC98,
+	0xCCB4,
+	0xCCD0,
+	0xCCEC,
+	0xCD08,
+	0xCD24,
+	0xCD40,
+	0xCD5C,
+	0xCD78,
+	0xCD94,
+	0xCDB0,
+	0xCDCC,
+	0xCDE8,
+	0xCE04,
+	0xCE20,
+	0xCE3C,
+	0xCE58,
+	0xCE74,
+	0xCE90,
+	0xCEAC,
+	0xCEC8,
+	0xCEE4,
+	0xCF00,
+	0xCF1C,
+	0xCF38,
+	0xCF54,
+	0xCF70,
+	0xCF8C,
+	0xCFA8,
+	0xCFC4,
+	0xCFE0,
+	0xCFFC,
+	0xD018,
+	0xD034,
+	0xD050,
+	0xD06C,
+	0xD088,
+	0xD0A4,
+	0xD0C0,
+	0xD0DC,
+	0xD0F8,
+	0xD114,
+	0xD130,
+	0xD14C,
+	0xD168,
+	0xD184,
+	0xD1A0,
+	0xD1BC,
+	0xD1D8,
+	0xD1F4,
+	0xD210,
+	0xD22C,
+	0xD248,
+	0xD264,
+	0xD280,
+	0xD29C,
+	0xD2B8,
+	0xD2D4,
+	0xD2F0,
+	0xD30C,
+	0xD328,
+	0xD344,
+	0xD360,
+	0xD37C,
+	0xD398,
+	0xD3B4,
+	0xD3D0,
+	0xD3EC,
+	0xD408,
+	0xD424,
+	0xD440,
+	0xD45C,
+	0xD478,
+	0xD494,
+	0xD4B0,
+	0xD4CC,
+	0xD4E8,
+	0xD504,
+	0xD520,
+	0xD53C,
+	0xD558,
+	0xD574,
+	0xD590,
+	0xD5AC,
+	0xD5C8,
+	0xD5E4,
+	0xD600,
+	0xD61C,
+	0xD638,
+	0xD654,
+	0xD670,
+	0xD68C,
+	0xD6A8,
+	0xD6C4,
+	0xD6E0,
+	0xD6FC,
+	0xD718,
+	0xD734,
+	0xD750,
+	0xD76C,
+	0xD788,
+};
+
+static const int32_t ucg_hangul_syllable_lvt_ranges[] = {
+	0xAC01, 0xAC1B,
+	0xAC1D, 0xAC37,
+	0xAC39, 0xAC53,
+	0xAC55, 0xAC6F,
+	0xAC71, 0xAC8B,
+	0xAC8D, 0xACA7,
+	0xACA9, 0xACC3,
+	0xACC5, 0xACDF,
+	0xACE1, 0xACFB,
+	0xACFD, 0xAD17,
+	0xAD19, 0xAD33,
+	0xAD35, 0xAD4F,
+	0xAD51, 0xAD6B,
+	0xAD6D, 0xAD87,
+	0xAD89, 0xADA3,
+	0xADA5, 0xADBF,
+	0xADC1, 0xADDB,
+	0xADDD, 0xADF7,
+	0xADF9, 0xAE13,
+	0xAE15, 0xAE2F,
+	0xAE31, 0xAE4B,
+	0xAE4D, 0xAE67,
+	0xAE69, 0xAE83,
+	0xAE85, 0xAE9F,
+	0xAEA1, 0xAEBB,
+	0xAEBD, 0xAED7,
+	0xAED9, 0xAEF3,
+	0xAEF5, 0xAF0F,
+	0xAF11, 0xAF2B,
+	0xAF2D, 0xAF47,
+	0xAF49, 0xAF63,
+	0xAF65, 0xAF7F,
+	0xAF81, 0xAF9B,
+	0xAF9D, 0xAFB7,
+	0xAFB9, 0xAFD3,
+	0xAFD5, 0xAFEF,
+	0xAFF1, 0xB00B,
+	0xB00D, 0xB027,
+	0xB029, 0xB043,
+	0xB045, 0xB05F,
+	0xB061, 0xB07B,
+	0xB07D, 0xB097,
+	0xB099, 0xB0B3,
+	0xB0B5, 0xB0CF,
+	0xB0D1, 0xB0EB,
+	0xB0ED, 0xB107,
+	0xB109, 0xB123,
+	0xB125, 0xB13F,
+	0xB141, 0xB15B,
+	0xB15D, 0xB177,
+	0xB179, 0xB193,
+	0xB195, 0xB1AF,
+	0xB1B1, 0xB1CB,
