unicase/unicode/
map.rs

1// Generated by scripts/mapgen.py
2// 2019-08-31
3
4use super::fold::Fold;
5
6use core::char;
7pub fn lookup(orig: char) -> Fold {
8    // The code below is is intended to reduce the binary size from that of a simple 1:1 lookup table.
9    // It exploits two facts:
10    // 1. Many of the mappings form ranges mapped to other ranges.
11    //    To benefit from this, we match on ranges instead of single numbers.
12    //    Alone, this decreases the binary size but results in performance regression over the simple 1:1 lookup.
13    // 2. Most of the mappings are from relatively small chars (0 - 0x2CFF).
14    //    To benefit from this, we use a jump table based on the high byte for this range.
15    //    This more than recovers the performance regression from exploting fact #1, at least in the tested benchmark.
16    let from = orig as u32;
17    if from <= 0x2CFF {
18        let from = from as u16;
19        let high_byte = (from >> 8) as u8;
20        let low_byte = (from & 0xff) as u8;
21        let single_char: u16 = match high_byte {
22            0x00 => {
23                match low_byte {
24                    x @ _ if 0x41 <= x && x <= 0x5a  => from.wrapping_add(0x0020),
25                    0xb5 => 0x03bc,
26                    x @ _ if 0xc0 <= x && x <= 0xd6  => from.wrapping_add(0x0020),
27                    x @ _ if 0xd8 <= x && x <= 0xde  => from.wrapping_add(0x0020),
28                    0xdf => return Fold::Two('\u{0073}', '\u{0073}',),
29                    _ => from
30                }
31            }
32            0x01 => {
33                match low_byte {
34                    x @ _ if x <= 0x2e  => (from | 1),
35                    0x30 => return Fold::Two('\u{0069}', '\u{0307}',),
36                    x @ _ if 0x32 <= x && x <= 0x36  => (from | 1),
37                    x @ _ if 0x39 <= x && x <= 0x47  => ((from+1) & !1),
38                    0x49 => return Fold::Two('\u{02bc}', '\u{006e}',),
39                    x @ _ if 0x4a <= x && x <= 0x76  => (from | 1),
40                    0x78 => 0x00ff,
41                    x @ _ if 0x79 <= x && x <= 0x7d  => ((from+1) & !1),
42                    0x7f => 0x0073,
43                    0x81 => 0x0253,
44                    x @ _ if 0x82 <= x && x <= 0x84  => (from | 1),
45                    0x86 => 0x0254,
46                    0x87 => 0x0188,
47                    x @ _ if 0x89 <= x && x <= 0x8a  => from.wrapping_add(0x00cd),
48                    0x8b => 0x018c,
49                    0x8e => 0x01dd,
50                    0x8f => 0x0259,
51                    0x90 => 0x025b,
52                    0x91 => 0x0192,
53                    0x93 => 0x0260,
54                    0x94 => 0x0263,
55                    0x96 => 0x0269,
56                    0x97 => 0x0268,
57                    0x98 => 0x0199,
58                    0x9c => 0x026f,
59                    0x9d => 0x0272,
60                    0x9f => 0x0275,
61                    x @ _ if 0xa0 <= x && x <= 0xa4  => (from | 1),
62                    0xa6 => 0x0280,
63                    0xa7 => 0x01a8,
64                    0xa9 => 0x0283,
65                    0xac => 0x01ad,
66                    0xae => 0x0288,
67                    0xaf => 0x01b0,
68                    x @ _ if 0xb1 <= x && x <= 0xb2  => from.wrapping_add(0x00d9),
69                    x @ _ if 0xb3 <= x && x <= 0xb5  => ((from+1) & !1),
70                    0xb7 => 0x0292,
71                    0xb8 => 0x01b9,
72                    0xbc => 0x01bd,
73                    0xc4 => 0x01c6,
74                    0xc5 => 0x01c6,
75                    0xc7 => 0x01c9,
76                    0xc8 => 0x01c9,
77                    0xca => 0x01cc,
78                    x @ _ if 0xcb <= x && x <= 0xdb  => ((from+1) & !1),
79                    x @ _ if 0xde <= x && x <= 0xee  => (from | 1),
80                    0xf0 => return Fold::Two('\u{006a}', '\u{030c}',),
81                    0xf1 => 0x01f3,
82                    x @ _ if 0xf2 <= x && x <= 0xf4  => (from | 1),
83                    0xf6 => 0x0195,
84                    0xf7 => 0x01bf,
85                    x @ _ if 0xf8 <= x  => (from | 1),
86                    _ => from
87                }
88            }
89            0x02 => {
90                match low_byte {
91                    x @ _ if x <= 0x1e  => (from | 1),
92                    0x20 => 0x019e,
93                    x @ _ if 0x22 <= x && x <= 0x32  => (from | 1),
94                    0x3a => 0x2c65,
95                    0x3b => 0x023c,
96                    0x3d => 0x019a,
97                    0x3e => 0x2c66,
98                    0x41 => 0x0242,
99                    0x43 => 0x0180,
100                    0x44 => 0x0289,
101                    0x45 => 0x028c,
102                    x @ _ if 0x46 <= x && x <= 0x4e  => (from | 1),
103                    _ => from
104                }
105            }
106            0x03 => {
107                match low_byte {
108                    0x45 => 0x03b9,
109                    x @ _ if 0x70 <= x && x <= 0x72  => (from | 1),
110                    0x76 => 0x0377,
111                    0x7f => 0x03f3,
112                    0x86 => 0x03ac,
113                    x @ _ if 0x88 <= x && x <= 0x8a  => from.wrapping_add(0x0025),
114                    0x8c => 0x03cc,
115                    x @ _ if 0x8e <= x && x <= 0x8f  => from.wrapping_add(0x003f),
116                    0x90 => return Fold::Three('\u{03b9}', '\u{0308}', '\u{0301}',),
117                    x @ _ if 0x91 <= x && x <= 0xa1  => from.wrapping_add(0x0020),
118                    x @ _ if 0xa3 <= x && x <= 0xab  => from.wrapping_add(0x0020),
119                    0xb0 => return Fold::Three('\u{03c5}', '\u{0308}', '\u{0301}',),
120                    0xc2 => 0x03c3,
121                    0xcf => 0x03d7,
122                    0xd0 => 0x03b2,
123                    0xd1 => 0x03b8,
124                    0xd5 => 0x03c6,
125                    0xd6 => 0x03c0,
126                    x @ _ if 0xd8 <= x && x <= 0xee  => (from | 1),
127                    0xf0 => 0x03ba,
128                    0xf1 => 0x03c1,
129                    0xf4 => 0x03b8,
130                    0xf5 => 0x03b5,
131                    0xf7 => 0x03f8,
132                    0xf9 => 0x03f2,
133                    0xfa => 0x03fb,
134                    x @ _ if 0xfd <= x  => from.wrapping_sub(0x0082),
135                    _ => from
136                }
137            }
138            0x04 => {
139                match low_byte {
140                    x @ _ if x <= 0x0f  => from.wrapping_add(0x0050),
141                    x @ _ if 0x10 <= x && x <= 0x2f  => from.wrapping_add(0x0020),
142                    x @ _ if 0x60 <= x && x <= 0x80  => (from | 1),
143                    x @ _ if 0x8a <= x && x <= 0xbe  => (from | 1),
144                    0xc0 => 0x04cf,
145                    x @ _ if 0xc1 <= x && x <= 0xcd  => ((from+1) & !1),
146                    x @ _ if 0xd0 <= x  => (from | 1),
147                    _ => from
148                }
149            }
150            0x05 => {
151                match low_byte {
152                    x @ _ if x <= 0x2e  => (from | 1),
153                    x @ _ if 0x31 <= x && x <= 0x56  => from.wrapping_add(0x0030),
154                    0x87 => return Fold::Two('\u{0565}', '\u{0582}',),
155                    _ => from
156                }
157            }
158            0x06 => {
159                from
160            }
161            0x07 => {
162                from
163            }
164            0x08 => {
165                from
166            }
167            0x09 => {
168                from
169            }
170            0x0a => {
171                from
172            }
173            0x0b => {
174                from
175            }
176            0x0c => {
177                from
178            }
179            0x0d => {
180                from
181            }
182            0x0e => {
183                from
184            }
185            0x0f => {
186                from
187            }
188            0x10 => {
189                match low_byte {
190                    x @ _ if 0xa0 <= x && x <= 0xc5  => from.wrapping_add(0x1c60),
191                    0xc7 => 0x2d27,
192                    0xcd => 0x2d2d,
193                    _ => from
194                }
195            }
196            0x11 => {
197                from
198            }
199            0x12 => {
200                from
201            }
202            0x13 => {
203                match low_byte {
204                    x @ _ if 0xf8 <= x && x <= 0xfd  => from.wrapping_sub(0x0008),
