mirror of
https://github.com/neovim/neovim.git
synced 2024-12-20 19:25:11 -07:00
vim-patch:7.4.704
Problem: Searching for a character matches an illegal byte and causes
invalid memory access. (Dominique Pelle)
Solution: Do not match an invalid byte when search for a character in a
string. Fix equivalence classes using negative numbers, which
result in illegal bytes.
d82a2a990b
This commit is contained in:
parent
4172ce4eb0
commit
ee56470157
@ -796,13 +796,15 @@ static void reg_equi_class(int c)
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if (enc_utf8 || STRCMP(p_enc, "latin1") == 0
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|| STRCMP(p_enc, "iso-8859-15") == 0) {
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switch (c) {
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case 'A': case '\300': case '\301': case '\302':
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// Do not use '\300' style, it results in a negative number.
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case 'A': case 0xc0: case 0xc1: case 0xc2:
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case 0xc3: case 0xc4: case 0xc5:
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CASEMBC(0x100) CASEMBC(0x102) CASEMBC(0x104) CASEMBC(0x1cd)
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CASEMBC(0x1de) CASEMBC(0x1e0) CASEMBC(0x1ea2)
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case '\303': case '\304': case '\305':
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regmbc('A'); regmbc('\300'); regmbc('\301');
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regmbc('\302'); regmbc('\303'); regmbc('\304');
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regmbc('\305');
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regmbc('A'); regmbc(0xc0); regmbc(0xc1);
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regmbc(0xc2); regmbc(0xc3); regmbc(0xc4);
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regmbc(0xc5);
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REGMBC(0x100) REGMBC(0x102) REGMBC(0x104)
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REGMBC(0x1cd) REGMBC(0x1de) REGMBC(0x1e0)
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REGMBC(0x1ea2)
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@ -810,9 +812,9 @@ static void reg_equi_class(int c)
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case 'B': CASEMBC(0x1e02) CASEMBC(0x1e06)
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regmbc('B'); REGMBC(0x1e02) REGMBC(0x1e06)
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return;
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case 'C': case '\307':
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case 'C': case 0xc7:
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CASEMBC(0x106) CASEMBC(0x108) CASEMBC(0x10a) CASEMBC(0x10c)
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regmbc('C'); regmbc('\307');
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regmbc('C'); regmbc(0xc7);
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REGMBC(0x106) REGMBC(0x108) REGMBC(0x10a)
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REGMBC(0x10c)
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return;
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@ -821,11 +823,11 @@ static void reg_equi_class(int c)
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regmbc('D'); REGMBC(0x10e) REGMBC(0x110)
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REGMBC(0x1e0a) REGMBC(0x1e0e) REGMBC(0x1e10)
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return;
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case 'E': case '\310': case '\311': case '\312': case '\313':
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case 'E': case 0xc8: case 0xc9: case 0xca: case 0xcb:
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CASEMBC(0x112) CASEMBC(0x114) CASEMBC(0x116) CASEMBC(0x118)
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CASEMBC(0x11a) CASEMBC(0x1eba) CASEMBC(0x1ebc)
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regmbc('E'); regmbc('\310'); regmbc('\311');
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regmbc('\312'); regmbc('\313');
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regmbc('E'); regmbc(0xc8); regmbc(0xc9);
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regmbc(0xca); regmbc(0xcb);
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REGMBC(0x112) REGMBC(0x114) REGMBC(0x116)
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REGMBC(0x118) REGMBC(0x11a) REGMBC(0x1eba)
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REGMBC(0x1ebc)
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@ -845,11 +847,11 @@ static void reg_equi_class(int c)
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regmbc('H'); REGMBC(0x124) REGMBC(0x126)
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REGMBC(0x1e22) REGMBC(0x1e26) REGMBC(0x1e28)
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return;
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case 'I': case '\314': case '\315': case '\316': case '\317':
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case 'I': case 0xcc: case 0xcd: case 0xce: case 0xcf:
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CASEMBC(0x128) CASEMBC(0x12a) CASEMBC(0x12c) CASEMBC(0x12e)
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CASEMBC(0x130) CASEMBC(0x1cf) CASEMBC(0x1ec8)
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regmbc('I'); regmbc('\314'); regmbc('\315');
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regmbc('\316'); regmbc('\317');
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regmbc('I'); regmbc(0xcc); regmbc(0xcd);
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regmbc(0xce); regmbc(0xcf);
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REGMBC(0x128) REGMBC(0x12a) REGMBC(0x12c)