+	0xB1CD, 0xB1E7,
+	0xB1E9, 0xB203,
+	0xB205, 0xB21F,
+	0xB221, 0xB23B,
+	0xB23D, 0xB257,
+	0xB259, 0xB273,
+	0xB275, 0xB28F,
+	0xB291, 0xB2AB,
+	0xB2AD, 0xB2C7,
+	0xB2C9, 0xB2E3,
+	0xB2E5, 0xB2FF,
+	0xB301, 0xB31B,
+	0xB31D, 0xB337,
+	0xB339, 0xB353,
+	0xB355, 0xB36F,
+	0xB371, 0xB38B,
+	0xB38D, 0xB3A7,
+	0xB3A9, 0xB3C3,
+	0xB3C5, 0xB3DF,
+	0xB3E1, 0xB3FB,
+	0xB3FD, 0xB417,
+	0xB419, 0xB433,
+	0xB435, 0xB44F,
+	0xB451, 0xB46B,
+	0xB46D, 0xB487,
+	0xB489, 0xB4A3,
+	0xB4A5, 0xB4BF,
+	0xB4C1, 0xB4DB,
+	0xB4DD, 0xB4F7,
+	0xB4F9, 0xB513,
+	0xB515, 0xB52F,
+	0xB531, 0xB54B,
+	0xB54D, 0xB567,
+	0xB569, 0xB583,
+	0xB585, 0xB59F,
+	0xB5A1, 0xB5BB,
+	0xB5BD, 0xB5D7,
+	0xB5D9, 0xB5F3,
+	0xB5F5, 0xB60F,
+	0xB611, 0xB62B,
+	0xB62D, 0xB647,
+	0xB649, 0xB663,
+	0xB665, 0xB67F,
+	0xB681, 0xB69B,
+	0xB69D, 0xB6B7,
+	0xB6B9, 0xB6D3,
+	0xB6D5, 0xB6EF,
+	0xB6F1, 0xB70B,
+	0xB70D, 0xB727,
+	0xB729, 0xB743,
+	0xB745, 0xB75F,
+	0xB761, 0xB77B,
+	0xB77D, 0xB797,
+	0xB799, 0xB7B3,
+	0xB7B5, 0xB7CF,
+	0xB7D1, 0xB7EB,
+	0xB7ED, 0xB807,
+	0xB809, 0xB823,
+	0xB825, 0xB83F,
+	0xB841, 0xB85B,
+	0xB85D, 0xB877,
+	0xB879, 0xB893,
+	0xB895, 0xB8AF,
+	0xB8B1, 0xB8CB,
+	0xB8CD, 0xB8E7,
+	0xB8E9, 0xB903,
+	0xB905, 0xB91F,
+	0xB921, 0xB93B,
+	0xB93D, 0xB957,
+	0xB959, 0xB973,
+	0xB975, 0xB98F,
+	0xB991, 0xB9AB,
+	0xB9AD, 0xB9C7,
+	0xB9C9, 0xB9E3,
+	0xB9E5, 0xB9FF,
+	0xBA01, 0xBA1B,
+	0xBA1D, 0xBA37,
+	0xBA39, 0xBA53,
+	0xBA55, 0xBA6F,
+	0xBA71, 0xBA8B,
+	0xBA8D, 0xBAA7,
+	0xBAA9, 0xBAC3,
+	0xBAC5, 0xBADF,
+	0xBAE1, 0xBAFB,
+	0xBAFD, 0xBB17,
+	0xBB19, 0xBB33,
+	0xBB35, 0xBB4F,
+	0xBB51, 0xBB6B,
+	0xBB6D, 0xBB87,
+	0xBB89, 0xBBA3,
+	0xBBA5, 0xBBBF,
+	0xBBC1, 0xBBDB,
+	0xBBDD, 0xBBF7,
+	0xBBF9, 0xBC13,
+	0xBC15, 0xBC2F,
+	0xBC31, 0xBC4B,
+	0xBC4D, 0xBC67,
+	0xBC69, 0xBC83,
+	0xBC85, 0xBC9F,
+	0xBCA1, 0xBCBB,
+	0xBCBD, 0xBCD7,
+	0xBCD9, 0xBCF3,
+	0xBCF5, 0xBD0F,
+	0xBD11, 0xBD2B,
+	0xBD2D, 0xBD47,
+	0xBD49, 0xBD63,
+	0xBD65, 0xBD7F,
+	0xBD81, 0xBD9B,
+	0xBD9D, 0xBDB7,
+	0xBDB9, 0xBDD3,
+	0xBDD5, 0xBDEF,
+	0xBDF1, 0xBE0B,