205                    _ => from
206                }
207            }
208            0x14 => {
209                from
210            }
211            0x15 => {
212                from
213            }
214            0x16 => {
215                from
216            }
217            0x17 => {
218                from
219            }
220            0x18 => {
221                from
222            }
223            0x19 => {
224                from
225            }
226            0x1a => {
227                from
228            }
229            0x1b => {
230                from
231            }
232            0x1c => {
233                match low_byte {
234                    0x80 => 0x0432,
235                    0x81 => 0x0434,
236                    0x82 => 0x043e,
237                    x @ _ if 0x83 <= x && x <= 0x84  => from.wrapping_sub(0x1842),
238                    0x85 => 0x0442,
239                    0x86 => 0x044a,
240                    0x87 => 0x0463,
241                    0x88 => 0xa64b,
242                    x @ _ if 0x90 <= x && x <= 0xba  => from.wrapping_sub(0x0bc0),
243                    x @ _ if 0xbd <= x && x <= 0xbf  => from.wrapping_sub(0x0bc0),
244                    _ => from
245                }
246            }
247            0x1d => {
248                from
249            }
250            0x1e => {
251                match low_byte {
252                    x @ _ if x <= 0x94  => (from | 1),
253                    0x96 => return Fold::Two('\u{0068}', '\u{0331}',),
254                    0x97 => return Fold::Two('\u{0074}', '\u{0308}',),
255                    0x98 => return Fold::Two('\u{0077}', '\u{030a}',),
256                    0x99 => return Fold::Two('\u{0079}', '\u{030a}',),
257                    0x9a => return Fold::Two('\u{0061}', '\u{02be}',),
258                    0x9b => 0x1e61,
259                    0x9e => return Fold::Two('\u{0073}', '\u{0073}',),
260                    x @ _ if 0xa0 <= x && x <= 0xfe  => (from | 1),
261                    _ => from
262                }
263            }
264            0x1f => {
265                match low_byte {
266                    x @ _ if 0x08 <= x && x <= 0x0f  => from.wrapping_sub(0x0008),
267                    x @ _ if 0x18 <= x && x <= 0x1d  => from.wrapping_sub(0x0008),
268                    x @ _ if 0x28 <= x && x <= 0x2f  => from.wrapping_sub(0x0008),
269                    x @ _ if 0x38 <= x && x <= 0x3f  => from.wrapping_sub(0x0008),
270                    x @ _ if 0x48 <= x && x <= 0x4d  => from.wrapping_sub(0x0008),
271                    0x50 => return Fold::Two('\u{03c5}', '\u{0313}',),
272                    0x52 => return Fold::Three('\u{03c5}', '\u{0313}', '\u{0300}',),
273                    0x54 => return Fold::Three('\u{03c5}', '\u{0313}', '\u{0301}',),
274                    0x56 => return Fold::Three('\u{03c5}', '\u{0313}', '\u{0342}',),
275                    x @ _ if 0x59 <= x && x <= 0x5f  => if (from & 1) == 1 { from.wrapping_sub(0x0008) } else { from },
276                    x @ _ if 0x68 <= x && x <= 0x6f  => from.wrapping_sub(0x0008),
277                    0x80 => return Fold::Two('\u{1f00}', '\u{03b9}',),
278                    0x81 => return Fold::Two('\u{1f01}', '\u{03b9}',),
279                    0x82 => return Fold::Two('\u{1f02}', '\u{03b9}',),
280                    0x83 => return Fold::Two('\u{1f03}', '\u{03b9}',),
281                    0x84 => return Fold::Two('\u{1f04}', '\u{03b9}',),
282                    0x85 => return Fold::Two('\u{1f05}', '\u{03b9}',),
283                    0x86 => return Fold::Two('\u{1f06}', '\u{03b9}',),
284                    0x87 => return Fold::Two('\u{1f07}', '\u{03b9}',),
285                    0x88 => return Fold::Two('\u{1f00}', '\u{03b9}',),
286                    0x89 => return Fold::Two('\u{1f01}', '\u{03b9}',),
287                    0x8a => return Fold::Two('\u{1f02}', '\u{03b9}',),
288                    0x8b => return Fold::Two('\u{1f03}', '\u{03b9}',),
289                    0x8c => return Fold::Two('\u{1f04}', '\u{03b9}',),
290                    0x8d => return Fold::Two('\u{1f05}', '\u{03b9}',),
291                    0x8e => return Fold::Two('\u{1f06}', '\u{03b9}',),
292                    0x8f => return Fold::Two('\u{1f07}', '\u{03b9}',),
293                    0x90 => return Fold::Two('\u{1f20}', '\u{03b9}',),
294                    0x91 => return Fold::Two('\u{1f21}', '\u{03b9}',),
295                    0x92 => return Fold::Two('\u{1f22}', '\u{03b9}',),
296                    0x93 => return Fold::Two('\u{1f23}', '\u{03b9}',),
297                    0x94 => return Fold::Two('\u{1f24}', '\u{03b9}',),
298                    0x95 => return Fold::Two('\u{1f25}', '\u{03b9}',),
299                    0x96 => return Fold::Two('\u{1f26}', '\u{03b9}',),
300                    0x97 => return Fold::Two('\u{1f27}', '\u{03b9}',),
301                    0x98 => return Fold::Two('\u{1f20}', '\u{03b9}',),
302                    0x99 => return Fold::Two('\u{1f21}', '\u{03b9}',),
303                    0x9a => return Fold::Two('\u{1f22}', '\u{03b9}',),
304                    0x9b => return Fold::Two('\u{1f23}', '\u{03b9}',),
305                    0x9c => return Fold::Two('\u{1f24}', '\u{03b9}',),
306                    0x9d => return Fold::Two('\u{1f25}', '\u{03b9}',),
307                    0x9e => return Fold::Two('\u{1f26}', '\u{03b9}',),
308                    0x9f => return Fold::Two('\u{1f27}', '\u{03b9}',),
309                    0xa0 => return Fold::Two('\u{1f60}', '\u{03b9}',),
310                    0xa1 => return Fold::Two('\u{1f61}', '\u{03b9}',),
311                    0xa2 => return Fold::Two('\u{1f62}', '\u{03b9}',),
312                    0xa3 => return Fold::Two('\u{1f63}', '\u{03b9}',),
313                    0xa4 => return Fold::Two('\u{1f64}', '\u{03b9}',),
314                    0xa5 => return Fold::Two('\u{1f65}', '\u{03b9}',),
315                    0xa6 => return Fold::Two('\u{1f66}', '\u{03b9}',),
316                    0xa7 => return Fold::Two('\u{1f67}', '\u{03b9}',),
317                    0xa8 => return Fold::Two('\u{1f60}', '\u{03b9}',),
318                    0xa9 => return Fold::Two('\u{1f61}', '\u{03b9}',),
319                    0xaa => return Fold::Two('\u{1f62}', '\u{03b9}',),
320                    0xab => return Fold::Two('\u{1f63}', '\u{03b9}',),
321                    0xac => return Fold::Two('\u{1f64}', '\u{03b9}',),
322                    0xad => return Fold::Two('\u{1f65}', '\u{03b9}',),
323                    0xae => return Fold::Two('\u{1f66}', '\u{03b9}',),
324                    0xaf => return Fold::Two('\u{1f67}', '\u{03b9}',),
325                    0xb2 => return Fold::Two('\u{1f70}', '\u{03b9}',),
326                    0xb3 => return Fold::Two('\u{03b1}', '\u{03b9}',),
327                    0xb4 => return Fold::Two('\u{03ac}', '\u{03b9}',),
328                    0xb6 => return Fold::Two('\u{03b1}', '\u{0342}',),
329                    0xb7 => return Fold::Three('\u{03b1}', '\u{0342}', '\u{03b9}',),
330                    x @ _ if 0xb8 <= x && x <= 0xb9  => from.wrapping_sub(0x0008),
331                    x @ _ if 0xba <= x && x <= 0xbb  => from.wrapping_sub(0x004a),
332                    0xbc => return Fold::Two('\u{03b1}', '\u{03b9}',),
333                    0xbe => 0x03b9,
334                    0xc2 => return Fold::Two('\u{1f74}', '\u{03b9}',),
335                    0xc3 => return Fold::Two('\u{03b7}', '\u{03b9}',),
336                    0xc4 => return Fold::Two('\u{03ae}', '\u{03b9}',),
337                    0xc6 => return Fold::Two('\u{03b7}', '\u{0342}',),
338                    0xc7 => return Fold::Three('\u{03b7}', '\u{0342}', '\u{03b9}',),
339                    x @ _ if 0xc8 <= x && x <= 0xcb  => from.wrapping_sub(0x0056),
340                    0xcc => return Fold::Two('\u{03b7}', '\u{03b9}',),
341                    0xd2 => return Fold::Three('\u{03b9}', '\u{0308}', '\u{0300}',),
342                    0xd3 => return Fold::Three('\u{03b9}', '\u{0308}', '\u{0301}',),
343                    0xd6 => return Fold::Two('\u{03b9}', '\u{0342}',),
344                    0xd7 => return Fold::Three('\u{03b9}', '\u{0308}', '\u{0342}',),
345                    x @ _ if 0xd8 <= x && x <= 0xd9  => from.wrapping_sub(0x0008),
346                    x @ _ if 0xda <= x && x <= 0xdb  => from.wrapping_sub(0x0064),
347                    0xe2 => return Fold::Three('\u{03c5}', '\u{0308}', '\u{0300}',),
348                    0xe3 => return Fold::Three('\u{03c5}', '\u{0308}', '\u{0301}',),
349                    0xe4 => return Fold::Two('\u{03c1}', '\u{0313}',),
350                    0xe6 => return Fold::Two('\u{03c5}', '\u{0342}',),