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REGMBC(0x12e) REGMBC(0x130) REGMBC(0x1cf)
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REGMBC(0x1ec8)
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@ -871,20 +873,20 @@ static void reg_equi_class(int c)
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case 'M': CASEMBC(0x1e3e) CASEMBC(0x1e40)
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regmbc('M'); REGMBC(0x1e3e) REGMBC(0x1e40)
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return;
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case 'N': case '\321':
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case 'N': case 0xd1:
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CASEMBC(0x143) CASEMBC(0x145) CASEMBC(0x147) CASEMBC(0x1e44)
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CASEMBC(0x1e48)
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regmbc('N'); regmbc('\321');
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regmbc('N'); regmbc(0xd1);
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REGMBC(0x143) REGMBC(0x145) REGMBC(0x147)
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REGMBC(0x1e44) REGMBC(0x1e48)
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return;
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case 'O': case '\322': case '\323': case '\324': case '\325':
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case '\326': case '\330':
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case 'O': case 0xd2: case 0xd3: case 0xd4: case 0xd5:
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case 0xd6: case 0xd8:
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CASEMBC(0x14c) CASEMBC(0x14e) CASEMBC(0x150) CASEMBC(0x1a0)
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CASEMBC(0x1d1) CASEMBC(0x1ea) CASEMBC(0x1ec) CASEMBC(0x1ece)
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regmbc('O'); regmbc('\322'); regmbc('\323');
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regmbc('\324'); regmbc('\325'); regmbc('\326');
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regmbc('\330');
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regmbc('O'); regmbc(0xd2); regmbc(0xd3);
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regmbc(0xd4); regmbc(0xd5); regmbc(0xd6);
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regmbc(0xd8);
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REGMBC(0x14c) REGMBC(0x14e) REGMBC(0x150)
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REGMBC(0x1a0) REGMBC(0x1d1) REGMBC(0x1ea)
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REGMBC(0x1ec) REGMBC(0x1ece)
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@ -907,12 +909,12 @@ static void reg_equi_class(int c)
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regmbc('T'); REGMBC(0x162) REGMBC(0x164)
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REGMBC(0x166) REGMBC(0x1e6a) REGMBC(0x1e6e)
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return;
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case 'U': case '\331': case '\332': case '\333': case '\334':
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case 'U': case 0xd9: case 0xda: case 0xdb: case 0xdc:
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CASEMBC(0x168) CASEMBC(0x16a) CASEMBC(0x16c) CASEMBC(0x16e)
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CASEMBC(0x170) CASEMBC(0x172) CASEMBC(0x1af) CASEMBC(0x1d3)
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CASEMBC(0x1ee6)
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regmbc('U'); regmbc('\331'); regmbc('\332');
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regmbc('\333'); regmbc('\334');
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regmbc('U'); regmbc(0xd9); regmbc(0xda);
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regmbc(0xdb); regmbc(0xdc);
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REGMBC(0x168) REGMBC(0x16a) REGMBC(0x16c)
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REGMBC(0x16e) REGMBC(0x170) REGMBC(0x172)
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REGMBC(0x1af) REGMBC(0x1d3) REGMBC(0x1ee6)
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@ -928,10 +930,10 @@ static void reg_equi_class(int c)
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case 'X': CASEMBC(0x1e8a) CASEMBC(0x1e8c)
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regmbc('X'); REGMBC(0x1e8a) REGMBC(0x1e8c)
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return;
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case 'Y': case '\335':
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case 'Y': case 0xdd:
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CASEMBC(0x176) CASEMBC(0x178) CASEMBC(0x1e8e) CASEMBC(0x1ef2)
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CASEMBC(0x1ef6) CASEMBC(0x1ef8)
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regmbc('Y'); regmbc('\335');
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regmbc('Y'); regmbc(0xdd);
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REGMBC(0x176) REGMBC(0x178) REGMBC(0x1e8e)
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REGMBC(0x1ef2) REGMBC(0x1ef6) REGMBC(0x1ef8)
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return;
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@ -941,13 +943,13 @@ static void reg_equi_class(int c)
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REGMBC(0x17d) REGMBC(0x1b5) REGMBC(0x1e90)
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REGMBC(0x1e94)
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return;
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case 'a': case '\340': case '\341': case '\342':
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case '\343': case '\344': case '\345':
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case 'a': case 0xe0: case 0xe1: case 0xe2:
