--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/zint/backend/gb18030.h	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,177 @@
+/*  gb18030.h - tables for Unicode to GB 18030-2005, generated by "backend/tools/gen_eci_mb_h.php"
+    from "jdk-1.4.2/GB18030.TXT"
+    (see https://haible.de/bruno/charsets/conversion-tables/GB18030.tar.bz2) */
+/*
+    libzint - the open source barcode library
+    Copyright (C) 2016-2022 Robin Stuart <rstuart114@gmail.com>
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions
+    are met:
+
+    1. Redistributions of source code must retain the above copyright
+       notice, this list of conditions and the following disclaimer.
+    2. Redistributions in binary form must reproduce the above copyright
+       notice, this list of conditions and the following disclaimer in the
+       documentation and/or other materials provided with the distribution.
+    3. Neither the name of the project nor the names of its contributors
+       may be used to endorse or promote products derived from this software
+       without specific prior written permission.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+    ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+    ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+    DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+    OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+    HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+    LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+    OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+    SUCH DAMAGE.
+ */
+/* SPDX-License-Identifier: BSD-3-Clause */
+
+#ifndef Z_GB18030_H
+#define Z_GB18030_H
+
+/* Unicode codepoints sorted */
+static const unsigned short gb18030_2_u[273] = {
+    0x01F9, 0x1E3F, 0x20AC, 0x2E81, 0x2E84, 0x2E88, 0x2E8B, 0x2E8C,
+    0x2E97, 0x2EA7, 0x2EAA, 0x2EAE, 0x2EB3, 0x2EB6, 0x2EB7, 0x2EBB,
+    0x2ECA, 0x2FF0, 0x2FF1, 0x2FF2, 0x2FF3, 0x2FF4, 0x2FF5, 0x2FF6,
+    0x2FF7, 0x2FF8, 0x2FF9, 0x2FFA, 0x2FFB, 0x303E, 0x3447, 0x3473,
+    0x359E, 0x360E, 0x361A, 0x3918, 0x396E, 0x39CF, 0x39D0, 0x39DF,
+    0x3A73, 0x3B4E, 0x3C6E, 0x3CE0, 0x4056, 0x415F, 0x4337, 0x43AC,
+    0x43B1, 0x43DD, 0x44D6, 0x464C, 0x4661, 0x4723, 0x4729, 0x477C,
+    0x478D, 0x4947, 0x497A, 0x497D, 0x4982, 0x4983, 0x4985, 0x4986,
+    0x499B, 0x499F, 0x49B6, 0x49B7, 0x4C77, 0x4C9F, 0x4CA0, 0x4CA1,
+    0x4CA2, 0x4CA3, 0x4D13, 0x4D14, 0x4D15, 0x4D16, 0x4D17, 0x4D18,
+    0x4D19, 0x4DAE, 0x9FB4, 0x9FB5, 0x9FB6, 0x9FB7, 0x9FB8, 0x9FB9,
+    0x9FBA, 0x9FBB, 0xE766, 0xE767, 0xE768, 0xE769, 0xE76A, 0xE76B,