351                    0xe7 => return Fold::Three('\u{03c5}', '\u{0308}', '\u{0342}',),
352                    x @ _ if 0xe8 <= x && x <= 0xe9  => from.wrapping_sub(0x0008),
353                    x @ _ if 0xea <= x && x <= 0xeb  => from.wrapping_sub(0x0070),
354                    0xec => 0x1fe5,
355                    0xf2 => return Fold::Two('\u{1f7c}', '\u{03b9}',),
356                    0xf3 => return Fold::Two('\u{03c9}', '\u{03b9}',),
357                    0xf4 => return Fold::Two('\u{03ce}', '\u{03b9}',),
358                    0xf6 => return Fold::Two('\u{03c9}', '\u{0342}',),
359                    0xf7 => return Fold::Three('\u{03c9}', '\u{0342}', '\u{03b9}',),
360                    x @ _ if 0xf8 <= x && x <= 0xf9  => from.wrapping_sub(0x0080),
361                    x @ _ if 0xfa <= x && x <= 0xfb  => from.wrapping_sub(0x007e),
362                    0xfc => return Fold::Two('\u{03c9}', '\u{03b9}',),
363                    _ => from
364                }
365            }
366            0x20 => {
367                from
368            }
369            0x21 => {
370                match low_byte {
371                    0x26 => 0x03c9,
372                    0x2a => 0x006b,
373                    0x2b => 0x00e5,
374                    0x32 => 0x214e,
375                    x @ _ if 0x60 <= x && x <= 0x6f  => from.wrapping_add(0x0010),
376                    0x83 => 0x2184,
377                    _ => from
378                }
379            }
380            0x22 => {
381                from
382            }
383            0x23 => {
384                from
385            }
386            0x24 => {
387                match low_byte {
388                    x @ _ if 0xb6 <= x && x <= 0xcf  => from.wrapping_add(0x001a),
389                    _ => from
390                }
391            }
392            0x25 => {
393                from
394            }
395            0x26 => {
396                from
397            }
398            0x27 => {
399                from
400            }
401            0x28 => {
402                from
403            }
404            0x29 => {
405                from
406            }
407            0x2a => {
408                from
409            }
410            0x2b => {
411                from
412            }
413            0x2c => {
414                match low_byte {
415                    x @ _ if x <= 0x2e  => from.wrapping_add(0x0030),
416                    0x60 => 0x2c61,
417                    0x62 => 0x026b,
418                    0x63 => 0x1d7d,
419                    0x64 => 0x027d,
420                    x @ _ if 0x67 <= x && x <= 0x6b  => ((from+1) & !1),
421                    0x6d => 0x0251,
422                    0x6e => 0x0271,
423                    0x6f => 0x0250,
424                    0x70 => 0x0252,
425                    0x72 => 0x2c73,
426                    0x75 => 0x2c76,
427                    x @ _ if 0x7e <= x && x <= 0x7f  => from.wrapping_sub(0x2a3f),
428                    x @ _ if 0x80 <= x && x <= 0xe2  => (from | 1),
429                    x @ _ if 0xeb <= x && x <= 0xed  => ((from+1) & !1),
430                    0xf2 => 0x2cf3,
431                    _ => from
432                }
433            }
434            _ => from 
435        };
436        Fold::One( char::from_u32(single_char as u32).unwrap_or(orig) )
437    } else {
438        let single_char: u32 = match from {
439            x @ _ if 0xa640 <= x && x <= 0xa66c  => (from | 1),
440            x @ _ if 0xa680 <= x && x <= 0xa69a  => (from | 1),
441            x @ _ if 0xa722 <= x && x <= 0xa72e  => (from | 1),
442            x @ _ if 0xa732 <= x && x <= 0xa76e  => (from | 1),
443            x @ _ if 0xa779 <= x && x <= 0xa77b  => ((from+1) & !1),
444            0xa77d => 0x1d79,
445            x @ _ if 0xa77e <= x && x <= 0xa786  => (from | 1),
446            0xa78b => 0xa78c,
447            0xa78d => 0x0265,
448            x @ _ if 0xa790 <= x && x <= 0xa792  => (from | 1),
449            x @ _ if 0xa796 <= x && x <= 0xa7a8  => (from | 1),
450            0xa7aa => 0x0266,
451            0xa7ab => 0x025c,
452            0xa7ac => 0x0261,
453            0xa7ad => 0x026c,
454            0xa7ae => 0x026a,
455            0xa7b0 => 0x029e,
456            0xa7b1 => 0x0287,
457            0xa7b2 => 0x029d,
458            0xa7b3 => 0xab53,
459            x @ _ if 0xa7b4 <= x && x <= 0xa7be  => (from | 1),
460            0xa7c2 => 0xa7c3,
461            0xa7c4 => 0xa794,
462            0xa7c5 => 0x0282,
463            0xa7c6 => 0x1d8e,
464            x @ _ if 0xab70 <= x && x <= 0xabbf  => from.wrapping_sub(0x97d0),
465            0xfb00 => return Fold::Two('\u{0066}', '\u{0066}',),
466            0xfb01 => return Fold::Two('\u{0066}', '\u{0069}',),
467            0xfb02 => return Fold::Two('\u{0066}', '\u{006c}',),
468            0xfb03 => return Fold::Three('\u{0066}', '\u{0066}', '\u{0069}',),
469            0xfb04 => return Fold::Three('\u{0066}', '\u{0066}', '\u{006c}',),
470            0xfb05 => return Fold::Two('\u{0073}', '\u{0074}',),
471            0xfb06 => return Fold::Two('\u{0073}', '\u{0074}',),
472            0xfb13 => return Fold::Two('\u{0574}', '\u{0576}',),
473            0xfb14 => return Fold::Two('\u{0574}', '\u{0565}',),
474            0xfb15 => return Fold::Two('\u{0574}', '\u{056b}',),
475            0xfb16 => return Fold::Two('\u{057e}', '\u{0576}',),
476            0xfb17 => return Fold::Two('\u{0574}', '\u{056d}',),
477            x @ _ if 0xff21 <= x && x <= 0xff3a  => from.wrapping_add(0x0020),
478            x @ _ if 0x10400 <= x && x <= 0x10427  => from.wrapping_add(0x0028),
479            x @ _ if 0x104b0 <= x && x <= 0x104d3  => from.wrapping_add(0x0028),
480            x @ _ if 0x10c80 <= x && x <= 0x10cb2  => from.wrapping_add(0x0040),
481            x @ _ if 0x118a0 <= x && x <= 0x118bf  => from.wrapping_add(0x0020),
482            x @ _ if 0x16e40 <= x && x <= 0x16e5f  => from.wrapping_add(0x0020),
483            x @ _ if 0x1e900 <= x && x <= 0x1e921  => from.wrapping_add(0x0022),
484            _ => from
485        };
486        Fold::One( char::from_u32(single_char).unwrap_or(orig) )
487    }
488}
489
490#[test]
491fn lookup_consistency() {
492    fn lookup_naive(orig: char) -> Fold {
493        let single_char = match orig as u32 {
494            0x0041 => 0x0061,
495            0x0042 => 0x0062,
496            0x0043 => 0x0063,
497            0x0044 => 0x0064,
498            0x0045 => 0x0065,
499            0x0046 => 0x0066,
500            0x0047 => 0x0067,
501            0x0048 => 0x0068,
502            0x0049 => 0x0069,
503            0x004a => 0x006a,
504            0x004b => 0x006b,
505            0x004c => 0x006c,
506            0x004d => 0x006d,
507            0x004e => 0x006e,
508            0x004f => 0x006f,
509            0x0050 => 0x0070,
510            0x0051 => 0x0071,
511            0x0052 => 0x0072,
512            0x0053 => 0x0073,
513            0x0054 => 0x0074,
514            0x0055 => 0x0075,
515            0x0056 => 0x0076,
516            0x0057 => 0x0077,
517            0x0058 => 0x0078,
518            0x0059 => 0x0079,
519            0x005a => 0x007a,
520            0x00b5 => 0x03bc,
521            0x00c0 => 0x00e0,
522            0x00c1 => 0x00e1,
523            0x00c2 => 0x00e2,
524            0x00c3 => 0x00e3,
525            0x00c4 => 0x00e4,
526            0x00c5 => 0x00e5,
527            0x00c6 => 0x00e6,
528            0x00c7 => 0x00e7,
529            0x00c8 => 0x00e8,
530            0x00c9 => 0x00e9,
531            0x00ca => 0x00ea,
532            0x00cb => 0x00eb,
533            0x00cc => 0x00ec,
534            0x00cd => 0x00ed,
535            0x00ce => 0x00ee,
536            0x00cf => 0x00ef,
537            0x00d0 => 0x00f0,
538            0x00d1 => 0x00f1,
539            0x00d2 => 0x00f2,
540            0x00d3 => 0x00f3,
541            0x00d4 => 0x00f4,
542            0x00d5 => 0x00f5,
543            0x00d6 => 0x00f6,
544            0x00d8 => 0x00f8,
545            0x00d9 => 0x00f9,
546            0x00da => 0x00fa,
547            0x00db => 0x00fb,
548            0x00dc => 0x00fc,
549            0x00dd => 0x00fd,
550            0x00de => 0x00fe,
551            0x00df => return Fold::Two('\u{0073}', '\u{0073}',),
552            0x0100 => 0x0101,
553            0x0102 => 0x0103,
554            0x0104 => 0x0105,
555            0x0106 => 0x0107,
556            0x0108 => 0x0109,
557            0x010a => 0x010b,
558            0x010c => 0x010d,
559            0x010e => 0x010f,
560            0x0110 => 0x0111,
561            0x0112 => 0x0113,
562            0x0114 => 0x0115,
563            0x0116 => 0x0117,
564            0x0118 => 0x0119,