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case 0xe3: case 0xe4: case 0xe5:
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CASEMBC(0x101) CASEMBC(0x103) CASEMBC(0x105) CASEMBC(0x1ce)
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CASEMBC(0x1df) CASEMBC(0x1e1) CASEMBC(0x1ea3)
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regmbc('a'); regmbc('\340'); regmbc('\341');
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regmbc('\342'); regmbc('\343'); regmbc('\344');
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regmbc('\345');
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regmbc('a'); regmbc(0xe0); regmbc(0xe1);
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regmbc(0xe2); regmbc(0xe3); regmbc(0xe4);
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regmbc(0xe5);
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REGMBC(0x101) REGMBC(0x103) REGMBC(0x105)
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REGMBC(0x1ce) REGMBC(0x1df) REGMBC(0x1e1)
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REGMBC(0x1ea3)
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@ -955,9 +957,9 @@ static void reg_equi_class(int c)
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case 'b': CASEMBC(0x1e03) CASEMBC(0x1e07)
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regmbc('b'); REGMBC(0x1e03) REGMBC(0x1e07)
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return;
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case 'c': case '\347':
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case 'c': case 0xe7:
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CASEMBC(0x107) CASEMBC(0x109) CASEMBC(0x10b) CASEMBC(0x10d)
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regmbc('c'); regmbc('\347');
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regmbc('c'); regmbc(0xe7);
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REGMBC(0x107) REGMBC(0x109) REGMBC(0x10b)
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REGMBC(0x10d)
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return;
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@ -966,11 +968,11 @@ static void reg_equi_class(int c)
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regmbc('d'); REGMBC(0x10f) REGMBC(0x111)
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REGMBC(0x1e0b) REGMBC(0x1e0f) REGMBC(0x1e11)
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return;
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case 'e': case '\350': case '\351': case '\352': case '\353':
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case 'e': case 0xe8: case 0xe9: case 0xea: case 0xeb:
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CASEMBC(0x113) CASEMBC(0x115) CASEMBC(0x117) CASEMBC(0x119)
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CASEMBC(0x11b) CASEMBC(0x1ebb) CASEMBC(0x1ebd)
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regmbc('e'); regmbc('\350'); regmbc('\351');
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regmbc('\352'); regmbc('\353');
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regmbc('e'); regmbc(0xe8); regmbc(0xe9);
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regmbc(0xea); regmbc(0xeb);
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REGMBC(0x113) REGMBC(0x115) REGMBC(0x117)
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REGMBC(0x119) REGMBC(0x11b) REGMBC(0x1ebb)
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REGMBC(0x1ebd)
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@ -991,11 +993,11 @@ static void reg_equi_class(int c)
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REGMBC(0x1e23) REGMBC(0x1e27) REGMBC(0x1e29)
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REGMBC(0x1e96)
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return;
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case 'i': case '\354': case '\355': case '\356': case '\357':
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case 'i': case 0xec: case 0xed: case 0xee: case 0xef:
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CASEMBC(0x129) CASEMBC(0x12b) CASEMBC(0x12d) CASEMBC(0x12f)
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CASEMBC(0x1d0) CASEMBC(0x1ec9)
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regmbc('i'); regmbc('\354'); regmbc('\355');
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regmbc('\356'); regmbc('\357');
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regmbc('i'); regmbc(0xec); regmbc(0xed);
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regmbc(0xee); regmbc(0xef);
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REGMBC(0x129) REGMBC(0x12b) REGMBC(0x12d)
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REGMBC(0x12f) REGMBC(0x1d0) REGMBC(0x1ec9)
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return;
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@ -1016,20 +1018,20 @@ static void reg_equi_class(int c)
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case 'm': CASEMBC(0x1e3f) CASEMBC(0x1e41)
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regmbc('m'); REGMBC(0x1e3f) REGMBC(0x1e41)
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return;
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case 'n': case '\361':
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case 'n': case 0xf1:
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CASEMBC(0x144) CASEMBC(0x146) CASEMBC(0x148) CASEMBC(0x149)
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CASEMBC(0x1e45) CASEMBC(0x1e49)
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regmbc('n'); regmbc('\361');
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regmbc('n'); regmbc(0xf1);
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REGMBC(0x144) REGMBC(0x146) REGMBC(0x148)
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REGMBC(0x149) REGMBC(0x1e45) REGMBC(0x1e49)
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return;