+	0xBE0D, 0xBE27,
+	0xBE29, 0xBE43,
+	0xBE45, 0xBE5F,
+	0xBE61, 0xBE7B,
+	0xBE7D, 0xBE97,
+	0xBE99, 0xBEB3,
+	0xBEB5, 0xBECF,
+	0xBED1, 0xBEEB,
+	0xBEED, 0xBF07,
+	0xBF09, 0xBF23,
+	0xBF25, 0xBF3F,
+	0xBF41, 0xBF5B,
+	0xBF5D, 0xBF77,
+	0xBF79, 0xBF93,
+	0xBF95, 0xBFAF,
+	0xBFB1, 0xBFCB,
+	0xBFCD, 0xBFE7,
+	0xBFE9, 0xC003,
+	0xC005, 0xC01F,
+	0xC021, 0xC03B,
+	0xC03D, 0xC057,
+	0xC059, 0xC073,
+	0xC075, 0xC08F,
+	0xC091, 0xC0AB,
+	0xC0AD, 0xC0C7,
+	0xC0C9, 0xC0E3,
+	0xC0E5, 0xC0FF,
+	0xC101, 0xC11B,
+	0xC11D, 0xC137,
+	0xC139, 0xC153,
+	0xC155, 0xC16F,
+	0xC171, 0xC18B,
+	0xC18D, 0xC1A7,
+	0xC1A9, 0xC1C3,
+	0xC1C5, 0xC1DF,
+	0xC1E1, 0xC1FB,
+	0xC1FD, 0xC217,
+	0xC219, 0xC233,
+	0xC235, 0xC24F,
+	0xC251, 0xC26B,
+	0xC26D, 0xC287,
+	0xC289, 0xC2A3,
+	0xC2A5, 0xC2BF,
+	0xC2C1, 0xC2DB,
+	0xC2DD, 0xC2F7,
+	0xC2F9, 0xC313,
+	0xC315, 0xC32F,
+	0xC331, 0xC34B,
+	0xC34D, 0xC367,
+	0xC369, 0xC383,
+	0xC385, 0xC39F,
+	0xC3A1, 0xC3BB,
+	0xC3BD, 0xC3D7,
+	0xC3D9, 0xC3F3,
+	0xC3F5, 0xC40F,
+	0xC411, 0xC42B,
+	0xC42D, 0xC447,
+	0xC449, 0xC463,
+	0xC465, 0xC47F,
+	0xC481, 0xC49B,
+	0xC49D, 0xC4B7,
+	0xC4B9, 0xC4D3,
+	0xC4D5, 0xC4EF,
+	0xC4F1, 0xC50B,
+	0xC50D, 0xC527,
+	0xC529, 0xC543,
+	0xC545, 0xC55F,
+	0xC561, 0xC57B,
+	0xC57D, 0xC597,
+	0xC599, 0xC5B3,
+	0xC5B5, 0xC5CF,
+	0xC5D1, 0xC5EB,
+	0xC5ED, 0xC607,
+	0xC609, 0xC623,
+	0xC625, 0xC63F,
+	0xC641, 0xC65B,
+	0xC65D, 0xC677,
+	0xC679, 0xC693,
+	0xC695, 0xC6AF,
+	0xC6B1, 0xC6CB,
+	0xC6CD, 0xC6E7,
+	0xC6E9, 0xC703,
+	0xC705, 0xC71F,
+	0xC721, 0xC73B,
+	0xC73D, 0xC757,
+	0xC759, 0xC773,
+	0xC775, 0xC78F,
+	0xC791, 0xC7AB,
+	0xC7AD, 0xC7C7,
+	0xC7C9, 0xC7E3,
+	0xC7E5, 0xC7FF,
+	0xC801, 0xC81B,
+	0xC81D, 0xC837,
+	0xC839, 0xC853,
+	0xC855, 0xC86F,
+	0xC871, 0xC88B,
+	0xC88D, 0xC8A7,
+	0xC8A9, 0xC8C3,
+	0xC8C5, 0xC8DF,
+	0xC8E1, 0xC8FB,
+	0xC8FD, 0xC917,
+	0xC919, 0xC933,
+	0xC935, 0xC94F,
+	0xC951, 0xC96B,
+	0xC96D, 0xC987,
+	0xC989, 0xC9A3,
+	0xC9A5, 0xC9BF,
+	0xC9C1, 0xC9DB,
+	0xC9DD, 0xC9F7,
+	0xC9F9, 0xCA13,
+	0xCA15, 0xCA2F,
+	0xCA31, 0xCA4B,