+    0xE76D, 0xE76E, 0xE76F, 0xE770, 0xE771, 0xE772, 0xE773, 0xE774,
+    0xE775, 0xE776, 0xE777, 0xE778, 0xE779, 0xE77A, 0xE77B, 0xE77C,
+    0xE77D, 0xE77E, 0xE77F, 0xE780, 0xE781, 0xE782, 0xE783, 0xE784,
+    0xE785, 0xE786, 0xE787, 0xE788, 0xE789, 0xE78A, 0xE78B, 0xE78C,
+    0xE78D, 0xE78E, 0xE78F, 0xE790, 0xE791, 0xE792, 0xE793, 0xE794,
+    0xE795, 0xE796, 0xE797, 0xE798, 0xE799, 0xE79A, 0xE79B, 0xE79C,
+    0xE79D, 0xE79E, 0xE79F, 0xE7A0, 0xE7A1, 0xE7A2, 0xE7A3, 0xE7A4,
+    0xE7A5, 0xE7A6, 0xE7A7, 0xE7A8, 0xE7A9, 0xE7AA, 0xE7AB, 0xE7AC,
+    0xE7AD, 0xE7AE, 0xE7AF, 0xE7B0, 0xE7B1, 0xE7B2, 0xE7B3, 0xE7B4,
+    0xE7B5, 0xE7B6, 0xE7B7, 0xE7B8, 0xE7B9, 0xE7BA, 0xE7BB, 0xE7BC,
+    0xE7BD, 0xE7BE, 0xE7BF, 0xE7C0, 0xE7C1, 0xE7C2, 0xE7C3, 0xE7C4,
+    0xE7C5, 0xE7C6, 0xE7C9, 0xE7CA, 0xE7CB, 0xE7CC, 0xE7CD, 0xE7CE,
+    0xE7CF, 0xE7D0, 0xE7D1, 0xE7D2, 0xE7D3, 0xE7D4, 0xE7D5, 0xE7D6,
+    0xE7D7, 0xE7D8, 0xE7D9, 0xE7DA, 0xE7DB, 0xE7DC, 0xE7DD, 0xE7DE,
+    0xE7DF, 0xE7E0, 0xE7E1, 0xE7E2, 0xE7E3, 0xE7E4, 0xE7E5, 0xE7E6,
+    0xE7F4, 0xE7F5, 0xE7F6, 0xE7F7, 0xE7F8, 0xE7F9, 0xE7FA, 0xE7FB,
+    0xE7FC, 0xE7FD, 0xE7FE, 0xE7FF, 0xE800, 0xE801, 0xE802, 0xE803,
+    0xE804, 0xE805, 0xE806, 0xE807, 0xE808, 0xE809, 0xE80A, 0xE80B,
+    0xE80C, 0xE80D, 0xE80E, 0xE80F, 0xE810, 0xE811, 0xE812, 0xE813,
+    0xE814, 0xE816, 0xE817, 0xE818, 0xE81E, 0xE826, 0xE82B, 0xE82C,
+    0xE831, 0xE832, 0xE83B, 0xE843, 0xE854, 0xE855, 0xE864, 0xFE10,
+    0xFE11, 0xFE12, 0xFE13, 0xFE14, 0xFE15, 0xFE16, 0xFE17, 0xFE18,
+    0xFE19,
+};
+
+/* Multibyte values sorted in Unicode order */
+static const unsigned short gb18030_2_mb[273] = {
+    0xA8BF, 0xA8BC, 0xA2E3, 0xFE50, 0xFE54, 0xFE57, 0xFE58, 0xFE5D,
+    0xFE5E, 0xFE6B, 0xFE6E, 0xFE71, 0xFE73, 0xFE74, 0xFE75, 0xFE79,
+    0xFE84, 0xA98A, 0xA98B, 0xA98C, 0xA98D, 0xA98E, 0xA98F, 0xA990,
+    0xA991, 0xA992, 0xA993, 0xA994, 0xA995, 0xA989, 0xFE56, 0xFE55,
+    0xFE5A, 0xFE5C, 0xFE5B, 0xFE60, 0xFE5F, 0xFE62, 0xFE65, 0xFE63,
+    0xFE64, 0xFE68, 0xFE69, 0xFE6A, 0xFE6F, 0xFE70, 0xFE72, 0xFE78,
+    0xFE77, 0xFE7A, 0xFE7B, 0xFE7D, 0xFE7C, 0xFE80, 0xFE81, 0xFE82,
+    0xFE83, 0xFE85, 0xFE86, 0xFE87, 0xFE88, 0xFE89, 0xFE8A, 0xFE8B,
+    0xFE8D, 0xFE8C, 0xFE8F, 0xFE8E, 0xFE96, 0xFE93, 0xFE94, 0xFE95,
+    0xFE97, 0xFE92, 0xFE98, 0xFE99, 0xFE9A, 0xFE9B, 0xFE9C, 0xFE9D,
+    0xFE9E, 0xFE9F, 0xFE59, 0xFE61, 0xFE66, 0xFE67, 0xFE6D, 0xFE7E,
+    0xFE90, 0xFEA0, 0xA2AB, 0xA2AC, 0xA2AD, 0xA2AE, 0xA2AF, 0xA2B0,
+    0xA2E4, 0xA2EF, 0xA2F0, 0xA2FD, 0xA2FE, 0xA4F4, 0xA4F5, 0xA4F6,