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case 'o': case '\362': case '\363': case '\364': case '\365':
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case '\366': case '\370':
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case 'o': case 0xf2: case 0xf3: case 0xf4: case 0xf5:
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case 0xf6: case 0xf8:
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CASEMBC(0x14d) CASEMBC(0x14f) CASEMBC(0x151) CASEMBC(0x1a1)
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CASEMBC(0x1d2) CASEMBC(0x1eb) CASEMBC(0x1ed) CASEMBC(0x1ecf)
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regmbc('o'); regmbc('\362'); regmbc('\363');
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regmbc('\364'); regmbc('\365'); regmbc('\366');
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regmbc('\370');
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regmbc('o'); regmbc(0xf2); regmbc(0xf3);
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regmbc(0xf4); regmbc(0xf5); regmbc(0xf6);
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regmbc(0xf8);
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REGMBC(0x14d) REGMBC(0x14f) REGMBC(0x151)
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REGMBC(0x1a1) REGMBC(0x1d2) REGMBC(0x1eb)
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REGMBC(0x1ed) REGMBC(0x1ecf)
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@ -1052,12 +1054,12 @@ static void reg_equi_class(int c)
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regmbc('t'); REGMBC(0x163) REGMBC(0x165) REGMBC(0x167)
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REGMBC(0x1e6b) REGMBC(0x1e6f) REGMBC(0x1e97)
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return;
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case 'u': case '\371': case '\372': case '\373': case '\374':
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case 'u': case 0xf9: case 0xfa: case 0xfb: case 0xfc:
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CASEMBC(0x169) CASEMBC(0x16b) CASEMBC(0x16d) CASEMBC(0x16f)
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CASEMBC(0x171) CASEMBC(0x173) CASEMBC(0x1b0) CASEMBC(0x1d4)
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CASEMBC(0x1ee7)
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regmbc('u'); regmbc('\371'); regmbc('\372');
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regmbc('\373'); regmbc('\374');
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regmbc('u'); regmbc(0xf9); regmbc(0xfa);
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regmbc(0xfb); regmbc(0xfc);
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REGMBC(0x169) REGMBC(0x16b) REGMBC(0x16d)
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REGMBC(0x16f) REGMBC(0x171) REGMBC(0x173)
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REGMBC(0x1b0) REGMBC(0x1d4) REGMBC(0x1ee7)
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@ -1074,10 +1076,10 @@ static void reg_equi_class(int c)
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case 'x': CASEMBC(0x1e8b) CASEMBC(0x1e8d)
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regmbc('x'); REGMBC(0x1e8b) REGMBC(0x1e8d)
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return;
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case 'y': case '\375': case '\377':
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case 'y': case 0xfd: case 0xff:
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CASEMBC(0x177) CASEMBC(0x1e8f) CASEMBC(0x1e99)
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CASEMBC(0x1ef3) CASEMBC(0x1ef7) CASEMBC(0x1ef9)
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regmbc('y'); regmbc('\375'); regmbc('\377');
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regmbc('y'); regmbc(0xfd); regmbc(0xff);
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REGMBC(0x177) REGMBC(0x1e8f) REGMBC(0x1e99)
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REGMBC(0x1ef3) REGMBC(0x1ef7) REGMBC(0x1ef9)
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return;
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@ -425,9 +425,13 @@ char_u *vim_strchr(const char_u *string, int c)
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const char_u *p = string;
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if (enc_utf8 && c >= 0x80) {
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while (*p != NUL) {
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if (utf_ptr2char(p) == c)
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int l = (*mb_ptr2len)(p);
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// Avoid matching an illegal byte here.
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if (utf_ptr2char(p) == c && l > 1) {
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return (char_u *) p;
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p += (*mb_ptr2len)(p);
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}
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p += l;
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}
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return NULL;
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}
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@ -420,7 +420,7 @@ static int included_patches[] = {
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707,
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706,
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// 705 NA
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// 704,
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704,
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// 703 NA
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702,
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// 701 NA
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