+	0xCA4D, 0xCA67,
+	0xCA69, 0xCA83,
+	0xCA85, 0xCA9F,
+	0xCAA1, 0xCABB,
+	0xCABD, 0xCAD7,
+	0xCAD9, 0xCAF3,
+	0xCAF5, 0xCB0F,
+	0xCB11, 0xCB2B,
+	0xCB2D, 0xCB47,
+	0xCB49, 0xCB63,
+	0xCB65, 0xCB7F,
+	0xCB81, 0xCB9B,
+	0xCB9D, 0xCBB7,
+	0xCBB9, 0xCBD3,
+	0xCBD5, 0xCBEF,
+	0xCBF1, 0xCC0B,
+	0xCC0D, 0xCC27,
+	0xCC29, 0xCC43,
+	0xCC45, 0xCC5F,
+	0xCC61, 0xCC7B,
+	0xCC7D, 0xCC97,
+	0xCC99, 0xCCB3,
+	0xCCB5, 0xCCCF,
+	0xCCD1, 0xCCEB,
+	0xCCED, 0xCD07,
+	0xCD09, 0xCD23,
+	0xCD25, 0xCD3F,
+	0xCD41, 0xCD5B,
+	0xCD5D, 0xCD77,
+	0xCD79, 0xCD93,
+	0xCD95, 0xCDAF,
+	0xCDB1, 0xCDCB,
+	0xCDCD, 0xCDE7,
+	0xCDE9, 0xCE03,
+	0xCE05, 0xCE1F,
+	0xCE21, 0xCE3B,
+	0xCE3D, 0xCE57,
+	0xCE59, 0xCE73,
+	0xCE75, 0xCE8F,
+	0xCE91, 0xCEAB,
+	0xCEAD, 0xCEC7,
+	0xCEC9, 0xCEE3,
+	0xCEE5, 0xCEFF,
+	0xCF01, 0xCF1B,
+	0xCF1D, 0xCF37,
+	0xCF39, 0xCF53,
+	0xCF55, 0xCF6F,
+	0xCF71, 0xCF8B,
+	0xCF8D, 0xCFA7,
+	0xCFA9, 0xCFC3,
+	0xCFC5, 0xCFDF,
+	0xCFE1, 0xCFFB,
+	0xCFFD, 0xD017,
+	0xD019, 0xD033,
+	0xD035, 0xD04F,
+	0xD051, 0xD06B,
+	0xD06D, 0xD087,
+	0xD089, 0xD0A3,
+	0xD0A5, 0xD0BF,
+	0xD0C1, 0xD0DB,
+	0xD0DD, 0xD0F7,
+	0xD0F9, 0xD113,
+	0xD115, 0xD12F,
+	0xD131, 0xD14B,
+	0xD14D, 0xD167,
+	0xD169, 0xD183,
+	0xD185, 0xD19F,
+	0xD1A1, 0xD1BB,
+	0xD1BD, 0xD1D7,
+	0xD1D9, 0xD1F3,
+	0xD1F5, 0xD20F,
+	0xD211, 0xD22B,
+	0xD22D, 0xD247,
+	0xD249, 0xD263,
+	0xD265, 0xD27F,
+	0xD281, 0xD29B,
+	0xD29D, 0xD2B7,
+	0xD2B9, 0xD2D3,
+	0xD2D5, 0xD2EF,
+	0xD2F1, 0xD30B,
+	0xD30D, 0xD327,
+	0xD329, 0xD343,
+	0xD345, 0xD35F,
+	0xD361, 0xD37B,
+	0xD37D, 0xD397,
+	0xD399, 0xD3B3,
+	0xD3B5, 0xD3CF,
+	0xD3D1, 0xD3EB,
+	0xD3ED, 0xD407,
+	0xD409, 0xD423,
+	0xD425, 0xD43F,
+	0xD441, 0xD45B,
+	0xD45D, 0xD477,
+	0xD479, 0xD493,
+	0xD495, 0xD4AF,
+	0xD4B1, 0xD4CB,
+	0xD4CD, 0xD4E7,
+	0xD4E9, 0xD503,
+	0xD505, 0xD51F,
+	0xD521, 0xD53B,
+	0xD53D, 0xD557,
+	0xD559, 0xD573,
+	0xD575, 0xD58F,
+	0xD591, 0xD5AB,
+	0xD5AD, 0xD5C7,
+	0xD5C9, 0xD5E3,
+	0xD5E5, 0xD5FF,
+	0xD601, 0xD61B,
+	0xD61D, 0xD637,
+	0xD639, 0xD653,
+	0xD655, 0xD66F,
+	0xD671, 0xD68B,