565            0x011a => 0x011b,
566            0x011c => 0x011d,
567            0x011e => 0x011f,
568            0x0120 => 0x0121,
569            0x0122 => 0x0123,
570            0x0124 => 0x0125,
571            0x0126 => 0x0127,
572            0x0128 => 0x0129,
573            0x012a => 0x012b,
574            0x012c => 0x012d,
575            0x012e => 0x012f,
576            0x0130 => return Fold::Two('\u{0069}', '\u{0307}',),
577            0x0132 => 0x0133,
578            0x0134 => 0x0135,
579            0x0136 => 0x0137,
580            0x0139 => 0x013a,
581            0x013b => 0x013c,
582            0x013d => 0x013e,
583            0x013f => 0x0140,
584            0x0141 => 0x0142,
585            0x0143 => 0x0144,
586            0x0145 => 0x0146,
587            0x0147 => 0x0148,
588            0x0149 => return Fold::Two('\u{02bc}', '\u{006e}',),
589            0x014a => 0x014b,
590            0x014c => 0x014d,
591            0x014e => 0x014f,
592            0x0150 => 0x0151,
593            0x0152 => 0x0153,
594            0x0154 => 0x0155,
595            0x0156 => 0x0157,
596            0x0158 => 0x0159,
597            0x015a => 0x015b,
598            0x015c => 0x015d,
599            0x015e => 0x015f,
600            0x0160 => 0x0161,
601            0x0162 => 0x0163,
602            0x0164 => 0x0165,
603            0x0166 => 0x0167,
604            0x0168 => 0x0169,
605            0x016a => 0x016b,
606            0x016c => 0x016d,
607            0x016e => 0x016f,
608            0x0170 => 0x0171,
609            0x0172 => 0x0173,
610            0x0174 => 0x0175,
611            0x0176 => 0x0177,
612            0x0178 => 0x00ff,
613            0x0179 => 0x017a,
614            0x017b => 0x017c,
615            0x017d => 0x017e,
616            0x017f => 0x0073,
617            0x0181 => 0x0253,
618            0x0182 => 0x0183,
619            0x0184 => 0x0185,
620            0x0186 => 0x0254,
621            0x0187 => 0x0188,
622            0x0189 => 0x0256,
623            0x018a => 0x0257,
624            0x018b => 0x018c,
625            0x018e => 0x01dd,
626            0x018f => 0x0259,
627            0x0190 => 0x025b,
628            0x0191 => 0x0192,
629            0x0193 => 0x0260,
630            0x0194 => 0x0263,
631            0x0196 => 0x0269,
632            0x0197 => 0x0268,
633            0x0198 => 0x0199,
634            0x019c => 0x026f,
635            0x019d => 0x0272,
636            0x019f => 0x0275,
637            0x01a0 => 0x01a1,
638            0x01a2 => 0x01a3,
639            0x01a4 => 0x01a5,
640            0x01a6 => 0x0280,
641            0x01a7 => 0x01a8,
642            0x01a9 => 0x0283,
643            0x01ac => 0x01ad,
644            0x01ae => 0x0288,
645            0x01af => 0x01b0,
646            0x01b1 => 0x028a,
647            0x01b2 => 0x028b,
648            0x01b3 => 0x01b4,
649            0x01b5 => 0x01b6,
650            0x01b7 => 0x0292,
651            0x01b8 => 0x01b9,
652            0x01bc => 0x01bd,
653            0x01c4 => 0x01c6,
654            0x01c5 => 0x01c6,
655            0x01c7 => 0x01c9,
656            0x01c8 => 0x01c9,
657            0x01ca => 0x01cc,
658            0x01cb => 0x01cc,
659            0x01cd => 0x01ce,
660            0x01cf => 0x01d0,
661            0x01d1 => 0x01d2,
662            0x01d3 => 0x01d4,
663            0x01d5 => 0x01d6,
664            0x01d7 => 0x01d8,
665            0x01d9 => 0x01da,
666            0x01db => 0x01dc,
667            0x01de => 0x01df,
668            0x01e0 => 0x01e1,
669            0x01e2 => 0x01e3,
670            0x01e4 => 0x01e5,
671            0x01e6 => 0x01e7,
672            0x01e8 => 0x01e9,
673            0x01ea => 0x01eb,
674            0x01ec => 0x01ed,
675            0x01ee => 0x01ef,
676            0x01f0 => return Fold::Two('\u{006a}', '\u{030c}',),
677            0x01f1 => 0x01f3,
678            0x01f2 => 0x01f3,
679            0x01f4 => 0x01f5,
680            0x01f6 => 0x0195,
681            0x01f7 => 0x01bf,
682            0x01f8 => 0x01f9,
683            0x01fa => 0x01fb,
684            0x01fc => 0x01fd,
685            0x01fe => 0x01ff,
686            0x0200 => 0x0201,
687            0x0202 => 0x0203,
688            0x0204 => 0x0205,
689            0x0206 => 0x0207,
690            0x0208 => 0x0209,
691            0x020a => 0x020b,
692            0x020c => 0x020d,
693            0x020e => 0x020f,
694            0x0210 => 0x0211,
695            0x0212 => 0x0213,
696            0x0214 => 0x0215,
697            0x0216 => 0x0217,
698            0x0218 => 0x0219,
699            0x021a => 0x021b,
700            0x021c => 0x021d,
701            0x021e => 0x021f,
702            0x0220 => 0x019e,
703            0x0222 => 0x0223,
704            0x0224 => 0x0225,
705            0x0226 => 0x0227,
706            0x0228 => 0x0229,
707            0x022a => 0x022b,
708            0x022c => 0x022d,
709            0x022e => 0x022f,
710            0x0230 => 0x0231,
711            0x0232 => 0x0233,
712            0x023a => 0x2c65,
713            0x023b => 0x023c,
714            0x023d => 0x019a,
715            0x023e => 0x2c66,
716            0x0241 => 0x0242,
717            0x0243 => 0x0180,
718            0x0244 => 0x0289,
719            0x0245 => 0x028c,
720            0x0246 => 0x0247,
721            0x0248 => 0x0249,
722            0x024a => 0x024b,
723            0x024c => 0x024d,
724            0x024e => 0x024f,
725            0x0345 => 0x03b9,
726            0x0370 => 0x0371,
727            0x0372 => 0x0373,
728            0x0376 => 0x0377,
729            0x037f => 0x03f3,
730            0x0386 => 0x03ac,
731            0x0388 => 0x03ad,
732            0x0389 => 0x03ae,
733            0x038a => 0x03af,
734            0x038c => 0x03cc,
735            0x038e => 0x03cd,
736            0x038f => 0x03ce,
737            0x0390 => return Fold::Three('\u{03b9}', '\u{0308}', '\u{0301}',),
738            0x0391 => 0x03b1,
739            0x0392 => 0x03b2,
740            0x0393 => 0x03b3,
741            0x0394 => 0x03b4,
742            0x0395 => 0x03b5,
743            0x0396 => 0x03b6,
744            0x0397 => 0x03b7,
745            0x0398 => 0x03b8,
746            0x0399 => 0x03b9,
747            0x039a => 0x03ba,
748            0x039b => 0x03bb,
749            0x039c => 0x03bc,
750            0x039d => 0x03bd,
751            0x039e => 0x03be,
752            0x039f => 0x03bf,
753            0x03a0 => 0x03c0,
754            0x03a1 => 0x03c1,
755            0x03a3 => 0x03c3,
756            0x03a4 => 0x03c4,
757            0x03a5 => 0x03c5,
758            0x03a6 => 0x03c6,
759            0x03a7 => 0x03c7,
760            0x03a8 => 0x03c8,
761            0x03a9 => 0x03c9,
762            0x03aa => 0x03ca,
763            0x03ab => 0x03cb,
764            0x03b0 => return Fold::Three('\u{03c5}', '\u{0308}', '\u{0301}',),
765            0x03c2 => 0x03c3,
766            0x03cf => 0x03d7,
767            0x03d0 => 0x03b2,
768            0x03d1 => 0x03b8,
769            0x03d5 => 0x03c6,
770            0x03d6 => 0x03c0,
771            0x03d8 => 0x03d9,
772            0x03da => 0x03db,
773            0x03dc => 0x03dd,
774            0x03de => 0x03df,
775            0x03e0 => 0x03e1,
776            0x03e2 => 0x03e3,
777            0x03e4 => 0x03e5,
778            0x03e6 => 0x03e7,
779            0x03e8 => 0x03e9,
780            0x03ea => 0x03eb,
781            0x03ec => 0x03ed,
782            0x03ee => 0x03ef,
783            0x03f0 => 0x03ba,
784            0x03f1 => 0x03c1,
785            0x03f4 => 0x03b8,
786            0x03f5 => 0x03b5,
787            0x03f7 => 0x03f8,
788            0x03f9 => 0x03f2,
789            0x03fa => 0x03fb,
790            0x03fd => 0x037b,
791            0x03fe => 0x037c,
792            0x03ff => 0x037d,
793            0x0400 => 0x0450,
794            0x0401 => 0x0451,
795            0x0402 => 0x0452,
796            0x0403 => 0x0453,
797            0x0404 => 0x0454,
798            0x0405 => 0x0455,
799            0x0406 => 0x0456,
800            0x0407 => 0x0457,
801            0x0408 => 0x0458,
802            0x0409 => 0x0459,
803            0x040a => 0x045a,
804            0x040b => 0x045b,
805            0x040c => 0x045c,
806            0x040d => 0x045d,
807            0x040e => 0x045e,
808            0x040f => 0x045f,
809            0x0410 => 0x0430,
810            0x0411 => 0x0431,
811            0x0412 => 0x0432,
812            0x0413 => 0x0433,
813            0x0414 => 0x0434,
814            0x0415 => 0x0435,
815            0x0416 => 0x0436,
816            0x0417 => 0x0437,
817            0x0418 => 0x0438,
818            0x0419 => 0x0439,
819            0x041a => 0x043a,
820            0x041b => 0x043b,
821            0x041c => 0x043c,