+    0xA4F7, 0xA4F8, 0xA4F9, 0xA4FA, 0xA4FB, 0xA4FC, 0xA4FD, 0xA4FE,
+    0xA5F7, 0xA5F8, 0xA5F9, 0xA5FA, 0xA5FB, 0xA5FC, 0xA5FD, 0xA5FE,
+    0xA6B9, 0xA6BA, 0xA6BB, 0xA6BC, 0xA6BD, 0xA6BE, 0xA6BF, 0xA6C0,
+    0xA6D9, 0xA6DA, 0xA6DB, 0xA6DC, 0xA6DD, 0xA6DE, 0xA6DF, 0xA6EC,
+    0xA6ED, 0xA6F3, 0xA6F6, 0xA6F7, 0xA6F8, 0xA6F9, 0xA6FA, 0xA6FB,
+    0xA6FC, 0xA6FD, 0xA6FE, 0xA7C2, 0xA7C3, 0xA7C4, 0xA7C5, 0xA7C6,
+    0xA7C7, 0xA7C8, 0xA7C9, 0xA7CA, 0xA7CB, 0xA7CC, 0xA7CD, 0xA7CE,
+    0xA7CF, 0xA7D0, 0xA7F2, 0xA7F3, 0xA7F4, 0xA7F5, 0xA7F6, 0xA7F7,
+    0xA7F8, 0xA7F9, 0xA7FA, 0xA7FB, 0xA7FC, 0xA7FD, 0xA7FE, 0xA896,
+    0xA897, 0xA898, 0xA899, 0xA89A, 0xA89B, 0xA89C, 0xA89D, 0xA89E,
+    0xA89F, 0xA8A0, 0xA8C1, 0xA8C2, 0xA8C3, 0xA8C4, 0xA8EA, 0xA8EB,
+    0xA8EC, 0xA8ED, 0xA8EE, 0xA8EF, 0xA8F0, 0xA8F1, 0xA8F2, 0xA8F3,
+    0xA8F4, 0xA8F5, 0xA8F6, 0xA8F7, 0xA8F8, 0xA8F9, 0xA8FA, 0xA8FB,
+    0xA8FC, 0xA8FD, 0xA8FE, 0xA958, 0xA95B, 0xA95D, 0xA95E, 0xA95F,
+    0xA997, 0xA998, 0xA999, 0xA99A, 0xA99B, 0xA99C, 0xA99D, 0xA99E,
+    0xA99F, 0xA9A0, 0xA9A1, 0xA9A2, 0xA9A3, 0xA9F0, 0xA9F1, 0xA9F2,
+    0xA9F3, 0xA9F4, 0xA9F5, 0xA9F6, 0xA9F7, 0xA9F8, 0xA9F9, 0xA9FA,
+    0xA9FB, 0xA9FC, 0xA9FD, 0xA9FE, 0xD7FA, 0xD7FB, 0xD7FC, 0xD7FD,
+    0xD7FE, 0xFE51, 0xFE52, 0xFE53, 0xFE59, 0xFE61, 0xFE66, 0xFE67,
+    0xFE6C, 0xFE6D, 0xFE76, 0xFE7E, 0xFE90, 0xFE91, 0xFEA0, 0xA6D9,
+    0xA6DB, 0xA6DA, 0xA6DC, 0xA6DD, 0xA6DE, 0xA6DF, 0xA6EC, 0xA6ED,
+    0xA6F3,
+};
+
+/* End Unicode codepoints of blocks mapping consecutively to 4-byte multibyte blocks */
+static const unsigned short gb18030_4_u_e[206] = {
+    0x00A3, 0x00A6, 0x00AF, 0x00B6, 0x00D6, 0x00DF, 0x00E7, 0x00EB,
+    0x00F1, 0x00F6, 0x00F8, 0x00FB, 0x0100, 0x0112, 0x011A, 0x012A,
+    0x0143, 0x0147, 0x014C, 0x016A, 0x01CD, 0x01CF, 0x01D1, 0x01D3,
+    0x01D5, 0x01D7, 0x01D9, 0x01DB, 0x01F8, 0x0250, 0x0260, 0x02C6,
+    0x02C8, 0x02D8, 0x0390, 0x03A2, 0x03B0, 0x03C2, 0x0400, 0x040F,
+    0x0450, 0x200F, 0x2012, 0x2017, 0x201B, 0x2024, 0x202F, 0x2031,
+    0x2034, 0x203A, 0x20AB, 0x2102, 0x2104, 0x2108, 0x2115, 0x2120,
+    0x215F, 0x216F, 0x218F, 0x2195, 0x2207, 0x220E, 0x2210, 0x2214,
+    0x2219, 0x221C, 0x2222, 0x2224, 0x2226, 0x222D, 0x2233, 0x223C,
+    0x2247, 0x224B, 0x2251, 0x225F, 0x2263, 0x226D, 0x2294, 0x2298,
+    0x22A4, 0x22BE, 0x2311, 0x245F, 0x2473, 0x24FF, 0x254F, 0x2580,
+    0x2592, 0x259F, 0x25B1, 0x25BB, 0x25C5, 0x25CA, 0x25CD, 0x25E1,
+    0x2604, 0x2608, 0x263F, 0x2641, 0x2E80, 0x2E83, 0x2E87, 0x2E8A,
+    0x2E96, 0x2EA6, 0x2EA9, 0x2EAD, 0x2EB2, 0x2EB5, 0x2EBA, 0x2EC9,