+	0xD68D, 0xD6A7,
+	0xD6A9, 0xD6C3,
+	0xD6C5, 0xD6DF,
+	0xD6E1, 0xD6FB,
+	0xD6FD, 0xD717,
+	0xD719, 0xD733,
+	0xD735, 0xD74F,
+	0xD751, 0xD76B,
+	0xD76D, 0xD787,
+	0xD789, 0xD7A3,
+};
+
+static const int32_t ucg_indic_conjunct_break_consonant_ranges[] = {
+	0x0915, 0x0939,
+	0x0958, 0x095F,
+	0x0978, 0x097F,
+	0x0995, 0x09A8,
+	0x09AA, 0x09B0,
+	0x09B2, 0x09B2,
+	0x09B6, 0x09B9,
+	0x09DC, 0x09DD,
+	0x09DF, 0x09DF,
+	0x09F0, 0x09F1,
+	0x0A95, 0x0AA8,
+	0x0AAA, 0x0AB0,
+	0x0AB2, 0x0AB3,
+	0x0AB5, 0x0AB9,
+	0x0AF9, 0x0AF9,
+	0x0B15, 0x0B28,
+	0x0B2A, 0x0B30,
+	0x0B32, 0x0B33,
+	0x0B35, 0x0B39,
+	0x0B5C, 0x0B5D,
+	0x0B5F, 0x0B5F,
+	0x0B71, 0x0B71,
+	0x0C15, 0x0C28,
+	0x0C2A, 0x0C39,
+	0x0C58, 0x0C5A,
+	0x0D15, 0x0D3A,
+};
+
+static const int32_t ucg_indic_conjunct_break_extend_ranges[] = {
+	0x0300, 0x034E,
+	0x0350, 0x036F,
+	0x0483, 0x0487,
+	0x0591, 0x05BD,
+	0x05BF, 0x05BF,
+	0x05C1, 0x05C2,
+	0x05C4, 0x05C5,
+	0x05C7, 0x05C7,
+	0x0610, 0x061A,
+	0x064B, 0x065F,
+	0x0670, 0x0670,
+	0x06D6, 0x06DC,
+	0x06DF, 0x06E4,
+	0x06E7, 0x06E8,
+	0x06EA, 0x06ED,
+	0x0711, 0x0711,
+	0x0730, 0x074A,
+	0x07EB, 0x07F3,
+	0x07FD, 0x07FD,
+	0x0816, 0x0819,
+	0x081B, 0x0823,
+	0x0825, 0x0827,
+	0x0829, 0x082D,
+	0x0859, 0x085B,
+	0x0898, 0x089F,
+	0x08CA, 0x08E1,
+	0x08E3, 0x08FF,
+	0x093C, 0x093C,
+	0x0951, 0x0954,
+	0x09BC, 0x09BC,
+	0x09FE, 0x09FE,
+	0x0A3C, 0x0A3C,
+	0x0ABC, 0x0ABC,
+	0x0B3C, 0x0B3C,
+	0x0C3C, 0x0C3C,
+	0x0C55, 0x0C56,
+	0x0CBC, 0x0CBC,
+	0x0D3B, 0x0D3C,
+	0x0E38, 0x0E3A,
+	0x0E48, 0x0E4B,
+	0x0EB8, 0x0EBA,
+	0x0EC8, 0x0ECB,
+	0x0F18, 0x0F19,
+	0x0F35, 0x0F35,
+	0x0F37, 0x0F37,
+	0x0F39, 0x0F39,
+	0x0F71, 0x0F72,
+	0x0F74, 0x0F74,
+	0x0F7A, 0x0F7D,
+	0x0F80, 0x0F80,
+	0x0F82, 0x0F84,
+	0x0F86, 0x0F87,
+	0x0FC6, 0x0FC6,
+	0x1037, 0x1037,
+	0x1039, 0x103A,
+	0x108D, 0x108D,
+	0x135D, 0x135F,
+	0x1714, 0x1714,
+	0x17D2, 0x17D2,
+	0x17DD, 0x17DD,
+	0x18A9, 0x18A9,
+	0x1939, 0x193B,
+	0x1A17, 0x1A18,
+	0x1A60, 0x1A60,
+	0x1A75, 0x1A7C,
+	0x1A7F, 0x1A7F,
+	0x1AB0, 0x1ABD,
+	0x1ABF, 0x1ACE,