822            0x041d => 0x043d,
823            0x041e => 0x043e,
824            0x041f => 0x043f,
825            0x0420 => 0x0440,
826            0x0421 => 0x0441,
827            0x0422 => 0x0442,
828            0x0423 => 0x0443,
829            0x0424 => 0x0444,
830            0x0425 => 0x0445,
831            0x0426 => 0x0446,
832            0x0427 => 0x0447,
833            0x0428 => 0x0448,
834            0x0429 => 0x0449,
835            0x042a => 0x044a,
836            0x042b => 0x044b,
837            0x042c => 0x044c,
838            0x042d => 0x044d,
839            0x042e => 0x044e,
840            0x042f => 0x044f,
841            0x0460 => 0x0461,
842            0x0462 => 0x0463,
843            0x0464 => 0x0465,
844            0x0466 => 0x0467,
845            0x0468 => 0x0469,
846            0x046a => 0x046b,
847            0x046c => 0x046d,
848            0x046e => 0x046f,
849            0x0470 => 0x0471,
850            0x0472 => 0x0473,
851            0x0474 => 0x0475,
852            0x0476 => 0x0477,
853            0x0478 => 0x0479,
854            0x047a => 0x047b,
855            0x047c => 0x047d,
856            0x047e => 0x047f,
857            0x0480 => 0x0481,
858            0x048a => 0x048b,
859            0x048c => 0x048d,
860            0x048e => 0x048f,
861            0x0490 => 0x0491,
862            0x0492 => 0x0493,
863            0x0494 => 0x0495,
864            0x0496 => 0x0497,
865            0x0498 => 0x0499,
866            0x049a => 0x049b,
867            0x049c => 0x049d,
868            0x049e => 0x049f,
869            0x04a0 => 0x04a1,
870            0x04a2 => 0x04a3,
871            0x04a4 => 0x04a5,
872            0x04a6 => 0x04a7,
873            0x04a8 => 0x04a9,
874            0x04aa => 0x04ab,
875            0x04ac => 0x04ad,
876            0x04ae => 0x04af,
877            0x04b0 => 0x04b1,
878            0x04b2 => 0x04b3,
879            0x04b4 => 0x04b5,
880            0x04b6 => 0x04b7,
881            0x04b8 => 0x04b9,
882            0x04ba => 0x04bb,
883            0x04bc => 0x04bd,
884            0x04be => 0x04bf,
885            0x04c0 => 0x04cf,
886            0x04c1 => 0x04c2,
887            0x04c3 => 0x04c4,
888            0x04c5 => 0x04c6,
889            0x04c7 => 0x04c8,
890            0x04c9 => 0x04ca,
891            0x04cb => 0x04cc,
892            0x04cd => 0x04ce,
893            0x04d0 => 0x04d1,
894            0x04d2 => 0x04d3,
895            0x04d4 => 0x04d5,
896            0x04d6 => 0x04d7,
897            0x04d8 => 0x04d9,
898            0x04da => 0x04db,
899            0x04dc => 0x04dd,
900            0x04de => 0x04df,
901            0x04e0 => 0x04e1,
902            0x04e2 => 0x04e3,
903            0x04e4 => 0x04e5,
904            0x04e6 => 0x04e7,
905            0x04e8 => 0x04e9,
906            0x04ea => 0x04eb,
907            0x04ec => 0x04ed,
908            0x04ee => 0x04ef,
909            0x04f0 => 0x04f1,
910            0x04f2 => 0x04f3,
911            0x04f4 => 0x04f5,
912            0x04f6 => 0x04f7,
913            0x04f8 => 0x04f9,
914            0x04fa => 0x04fb,
915            0x04fc => 0x04fd,
916            0x04fe => 0x04ff,
917            0x0500 => 0x0501,
918            0x0502 => 0x0503,
919            0x0504 => 0x0505,
920            0x0506 => 0x0507,
921            0x0508 => 0x0509,
922            0x050a => 0x050b,
923            0x050c => 0x050d,
924            0x050e => 0x050f,
925            0x0510 => 0x0511,
926            0x0512 => 0x0513,
927            0x0514 => 0x0515,
928            0x0516 => 0x0517,
929            0x0518 => 0x0519,
930            0x051a => 0x051b,
931            0x051c => 0x051d,
932            0x051e => 0x051f,
933            0x0520 => 0x0521,
934            0x0522 => 0x0523,
935            0x0524 => 0x0525,
936            0x0526 => 0x0527,
937            0x0528 => 0x0529,
938            0x052a => 0x052b,
939            0x052c => 0x052d,
940            0x052e => 0x052f,
941            0x0531 => 0x0561,
942            0x0532 => 0x0562,
943            0x0533 => 0x0563,
944            0x0534 => 0x0564,
945            0x0535 => 0x0565,
946            0x0536 => 0x0566,
947            0x0537 => 0x0567,
948            0x0538 => 0x0568,
949            0x0539 => 0x0569,
950            0x053a => 0x056a,
951            0x053b => 0x056b,
952            0x053c => 0x056c,
953            0x053d => 0x056d,
954            0x053e => 0x056e,
955            0x053f => 0x056f,
956            0x0540 => 0x0570,
957            0x0541 => 0x0571,
958            0x0542 => 0x0572,
959            0x0543 => 0x0573,
960            0x0544 => 0x0574,
961            0x0545 => 0x0575,
962            0x0546 => 0x0576,
963            0x0547 => 0x0577,
964            0x0548 => 0x0578,
965            0x0549 => 0x0579,
966            0x054a => 0x057a,
967            0x054b => 0x057b,
968            0x054c => 0x057c,
969            0x054d => 0x057d,
970            0x054e => 0x057e,
971            0x054f => 0x057f,
972            0x0550 => 0x0580,
973            0x0551 => 0x0581,
974            0x0552 => 0x0582,
975            0x0553 => 0x0583,
976            0x0554 => 0x0584,
977            0x0555 => 0x0585,
978            0x0556 => 0x0586,
979            0x0587 => return Fold::Two('\u{0565}', '\u{0582}',),
980            0x10a0 => 0x2d00,
981            0x10a1 => 0x2d01,
982            0x10a2 => 0x2d02,
983            0x10a3 => 0x2d03,
984            0x10a4 => 0x2d04,
985            0x10a5 => 0x2d05,
986            0x10a6 => 0x2d06,
987            0x10a7 => 0x2d07,
988            0x10a8 => 0x2d08,
989            0x10a9 => 0x2d09,
990            0x10aa => 0x2d0a,
991            0x10ab => 0x2d0b,
992            0x10ac => 0x2d0c,
993            0x10ad => 0x2d0d,
994            0x10ae => 0x2d0e,
995            0x10af => 0x2d0f,
996            0x10b0 => 0x2d10,
997            0x10b1 => 0x2d11,
998            0x10b2 => 0x2d12,
999            0x10b3 => 0x2d13,
1000            0x10b4 => 0x2d14,
1001            0x10b5 => 0x2d15,
1002            0x10b6 => 0x2d16,
1003            0x10b7 => 0x2d17,
1004            0x10b8 => 0x2d18,
1005            0x10b9 => 0x2d19,
1006            0x10ba => 0x2d1a,
1007            0x10bb => 0x2d1b,
1008            0x10bc => 0x2d1c,
1009            0x10bd => 0x2d1d,
1010            0x10be => 0x2d1e,
1011            0x10bf => 0x2d1f,
1012            0x10c0 => 0x2d20,
1013            0x10c1 => 0x2d21,
1014            0x10c2 => 0x2d22,
1015            0x10c3 => 0x2d23,
1016            0x10c4 => 0x2d24,
1017            0x10c5 => 0x2d25,
1018            0x10c7 => 0x2d27,
1019            0x10cd => 0x2d2d,
1020            0x13f8 => 0x13f0,
1021            0x13f9 => 0x13f1,
1022            0x13fa => 0x13f2,
1023            0x13fb => 0x13f3,
1024            0x13fc => 0x13f4,
1025            0x13fd => 0x13f5,
1026            0x1c80 => 0x0432,
1027            0x1c81 => 0x0434,
1028            0x1c82 => 0x043e,
1029            0x1c83 => 0x0441,
1030            0x1c84 => 0x0442,
1031            0x1c85 => 0x0442,
1032            0x1c86 => 0x044a,
1033            0x1c87 => 0x0463,
1034            0x1c88 => 0xa64b,
1035            0x1c90 => 0x10d0,
1036            0x1c91 => 0x10d1,
1037            0x1c92 => 0x10d2,
1038            0x1c93 => 0x10d3,
1039            0x1c94 => 0x10d4,
1040            0x1c95 => 0x10d5,
1041            0x1c96 => 0x10d6,
1042            0x1c97 => 0x10d7,
1043            0x1c98 => 0x10d8,
1044            0x1c99 => 0x10d9,
1045            0x1c9a => 0x10da,
1046            0x1c9b => 0x10db,
1047            0x1c9c => 0x10dc,
1048            0x1c9d => 0x10dd,
1049            0x1c9e => 0x10de,
1050            0x1c9f => 0x10df,
1051            0x1ca0 => 0x10e0,
1052            0x1ca1 => 0x10e1,
1053            0x1ca2 => 0x10e2,
1054            0x1ca3 => 0x10e3,
1055            0x1ca4 => 0x10e4,
1056            0x1ca5 => 0x10e5,
1057            0x1ca6 => 0x10e6,
1058            0x1ca7 => 0x10e7,
1059            0x1ca8 => 0x10e8,
1060            0x1ca9 => 0x10e9,
1061            0x1caa => 0x10ea,
1062            0x1cab => 0x10eb,
1063            0x1cac => 0x10ec,
1064            0x1cad => 0x10ed,
1065            0x1cae => 0x10ee,
1066            0x1caf => 0x10ef,
1067            0x1cb0 => 0x10f0,
1068            0x1cb1 => 0x10f1,
1069            0x1cb2 => 0x10f2,
1070            0x1cb3 => 0x10f3,
1071            0x1cb4 => 0x10f4,
1072            0x1cb5 => 0x10f5,
1073            0x1cb6 => 0x10f6,
1074            0x1cb7 => 0x10f7,
1075            0x1cb8 => 0x10f8,
1076            0x1cb9 => 0x10f9,
1077            0x1cba => 0x10fa,
1078            0x1cbd => 0x10fd,
1079            0x1cbe => 0x10fe,
1080            0x1cbf => 0x10ff,
1081            0x1e00 => 0x1e01,