+    0x2FEF, 0x2FFF, 0x3004, 0x301C, 0x3020, 0x303D, 0x3040, 0x309A,
+    0x30A0, 0x30FB, 0x3104, 0x321F, 0x3230, 0x32A2, 0x338D, 0x339B,
+    0x33A0, 0x33C3, 0x33CD, 0x33D0, 0x33D4, 0x3446, 0x3472, 0x359D,
+    0x360D, 0x3619, 0x3917, 0x396D, 0x39CE, 0x39DE, 0x3A72, 0x3B4D,
+    0x3C6D, 0x3CDF, 0x4055, 0x415E, 0x4336, 0x43AB, 0x43B0, 0x43DC,
+    0x44D5, 0x464B, 0x4660, 0x4722, 0x4728, 0x477B, 0x478C, 0x4946,
+    0x4979, 0x497C, 0x4981, 0x4984, 0x499A, 0x499E, 0x49B5, 0x4C76,
+    0x4C9E, 0x4D12, 0x4DAD, 0x4DFF, 0xD7FF, 0xE76C, 0xE7C8, 0xE7F3,
+    0xE815, 0xE81D, 0xE825, 0xE82A, 0xE830, 0xE83A, 0xE842, 0xE853,
+    0xE863, 0xF92B, 0xF978, 0xF994, 0xF9E6, 0xF9F0, 0xFA0B, 0xFA10,
+    0xFA12, 0xFA17, 0xFA1E, 0xFA22, 0xFA26, 0xFE2F, 0xFE32, 0xFE48,
+    0xFE53, 0xFE58, 0xFE67, 0xFF00, 0xFFDF, 0xFFFF,
+};
+
+/* Cumulative gaps between Unicode blocks mapping consecutively to 4-byte multibyte blocks,
+   used to adjust multibyte offsets */
+static const unsigned short gb18030_4_mb_o[206] = {
+        0,     1,     3,     5,     6,     7,     9,    12,
+       14,    16,    17,    19,    20,    21,    22,    23,
+       24,    25,    26,    27,    28,    29,    30,    31,
+       32,    33,    34,    35,    36,    37,    38,    39,
+       40,    43,    44,    61,    68,    85,    92,    93,
+      157,   158,   159,   163,   165,   167,   169,   170,
+      172,   173,   174,   175,   176,   177,   178,   179,
+      180,   192,   202,   206,   210,   211,   212,   213,
+      214,   215,   219,   220,   221,   226,   227,   231,
+      232,   233,   234,   235,   237,   241,   243,   244,
+      245,   246,   247,   248,   258,   298,   374,   410,
+      425,   428,   430,   432,   434,   436,   437,   439,
+      443,   445,   446,   447,   448,   449,   450,   451,
+      453,   454,   455,   456,   457,   458,   460,   461,
+      462,   474,   478,   497,   499,   508,   509,   592,
+      596,   682,   685,   722,   732,   733,   734,   736,
+      739,   740,   741,   742,   744,   745,   746,   747,
+      748,   749,   750,   751,   752,   754,   755,   756,
+      757,   758,   759,   760,   761,   762,   763,   764,
+      765,   766,   767,   768,   769,   770,   771,   772,
+      773,   774,   775,   777,   779,   780,   781,   783,
+      784,   789,   796,   797, 21699, 25647, 25738, 25768,
+    25801, 25804, 25805, 25806, 25808, 25810, 25811, 25812,
+    25814, 25815, 25816, 25817, 25818, 25819, 25820, 25824,
+    25825, 25827, 25828, 25831, 25833, 25836, 25838, 25856,
+    25866, 25870, 25884, 25888, 25982, 25988,
+};
+
+#endif /* Z_GB18030_H */