+	0x1B34, 0x1B34,
+	0x1B6B, 0x1B73,
+	0x1BAB, 0x1BAB,
+	0x1BE6, 0x1BE6,
+	0x1C37, 0x1C37,
+	0x1CD0, 0x1CD2,
+	0x1CD4, 0x1CE0,
+	0x1CE2, 0x1CE8,
+	0x1CED, 0x1CED,
+	0x1CF4, 0x1CF4,
+	0x1CF8, 0x1CF9,
+	0x1DC0, 0x1DFF,
+	0x200D, 0x200D,
+	0x20D0, 0x20DC,
+	0x20E1, 0x20E1,
+	0x20E5, 0x20F0,
+	0x2CEF, 0x2CF1,
+	0x2D7F, 0x2D7F,
+	0x2DE0, 0x2DFF,
+	0x302A, 0x302D,
+	0x302E, 0x302F,
+	0x3099, 0x309A,
+	0xA66F, 0xA66F,
+	0xA674, 0xA67D,
+	0xA69E, 0xA69F,
+	0xA6F0, 0xA6F1,
+	0xA82C, 0xA82C,
+	0xA8E0, 0xA8F1,
+	0xA92B, 0xA92D,
+	0xA9B3, 0xA9B3,
+	0xAAB0, 0xAAB0,
+	0xAAB2, 0xAAB4,
+	0xAAB7, 0xAAB8,
+	0xAABE, 0xAABF,
+	0xAAC1, 0xAAC1,
+	0xAAF6, 0xAAF6,
+	0xABED, 0xABED,
+	0xFB1E, 0xFB1E,
+	0xFE20, 0xFE2F,
+	0x101FD, 0x101FD,
+	0x102E0, 0x102E0,
+	0x10376, 0x1037A,
+	0x10A0D, 0x10A0D,
+	0x10A0F, 0x10A0F,
+	0x10A38, 0x10A3A,
+	0x10A3F, 0x10A3F,
+	0x10AE5, 0x10AE6,
+	0x10D24, 0x10D27,
+	0x10EAB, 0x10EAC,
+	0x10EFD, 0x10EFF,
+	0x10F46, 0x10F50,
+	0x10F82, 0x10F85,
+	0x11070, 0x11070,
+	0x1107F, 0x1107F,
+	0x110BA, 0x110BA,
+	0x11100, 0x11102,
+	0x11133, 0x11134,
+	0x11173, 0x11173,
+	0x111CA, 0x111CA,
+	0x11236, 0x11236,
+	0x112E9, 0x112EA,
+	0x1133B, 0x1133C,
+	0x11366, 0x1136C,
+	0x11370, 0x11374,
+	0x11446, 0x11446,
+	0x1145E, 0x1145E,
+	0x114C3, 0x114C3,
+	0x115C0, 0x115C0,
+	0x116B7, 0x116B7,
+	0x1172B, 0x1172B,
+	0x1183A, 0x1183A,
+	0x1193E, 0x1193E,
+	0x11943, 0x11943,
+	0x11A34, 0x11A34,
+	0x11A47, 0x11A47,
+	0x11A99, 0x11A99,
+	0x11D42, 0x11D42,
+	0x11D44, 0x11D45,
+	0x11D97, 0x11D97,
+	0x11F42, 0x11F42,
+	0x16AF0, 0x16AF4,
+	0x16B30, 0x16B36,
+	0x1BC9E, 0x1BC9E,
+	0x1D165, 0x1D165,
+	0x1D167, 0x1D169,
+	0x1D16E, 0x1D172,
+	0x1D17B, 0x1D182,
+	0x1D185, 0x1D18B,
+	0x1D1AA, 0x1D1AD,
+	0x1D242, 0x1D244,
+	0x1E000, 0x1E006,
+	0x1E008, 0x1E018,
+	0x1E01B, 0x1E021,
+	0x1E023, 0x1E024,
+	0x1E026, 0x1E02A,
+	0x1E08F, 0x1E08F,
+	0x1E130, 0x1E136,
+	0x1E2AE, 0x1E2AE,
+	0x1E2EC, 0x1E2EF,
+	0x1E4EC, 0x1E4EF,
+	0x1E8D0, 0x1E8D6,
+	0x1E944, 0x1E94A,
+};
+
+// Fullwidth (F) and Wide (W) are counted as 2.