1082            0x1e02 => 0x1e03,
1083            0x1e04 => 0x1e05,
1084            0x1e06 => 0x1e07,
1085            0x1e08 => 0x1e09,
1086            0x1e0a => 0x1e0b,
1087            0x1e0c => 0x1e0d,
1088            0x1e0e => 0x1e0f,
1089            0x1e10 => 0x1e11,
1090            0x1e12 => 0x1e13,
1091            0x1e14 => 0x1e15,
1092            0x1e16 => 0x1e17,
1093            0x1e18 => 0x1e19,
1094            0x1e1a => 0x1e1b,
1095            0x1e1c => 0x1e1d,
1096            0x1e1e => 0x1e1f,
1097            0x1e20 => 0x1e21,
1098            0x1e22 => 0x1e23,
1099            0x1e24 => 0x1e25,
1100            0x1e26 => 0x1e27,
1101            0x1e28 => 0x1e29,
1102            0x1e2a => 0x1e2b,
1103            0x1e2c => 0x1e2d,
1104            0x1e2e => 0x1e2f,
1105            0x1e30 => 0x1e31,
1106            0x1e32 => 0x1e33,
1107            0x1e34 => 0x1e35,
1108            0x1e36 => 0x1e37,
1109            0x1e38 => 0x1e39,
1110            0x1e3a => 0x1e3b,
1111            0x1e3c => 0x1e3d,
1112            0x1e3e => 0x1e3f,
1113            0x1e40 => 0x1e41,
1114            0x1e42 => 0x1e43,
1115            0x1e44 => 0x1e45,
1116            0x1e46 => 0x1e47,
1117            0x1e48 => 0x1e49,
1118            0x1e4a => 0x1e4b,
1119            0x1e4c => 0x1e4d,
1120            0x1e4e => 0x1e4f,
1121            0x1e50 => 0x1e51,
1122            0x1e52 => 0x1e53,
1123            0x1e54 => 0x1e55,
1124            0x1e56 => 0x1e57,
1125            0x1e58 => 0x1e59,
1126            0x1e5a => 0x1e5b,
1127            0x1e5c => 0x1e5d,
1128            0x1e5e => 0x1e5f,
1129            0x1e60 => 0x1e61,
1130            0x1e62 => 0x1e63,
1131            0x1e64 => 0x1e65,
1132            0x1e66 => 0x1e67,
1133            0x1e68 => 0x1e69,
1134            0x1e6a => 0x1e6b,
1135            0x1e6c => 0x1e6d,
1136            0x1e6e => 0x1e6f,
1137            0x1e70 => 0x1e71,
1138            0x1e72 => 0x1e73,
1139            0x1e74 => 0x1e75,
1140            0x1e76 => 0x1e77,
1141            0x1e78 => 0x1e79,
1142            0x1e7a => 0x1e7b,
1143            0x1e7c => 0x1e7d,
1144            0x1e7e => 0x1e7f,
1145            0x1e80 => 0x1e81,
1146            0x1e82 => 0x1e83,
1147            0x1e84 => 0x1e85,
1148            0x1e86 => 0x1e87,
1149            0x1e88 => 0x1e89,
1150            0x1e8a => 0x1e8b,
1151            0x1e8c => 0x1e8d,
1152            0x1e8e => 0x1e8f,
1153            0x1e90 => 0x1e91,
1154            0x1e92 => 0x1e93,
1155            0x1e94 => 0x1e95,
1156            0x1e96 => return Fold::Two('\u{0068}', '\u{0331}',),
1157            0x1e97 => return Fold::Two('\u{0074}', '\u{0308}',),
1158            0x1e98 => return Fold::Two('\u{0077}', '\u{030a}',),
1159            0x1e99 => return Fold::Two('\u{0079}', '\u{030a}',),
1160            0x1e9a => return Fold::Two('\u{0061}', '\u{02be}',),
1161            0x1e9b => 0x1e61,
1162            0x1e9e => return Fold::Two('\u{0073}', '\u{0073}',),
1163            0x1ea0 => 0x1ea1,
1164            0x1ea2 => 0x1ea3,
1165            0x1ea4 => 0x1ea5,
1166            0x1ea6 => 0x1ea7,
1167            0x1ea8 => 0x1ea9,
1168            0x1eaa => 0x1eab,
1169            0x1eac => 0x1ead,
1170            0x1eae => 0x1eaf,
1171            0x1eb0 => 0x1eb1,
1172            0x1eb2 => 0x1eb3,
1173            0x1eb4 => 0x1eb5,
1174            0x1eb6 => 0x1eb7,
1175            0x1eb8 => 0x1eb9,
1176            0x1eba => 0x1ebb,
1177            0x1ebc => 0x1ebd,
1178            0x1ebe => 0x1ebf,
1179            0x1ec0 => 0x1ec1,
1180            0x1ec2 => 0x1ec3,
1181            0x1ec4 => 0x1ec5,
1182            0x1ec6 => 0x1ec7,
1183            0x1ec8 => 0x1ec9,
1184            0x1eca => 0x1ecb,
1185            0x1ecc => 0x1ecd,
1186            0x1ece => 0x1ecf,
1187            0x1ed0 => 0x1ed1,
1188            0x1ed2 => 0x1ed3,
1189            0x1ed4 => 0x1ed5,
1190            0x1ed6 => 0x1ed7,
1191            0x1ed8 => 0x1ed9,
1192            0x1eda => 0x1edb,
1193            0x1edc => 0x1edd,
1194            0x1ede => 0x1edf,
1195            0x1ee0 => 0x1ee1,
1196            0x1ee2 => 0x1ee3,
1197            0x1ee4 => 0x1ee5,
1198            0x1ee6 => 0x1ee7,
1199            0x1ee8 => 0x1ee9,
1200            0x1eea => 0x1eeb,
1201            0x1eec => 0x1eed,
1202            0x1eee => 0x1eef,
1203            0x1ef0 => 0x1ef1,
1204            0x1ef2 => 0x1ef3,
1205            0x1ef4 => 0x1ef5,
1206            0x1ef6 => 0x1ef7,
1207            0x1ef8 => 0x1ef9,
1208            0x1efa => 0x1efb,
1209            0x1efc => 0x1efd,
1210            0x1efe => 0x1eff,
1211            0x1f08 => 0x1f00,
1212            0x1f09 => 0x1f01,
1213            0x1f0a => 0x1f02,
1214            0x1f0b => 0x1f03,
1215            0x1f0c => 0x1f04,
1216            0x1f0d => 0x1f05,
1217            0x1f0e => 0x1f06,
1218            0x1f0f => 0x1f07,
1219            0x1f18 => 0x1f10,
1220            0x1f19 => 0x1f11,
1221            0x1f1a => 0x1f12,
1222            0x1f1b => 0x1f13,
1223            0x1f1c => 0x1f14,
1224            0x1f1d => 0x1f15,
1225            0x1f28 => 0x1f20,
1226            0x1f29 => 0x1f21,
1227            0x1f2a => 0x1f22,
1228            0x1f2b => 0x1f23,
1229            0x1f2c => 0x1f24,
1230            0x1f2d => 0x1f25,
1231            0x1f2e => 0x1f26,
1232            0x1f2f => 0x1f27,
1233            0x1f38 => 0x1f30,
1234            0x1f39 => 0x1f31,
1235            0x1f3a => 0x1f32,
1236            0x1f3b => 0x1f33,
1237            0x1f3c => 0x1f34,
1238            0x1f3d => 0x1f35,
1239            0x1f3e => 0x1f36,
1240            0x1f3f => 0x1f37,
1241            0x1f48 => 0x1f40,
1242            0x1f49 => 0x1f41,
1243            0x1f4a => 0x1f42,
1244            0x1f4b => 0x1f43,
1245            0x1f4c => 0x1f44,
1246            0x1f4d => 0x1f45,
1247            0x1f50 => return Fold::Two('\u{03c5}', '\u{0313}',),
1248            0x1f52 => return Fold::Three('\u{03c5}', '\u{0313}', '\u{0300}',),
1249            0x1f54 => return Fold::Three('\u{03c5}', '\u{0313}', '\u{0301}',),
1250            0x1f56 => return Fold::Three('\u{03c5}', '\u{0313}', '\u{0342}',),
1251            0x1f59 => 0x1f51,
1252            0x1f5b => 0x1f53,
1253            0x1f5d => 0x1f55,
1254            0x1f5f => 0x1f57,
1255            0x1f68 => 0x1f60,
1256            0x1f69 => 0x1f61,
1257            0x1f6a => 0x1f62,
1258            0x1f6b => 0x1f63,
1259            0x1f6c => 0x1f64,
1260            0x1f6d => 0x1f65,
1261            0x1f6e => 0x1f66,
1262            0x1f6f => 0x1f67,
1263            0x1f80 => return Fold::Two('\u{1f00}', '\u{03b9}',),
1264            0x1f81 => return Fold::Two('\u{1f01}', '\u{03b9}',),
1265            0x1f82 => return Fold::Two('\u{1f02}', '\u{03b9}',),
1266            0x1f83 => return Fold::Two('\u{1f03}', '\u{03b9}',),
1267            0x1f84 => return Fold::Two('\u{1f04}', '\u{03b9}',),
1268            0x1f85 => return Fold::Two('\u{1f05}', '\u{03b9}',),
1269            0x1f86 => return Fold::Two('\u{1f06}', '\u{03b9}',),
1270            0x1f87 => return Fold::Two('\u{1f07}', '\u{03b9}',),
1271            0x1f88 => return Fold::Two('\u{1f00}', '\u{03b9}',),
1272            0x1f89 => return Fold::Two('\u{1f01}', '\u{03b9}',),
1273            0x1f8a => return Fold::Two('\u{1f02}', '\u{03b9}',),
1274            0x1f8b => return Fold::Two('\u{1f03}', '\u{03b9}',),
1275            0x1f8c => return Fold::Two('\u{1f04}', '\u{03b9}',),
1276            0x1f8d => return Fold::Two('\u{1f05}', '\u{03b9}',),
1277            0x1f8e => return Fold::Two('\u{1f06}', '\u{03b9}',),
1278            0x1f8f => return Fold::Two('\u{1f07}', '\u{03b9}',),
1279            0x1f90 => return Fold::Two('\u{1f20}', '\u{03b9}',),
1280            0x1f91 => return Fold::Two('\u{1f21}', '\u{03b9}',),
1281            0x1f92 => return Fold::Two('\u{1f22}', '\u{03b9}',),
1282            0x1f93 => return Fold::Two('\u{1f23}', '\u{03b9}',),
1283            0x1f94 => return Fold::Two('\u{1f24}', '\u{03b9}',),
1284            0x1f95 => return Fold::Two('\u{1f25}', '\u{03b9}',),
1285            0x1f96 => return Fold::Two('\u{1f26}', '\u{03b9}',),
1286            0x1f97 => return Fold::Two('\u{1f27}', '\u{03b9}',),
1287            0x1f98 => return Fold::Two('\u{1f20}', '\u{03b9}',),
1288            0x1f99 => return Fold::Two('\u{1f21}', '\u{03b9}',),
1289            0x1f9a => return Fold::Two('\u{1f22}', '\u{03b9}',),
1290            0x1f9b => return Fold::Two('\u{1f23}', '\u{03b9}',),
1291            0x1f9c => return Fold::Two('\u{1f24}', '\u{03b9}',),
1292            0x1f9d => return Fold::Two('\u{1f25}', '\u{03b9}',),
1293            0x1f9e => return Fold::Two('\u{1f26}', '\u{03b9}',),