+// Everything else is 1.
+//
+// Derived from: https://unicode.org/Public/15.1.0/ucd/EastAsianWidth.txt
+static const int32_t ucg_normalized_east_asian_width_ranges[] = {
+	0x0000, 0x10FF, 1,
+	0x1100, 0x115F, 2,
+	0x1160, 0x2319, 1,
+	0x231A, 0x231B, 2,
+	0x231C, 0x2328, 1,
+	0x2329, 0x232A, 2,
+	0x232B, 0x23E8, 1,
+	0x23E9, 0x23EC, 2,
+	0x23ED, 0x23EF, 1,
+	0x23F0, 0x23F0, 2,
+	0x23F1, 0x23F2, 1,
+	0x23F3, 0x23F3, 2,
+	0x23F4, 0x25FC, 1,
+	0x25FD, 0x25FE, 2,
+	0x25FF, 0x2613, 1,
+	0x2614, 0x2615, 2,
+	0x2616, 0x2647, 1,
+	0x2648, 0x2653, 2,
+	0x2654, 0x267E, 1,
+	0x267F, 0x267F, 2,
+	0x2680, 0x2692, 1,
+	0x2693, 0x2693, 2,
+	0x2694, 0x26A0, 1,
+	0x26A1, 0x26A1, 2,
+	0x26A2, 0x26A9, 1,
+	0x26AA, 0x26AB, 2,
+	0x26AC, 0x26BC, 1,
+	0x26BD, 0x26BE, 2,
+	0x26BF, 0x26C3, 1,
+	0x26C4, 0x26C5, 2,
+	0x26C6, 0x26CD, 1,
+	0x26CE, 0x26CE, 2,
+	0x26CF, 0x26D3, 1,
+	0x26D4, 0x26D4, 2,
+	0x26D5, 0x26E9, 1,
+	0x26EA, 0x26EA, 2,
+	0x26EB, 0x26F1, 1,
+	0x26F2, 0x26F3, 2,
+	0x26F4, 0x26F4, 1,
+	0x26F5, 0x26F5, 2,
+	0x26F6, 0x26F9, 1,
+	0x26FA, 0x26FA, 2,
+	0x26FB, 0x26FC, 1,
+	0x26FD, 0x26FD, 2,
+	0x26FE, 0x2704, 1,
+	0x2705, 0x2705, 2,
+	0x2706, 0x2709, 1,
+	0x270A, 0x270B, 2,
+	0x270C, 0x2727, 1,
+	0x2728, 0x2728, 2,
+	0x2729, 0x274B, 1,
+	0x274C, 0x274C, 2,
+	0x274D, 0x274D, 1,
+	0x274E, 0x274E, 2,
+	0x274F, 0x2752, 1,
+	0x2753, 0x2755, 2,
+	0x2756, 0x2756, 1,
+	0x2757, 0x2757, 2,
+	0x2758, 0x2794, 1,
+	0x2795, 0x2797, 2,
+	0x2798, 0x27AF, 1,
+	0x27B0, 0x27B0, 2,
+	0x27B1, 0x27BE, 1,
+	0x27BF, 0x27BF, 2,
+	0x27C0, 0x2B1A, 1,
+	0x2B1B, 0x2B1C, 2,
+	0x2B1D, 0x2B4F, 1,
+	0x2B50, 0x2B50, 2,
+	0x2B51, 0x2B54, 1,
+	0x2B55, 0x2B55, 2,
+	0x2B56, 0x2E5D, 1,
+	0x2E80, 0x303E, 2,
+	0x303F, 0x303F, 1,
+	0x3041, 0x3247, 2,
+	0x3248, 0x324F, 1,
+	0x3250, 0x4DBF, 2,
+	0x4DC0, 0x4DFF, 1,
+	0x4E00, 0xA4C6, 2,
+	0xA4D0, 0xA95F, 1,
+	0xA960, 0xA97C, 2,
+	0xA980, 0xABF9, 1,
+	0xAC00, 0xD7A3, 2,
+	0xD7B0, 0xF8FF, 1,
+	0xF900, 0xFAFF, 2,
+	0xFB00, 0xFE0F, 1,
+	0xFE10, 0xFE19, 2,
+	0xFE20, 0xFE2F, 1,
+	0xFE30, 0xFE6B, 2,
+	0xFE70, 0xFEFF, 1,
+	0xFF01, 0xFF60, 2,
+	0xFF61, 0xFFDC, 1,
+	0xFFE0, 0xFFE6, 2,
+	0xFFE8, 0x16F9F, 1,
+	0x16FE0, 0x1B2FB, 2,
+	0x1BC00, 0x1F003, 1,
+	0x1F004, 0x1F004, 2,
+	0x1F005, 0x1F0CE, 1,
+	0x1F0CF, 0x1F0CF, 2,
+	0x1F0D1, 0x1F18D, 1,
+	0x1F18E, 0x1F18E, 2,
+	0x1F18F, 0x1F190, 1,
+	0x1F191, 0x1F19A, 2,
+	0x1F19B, 0x1F1FF, 1,
+	0x1F200, 0x1F320, 2,
+	0x1F321, 0x1F32C, 1,
+	0x1F32D, 0x1F335, 2,
+	0x1F336, 0x1F336, 1,
+	0x1F337, 0x1F37C, 2,
+	0x1F37D, 0x1F37D, 1,
+	0x1F37E, 0x1F393, 2,
+	0x1F394, 0x1F39F, 1,
+	0x1F3A0, 0x1F3CA, 2,
+	0x1F3CB, 0x1F3CE, 1,
+	0x1F3CF, 0x1F3D3, 2,
+	0x1F3D4, 0x1F3DF, 1,
+	0x1F3E0, 0x1F3F0, 2,
+	0x1F3F1, 0x1F3F3, 1,
+	0x1F3F4, 0x1F3F4, 2,
+	0x1F3F5, 0x1F3F7, 1,
+	0x1F3F8, 0x1F43E, 2,
+	0x1F43F, 0x1F43F, 1,
+	0x1F440, 0x1F440, 2,
+	0x1F441, 0x1F441, 1,
+	0x1F442, 0x1F4FC, 2,
+	0x1F4FD, 0x1F4FE, 1,
+	0x1F4FF, 0x1F53D, 2,
+	0x1F53E, 0x1F54A, 1,
+	0x1F54B, 0x1F54E, 2,
+	0x1F54F, 0x1F54F, 1,
+	0x1F550, 0x1F567, 2,
+	0x1F568, 0x1F579, 1,
+	0x1F57A, 0x1F57A, 2,
+	0x1F57B, 0x1F594, 1,
+	0x1F595, 0x1F596, 2,
+	0x1F597, 0x1F5A3, 1,
+	0x1F5A4, 0x1F5A4, 2,
+	0x1F5A5, 0x1F5FA, 1,
+	0x1F5FB, 0x1F64F, 2,
+	0x1F650, 0x1F67F, 1,
+	0x1F680, 0x1F6C5, 2,
+	0x1F6C6, 0x1F6CB, 1,
+	0x1F6CC, 0x1F6CC, 2,
+	0x1F6CD, 0x1F6CF, 1,
+	0x1F6D0, 0x1F6D2, 2,
+	0x1F6D3, 0x1F6D4, 1,
+	0x1F6D5, 0x1F6DF, 2,
+	0x1F6E0, 0x1F6EA, 1,
+	0x1F6EB, 0x1F6EC, 2,
+	0x1F6F0, 0x1F6F3, 1,
+	0x1F6F4, 0x1F6FC, 2,
+	0x1F700, 0x1F7D9, 1,
+	0x1F7E0, 0x1F7F0, 2,
+	0x1F800, 0x1F90B, 1,
+	0x1F90C, 0x1F93A, 2,
+	0x1F93B, 0x1F93B, 1,
+	0x1F93C, 0x1F945, 2,
+	0x1F946, 0x1F946, 1,
+	0x1F947, 0x1F9FF, 2,
+	0x1FA00, 0x1FA6D, 1,
+	0x1FA70, 0x1FAF8, 2,
+	0x1FB00, 0x1FBF9, 1,
+	0x20000, 0x3FFFD, 2,
+	0xE0001, 0x10FFFD, 1,
+};
+
+//
+// End of Unicode 15.1.0 block.
+//
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _UCG_TABLES_INCLUDED */

src/unicode.cpp

@@ -162,3 +162,8 @@ end:
 	if (codepoint_out) *codepoint_out = codepoint;
 	return width;
 }
+
+// NOTE(Feoramund): It's down here because I made UCG use the utf8_decode above to avoid duplicating code.
+extern "C" {
+#include "ucg/ucg.c"
+}