1294            0x1f9f => return Fold::Two('\u{1f27}', '\u{03b9}',),
1295            0x1fa0 => return Fold::Two('\u{1f60}', '\u{03b9}',),
1296            0x1fa1 => return Fold::Two('\u{1f61}', '\u{03b9}',),
1297            0x1fa2 => return Fold::Two('\u{1f62}', '\u{03b9}',),
1298            0x1fa3 => return Fold::Two('\u{1f63}', '\u{03b9}',),
1299            0x1fa4 => return Fold::Two('\u{1f64}', '\u{03b9}',),
1300            0x1fa5 => return Fold::Two('\u{1f65}', '\u{03b9}',),
1301            0x1fa6 => return Fold::Two('\u{1f66}', '\u{03b9}',),
1302            0x1fa7 => return Fold::Two('\u{1f67}', '\u{03b9}',),
1303            0x1fa8 => return Fold::Two('\u{1f60}', '\u{03b9}',),
1304            0x1fa9 => return Fold::Two('\u{1f61}', '\u{03b9}',),
1305            0x1faa => return Fold::Two('\u{1f62}', '\u{03b9}',),
1306            0x1fab => return Fold::Two('\u{1f63}', '\u{03b9}',),
1307            0x1fac => return Fold::Two('\u{1f64}', '\u{03b9}',),
1308            0x1fad => return Fold::Two('\u{1f65}', '\u{03b9}',),
1309            0x1fae => return Fold::Two('\u{1f66}', '\u{03b9}',),
1310            0x1faf => return Fold::Two('\u{1f67}', '\u{03b9}',),
1311            0x1fb2 => return Fold::Two('\u{1f70}', '\u{03b9}',),
1312            0x1fb3 => return Fold::Two('\u{03b1}', '\u{03b9}',),
1313            0x1fb4 => return Fold::Two('\u{03ac}', '\u{03b9}',),
1314            0x1fb6 => return Fold::Two('\u{03b1}', '\u{0342}',),
1315            0x1fb7 => return Fold::Three('\u{03b1}', '\u{0342}', '\u{03b9}',),
1316            0x1fb8 => 0x1fb0,
1317            0x1fb9 => 0x1fb1,
1318            0x1fba => 0x1f70,
1319            0x1fbb => 0x1f71,
1320            0x1fbc => return Fold::Two('\u{03b1}', '\u{03b9}',),
1321            0x1fbe => 0x03b9,
1322            0x1fc2 => return Fold::Two('\u{1f74}', '\u{03b9}',),
1323            0x1fc3 => return Fold::Two('\u{03b7}', '\u{03b9}',),
1324            0x1fc4 => return Fold::Two('\u{03ae}', '\u{03b9}',),
1325            0x1fc6 => return Fold::Two('\u{03b7}', '\u{0342}',),
1326            0x1fc7 => return Fold::Three('\u{03b7}', '\u{0342}', '\u{03b9}',),
1327            0x1fc8 => 0x1f72,
1328            0x1fc9 => 0x1f73,
1329            0x1fca => 0x1f74,
1330            0x1fcb => 0x1f75,
1331            0x1fcc => return Fold::Two('\u{03b7}', '\u{03b9}',),
1332            0x1fd2 => return Fold::Three('\u{03b9}', '\u{0308}', '\u{0300}',),
1333            0x1fd3 => return Fold::Three('\u{03b9}', '\u{0308}', '\u{0301}',),
1334            0x1fd6 => return Fold::Two('\u{03b9}', '\u{0342}',),
1335            0x1fd7 => return Fold::Three('\u{03b9}', '\u{0308}', '\u{0342}',),
1336            0x1fd8 => 0x1fd0,
1337            0x1fd9 => 0x1fd1,
1338            0x1fda => 0x1f76,
1339            0x1fdb => 0x1f77,
1340            0x1fe2 => return Fold::Three('\u{03c5}', '\u{0308}', '\u{0300}',),
1341            0x1fe3 => return Fold::Three('\u{03c5}', '\u{0308}', '\u{0301}',),
1342            0x1fe4 => return Fold::Two('\u{03c1}', '\u{0313}',),
1343            0x1fe6 => return Fold::Two('\u{03c5}', '\u{0342}',),
1344            0x1fe7 => return Fold::Three('\u{03c5}', '\u{0308}', '\u{0342}',),
1345            0x1fe8 => 0x1fe0,
1346            0x1fe9 => 0x1fe1,
1347            0x1fea => 0x1f7a,
1348            0x1feb => 0x1f7b,
1349            0x1fec => 0x1fe5,
1350            0x1ff2 => return Fold::Two('\u{1f7c}', '\u{03b9}',),
1351            0x1ff3 => return Fold::Two('\u{03c9}', '\u{03b9}',),
1352            0x1ff4 => return Fold::Two('\u{03ce}', '\u{03b9}',),
1353            0x1ff6 => return Fold::Two('\u{03c9}', '\u{0342}',),
1354            0x1ff7 => return Fold::Three('\u{03c9}', '\u{0342}', '\u{03b9}',),
1355            0x1ff8 => 0x1f78,
1356            0x1ff9 => 0x1f79,
1357            0x1ffa => 0x1f7c,
1358            0x1ffb => 0x1f7d,
1359            0x1ffc => return Fold::Two('\u{03c9}', '\u{03b9}',),
1360            0x2126 => 0x03c9,
1361            0x212a => 0x006b,
1362            0x212b => 0x00e5,
1363            0x2132 => 0x214e,
1364            0x2160 => 0x2170,
1365            0x2161 => 0x2171,
1366            0x2162 => 0x2172,
1367            0x2163 => 0x2173,
1368            0x2164 => 0x2174,
1369            0x2165 => 0x2175,
1370            0x2166 => 0x2176,
1371            0x2167 => 0x2177,
1372            0x2168 => 0x2178,
1373            0x2169 => 0x2179,
1374            0x216a => 0x217a,
1375            0x216b => 0x217b,
1376            0x216c => 0x217c,
1377            0x216d => 0x217d,
1378            0x216e => 0x217e,
1379            0x216f => 0x217f,
1380            0x2183 => 0x2184,
1381            0x24b6 => 0x24d0,
1382            0x24b7 => 0x24d1,
1383            0x24b8 => 0x24d2,
1384            0x24b9 => 0x24d3,
1385            0x24ba => 0x24d4,
1386            0x24bb => 0x24d5,
1387            0x24bc => 0x24d6,
1388            0x24bd => 0x24d7,
1389            0x24be => 0x24d8,
1390            0x24bf => 0x24d9,
1391            0x24c0 => 0x24da,
1392            0x24c1 => 0x24db,
1393            0x24c2 => 0x24dc,
1394            0x24c3 => 0x24dd,
1395            0x24c4 => 0x24de,
1396            0x24c5 => 0x24df,
1397            0x24c6 => 0x24e0,
1398            0x24c7 => 0x24e1,
1399            0x24c8 => 0x24e2,
1400            0x24c9 => 0x24e3,
1401            0x24ca => 0x24e4,
1402            0x24cb => 0x24e5,
1403            0x24cc => 0x24e6,
1404            0x24cd => 0x24e7,
1405            0x24ce => 0x24e8,
1406            0x24cf => 0x24e9,
1407            0x2c00 => 0x2c30,
1408            0x2c01 => 0x2c31,
1409            0x2c02 => 0x2c32,
1410            0x2c03 => 0x2c33,
1411            0x2c04 => 0x2c34,
1412            0x2c05 => 0x2c35,
1413            0x2c06 => 0x2c36,
1414            0x2c07 => 0x2c37,
1415            0x2c08 => 0x2c38,
1416            0x2c09 => 0x2c39,
1417            0x2c0a => 0x2c3a,
1418            0x2c0b => 0x2c3b,
1419            0x2c0c => 0x2c3c,
1420            0x2c0d => 0x2c3d,
1421            0x2c0e => 0x2c3e,
1422            0x2c0f => 0x2c3f,
1423            0x2c10 => 0x2c40,
1424            0x2c11 => 0x2c41,
1425            0x2c12 => 0x2c42,
1426            0x2c13 => 0x2c43,
1427            0x2c14 => 0x2c44,
1428            0x2c15 => 0x2c45,
1429            0x2c16 => 0x2c46,
1430            0x2c17 => 0x2c47,
1431            0x2c18 => 0x2c48,
1432            0x2c19 => 0x2c49,
1433            0x2c1a => 0x2c4a,
1434            0x2c1b => 0x2c4b,
1435            0x2c1c => 0x2c4c,
1436            0x2c1d => 0x2c4d,
1437            0x2c1e => 0x2c4e,
1438            0x2c1f => 0x2c4f,
1439            0x2c20 => 0x2c50,
1440            0x2c21 => 0x2c51,
1441            0x2c22 => 0x2c52,
1442            0x2c23 => 0x2c53,
1443            0x2c24 => 0x2c54,
1444            0x2c25 => 0x2c55,
1445            0x2c26 => 0x2c56,
1446            0x2c27 => 0x2c57,
1447            0x2c28 => 0x2c58,
1448            0x2c29 => 0x2c59,
1449            0x2c2a => 0x2c5a,
1450            0x2c2b => 0x2c5b,
1451            0x2c2c => 0x2c5c,
1452            0x2c2d => 0x2c5d,
1453            0x2c2e => 0x2c5e,
1454            0x2c60 => 0x2c61,
1455            0x2c62 => 0x026b,
1456            0x2c63 => 0x1d7d,
1457            0x2c64 => 0x027d,
1458            0x2c67 => 0x2c68,
1459            0x2c69 => 0x2c6a,
1460            0x2c6b => 0x2c6c,
1461            0x2c6d => 0x0251,
1462            0x2c6e => 0x0271,
1463            0x2c6f => 0x0250,
1464            0x2c70 => 0x0252,
1465            0x2c72 => 0x2c73,
1466            0x2c75 => 0x2c76,
1467            0x2c7e => 0x023f,
1468            0x2c7f => 0x0240,
1469            0x2c80 => 0x2c81,
1470            0x2c82 => 0x2c83,
1471            0x2c84 => 0x2c85,
1472            0x2c86 => 0x2c87,
1473            0x2c88 => 0x2c89,
1474            0x2c8a => 0x2c8b,
1475            0x2c8c => 0x2c8d,
1476            0x2c8e => 0x2c8f,
1477            0x2c90 => 0x2c91,
1478            0x2c92 => 0x2c93,
1479            0x2c94 => 0x2c95,
1480            0x2c96 => 0x2c97,
1481            0x2c98 => 0x2c99,
1482            0x2c9a => 0x2c9b,
1483            0x2c9c => 0x2c9d,
1484            0x2c9e => 0x2c9f,
1485            0x2ca0 => 0x2ca1,
1486            0x2ca2 => 0x2ca3,
1487            0x2ca4 => 0x2ca5,
1488            0x2ca6 => 0x2ca7,
1489            0x2ca8 => 0x2ca9,
1490            0x2caa => 0x2cab,
1491            0x2cac => 0x2cad,
1492            0x2cae => 0x2caf,
1493            0x2cb0 => 0x2cb1,
1494            0x2cb2 => 0x2cb3,
1495            0x2cb4 => 0x2cb5,
1496            0x2cb6 => 0x2cb7,
1497            0x2cb8 => 0x2cb9,
1498            0x2cba => 0x2cbb,
1499            0x2cbc => 0x2cbd,
1500            0x2cbe => 0x2cbf,
1501            0x2cc0 => 0x2cc1,
1502            0x2cc2 => 0x2cc3,
1503            0x2cc4 => 0x2cc5,
1504            0x2cc6 => 0x2cc7,
1505            0x2cc8 => 0x2cc9,
1506            0x2cca => 0x2ccb,
1507            0x2ccc => 0x2ccd,
1508            0x2cce => 0x2ccf,
1509            0x2cd0 => 0x2cd1,
1510            0x2cd2 => 0x2cd3,
1511            0x2cd4 => 0x2cd5,
1512            0x2cd6 => 0x2cd7,
1513            0x2cd8 => 0x2cd9,
1514            0x2cda => 0x2cdb,
1515            0x2cdc => 0x2cdd,
1516            0x2cde => 0x2cdf,
1517            0x2ce0 => 0x2ce1,
1518            0x2ce2 => 0x2ce3,
1519            0x2ceb => 0x2cec,
1520            0x2ced => 0x2cee,
1521            0x2cf2 => 0x2cf3,
1522            0xa640 => 0xa641,
1523            0xa642 => 0xa643,
1524            0xa644 => 0xa645,
1525            0xa646 => 0xa647,
1526            0xa648 => 0xa649,
1527            0xa64a => 0xa64b,
1528            0xa64c => 0xa64d,
1529            0xa64e => 0xa64f,
1530            0xa650 => 0xa651,
1531            0xa652 => 0xa653,
1532            0xa654 => 0xa655,
1533            0xa656 => 0xa657,
1534            0xa658 => 0xa659,
1535            0xa65a => 0xa65b,
1536            0xa65c => 0xa65d,
1537            0xa65e => 0xa65f,
1538            0xa660 => 0xa661,
1539            0xa662 => 0xa663,
1540            0xa664 => 0xa665,
1541            0xa666 => 0xa667,
1542            0xa668 => 0xa669,
1543            0xa66a => 0xa66b,
1544            0xa66c => 0xa66d,
1545            0xa680 => 0xa681,
1546            0xa682 => 0xa683,
1547            0xa684 => 0xa685,
1548            0xa686 => 0xa687,
1549            0xa688 => 0xa689,
1550            0xa68a => 0xa68b,
1551            0xa68c => 0xa68d,
1552            0xa68e => 0xa68f,
1553            0xa690 => 0xa691,
1554            0xa692 => 0xa693,
1555            0xa694 => 0xa695,
1556            0xa696 => 0xa697,
1557            0xa698 => 0xa699,
1558            0xa69a => 0xa69b,
1559            0xa722 => 0xa723,
1560            0xa724 => 0xa725,
1561            0xa726 => 0xa727,
1562            0xa728 => 0xa729,
1563            0xa72a => 0xa72b,
1564            0xa72c => 0xa72d,
1565            0xa72e => 0xa72f,
1566            0xa732 => 0xa733,
1567            0xa734 => 0xa735,
1568            0xa736 => 0xa737,
1569            0xa738 => 0xa739,
1570            0xa73a => 0xa73b,
1571            0xa73c => 0xa73d,
1572            0xa73e => 0xa73f,
1573            0xa740 => 0xa741,
1574            0xa742 => 0xa743,
1575            0xa744 => 0xa745,
1576            0xa746 => 0xa747,
1577            0xa748 => 0xa749,
1578            0xa74a => 0xa74b,
1579            0xa74c => 0xa74d,
1580            0xa74e => 0xa74f,
1581            0xa750 => 0xa751,
1582            0xa752 => 0xa753,
1583            0xa754 => 0xa755,
1584            0xa756 => 0xa757,
1585            0xa758 => 0xa759,
1586            0xa75a => 0xa75b,
1587            0xa75c => 0xa75d,
1588            0xa75e => 0xa75f,
1589            0xa760 => 0xa761,
1590            0xa762 => 0xa763,
1591            0xa764 => 0xa765,
1592            0xa766 => 0xa767,
1593            0xa768 => 0xa769,
1594            0xa76a => 0xa76b,
1595            0xa76c => 0xa76d,
1596            0xa76e => 0xa76f,
1597            0xa779 => 0xa77a,
1598            0xa77b => 0xa77c,
1599            0xa77d => 0x1d79,
1600            0xa77e => 0xa77f,
1601            0xa780 => 0xa781,
1602            0xa782 => 0xa783,
1603            0xa784 => 0xa785,
1604            0xa786 => 0xa787,
1605            0xa78b => 0xa78c,
1606            0xa78d => 0x0265,
1607            0xa790 => 0xa791,
1608            0xa792 => 0xa793,
1609            0xa796 => 0xa797,
1610            0xa798 => 0xa799,
1611            0xa79a => 0xa79b,
1612            0xa79c => 0xa79d,
1613            0xa79e => 0xa79f,
1614            0xa7a0 => 0xa7a1,
1615            0xa7a2 => 0xa7a3,
1616            0xa7a4 => 0xa7a5,
1617            0xa7a6 => 0xa7a7,
1618            0xa7a8 => 0xa7a9,
1619            0xa7aa => 0x0266,
1620            0xa7ab => 0x025c,
1621            0xa7ac => 0x0261,
1622            0xa7ad => 0x026c,
1623            0xa7ae => 0x026a,
1624            0xa7b0 => 0x029e,
1625            0xa7b1 => 0x0287,
1626            0xa7b2 => 0x029d,
1627            0xa7b3 => 0xab53,
1628            0xa7b4 => 0xa7b5,
1629            0xa7b6 => 0xa7b7,
1630            0xa7b8 => 0xa7b9,
1631            0xa7ba => 0xa7bb,
1632            0xa7bc => 0xa7bd,
1633            0xa7be => 0xa7bf,
1634            0xa7c2 => 0xa7c3,
1635            0xa7c4 => 0xa794,
1636            0xa7c5 => 0x0282,
1637            0xa7c6 => 0x1d8e,
1638            0xab70 => 0x13a0,
1639            0xab71 => 0x13a1,
1640            0xab72 => 0x13a2,
1641            0xab73 => 0x13a3,
1642            0xab74 => 0x13a4,
1643            0xab75 => 0x13a5,
1644            0xab76 => 0x13a6,
1645            0xab77 => 0x13a7,
1646            0xab78 => 0x13a8,
1647            0xab79 => 0x13a9,
1648            0xab7a => 0x13aa,
1649            0xab7b => 0x13ab,
1650            0xab7c => 0x13ac,
1651            0xab7d => 0x13ad,
1652            0xab7e => 0x13ae,
1653            0xab7f => 0x13af,
1654            0xab80 => 0x13b0,
1655            0xab81 => 0x13b1,
1656            0xab82 => 0x13b2,
1657            0xab83 => 0x13b3,
1658            0xab84 => 0x13b4,
1659            0xab85 => 0x13b5,
1660            0xab86 => 0x13b6,
1661            0xab87 => 0x13b7,
1662            0xab88 => 0x13b8,
1663            0xab89 => 0x13b9,
1664            0xab8a => 0x13ba,
1665            0xab8b => 0x13bb,
1666            0xab8c => 0x13bc,
1667            0xab8d => 0x13bd,
1668            0xab8e => 0x13be,
1669            0xab8f => 0x13bf,
1670            0xab90 => 0x13c0,
1671            0xab91 => 0x13c1,
1672            0xab92 => 0x13c2,
1673            0xab93 => 0x13c3,
1674            0xab94 => 0x13c4,
1675            0xab95 => 0x13c5,
1676            0xab96 => 0x13c6,
1677            0xab97 => 0x13c7,
1678            0xab98 => 0x13c8,
1679            0xab99 => 0x13c9,
1680            0xab9a => 0x13ca,
1681            0xab9b => 0x13cb,
1682            0xab9c => 0x13cc,
1683            0xab9d => 0x13cd,
1684            0xab9e => 0x13ce,
1685            0xab9f => 0x13cf,
1686            0xaba0 => 0x13d0,
1687            0xaba1 => 0x13d1,
1688            0xaba2 => 0x13d2,
1689            0xaba3 => 0x13d3,
1690            0xaba4 => 0x13d4,
1691            0xaba5 => 0x13d5,
1692            0xaba6 => 0x13d6,
1693            0xaba7 => 0x13d7,
1694            0xaba8 => 0x13d8,
1695            0xaba9 => 0x13d9,
1696            0xabaa => 0x13da,
1697            0xabab => 0x13db,
1698            0xabac => 0x13dc,
1699            0xabad => 0x13dd,
1700            0xabae => 0x13de,
1701            0xabaf => 0x13df,
1702            0xabb0 => 0x13e0,
1703            0xabb1 => 0x13e1,
1704            0xabb2 => 0x13e2,
1705            0xabb3 => 0x13e3,
1706            0xabb4 => 0x13e4,
1707            0xabb5 => 0x13e5,
1708            0xabb6 => 0x13e6,
1709            0xabb7 => 0x13e7,
1710            0xabb8 => 0x13e8,
1711            0xabb9 => 0x13e9,
1712            0xabba => 0x13ea,
1713            0xabbb => 0x13eb,
1714            0xabbc => 0x13ec,
1715            0xabbd => 0x13ed,
1716            0xabbe => 0x13ee,
1717            0xabbf => 0x13ef,
1718            0xfb00 => return Fold::Two('\u{0066}', '\u{0066}',),
1719            0xfb01 => return Fold::Two('\u{0066}', '\u{0069}',),
1720            0xfb02 => return Fold::Two('\u{0066}', '\u{006c}',),
1721            0xfb03 => return Fold::Three('\u{0066}', '\u{0066}', '\u{0069}',),
1722            0xfb04 => return Fold::Three('\u{0066}', '\u{0066}', '\u{006c}',),
1723            0xfb05 => return Fold::Two('\u{0073}', '\u{0074}',),
1724            0xfb06 => return Fold::Two('\u{0073}', '\u{0074}',),
1725            0xfb13 => return Fold::Two('\u{0574}', '\u{0576}',),
1726            0xfb14 => return Fold::Two('\u{0574}', '\u{0565}',),
1727            0xfb15 => return Fold::Two('\u{0574}', '\u{056b}',),
1728            0xfb16 => return Fold::Two('\u{057e}', '\u{0576}',),
1729            0xfb17 => return Fold::Two('\u{0574}', '\u{056d}',),
1730            0xff21 => 0xff41,
1731            0xff22 => 0xff42,
1732            0xff23 => 0xff43,
1733            0xff24 => 0xff44,
1734            0xff25 => 0xff45,
1735            0xff26 => 0xff46,
1736            0xff27 => 0xff47,
1737            0xff28 => 0xff48,
1738            0xff29 => 0xff49,
1739            0xff2a => 0xff4a,
1740            0xff2b => 0xff4b,
1741            0xff2c => 0xff4c,
1742            0xff2d => 0xff4d,
1743            0xff2e => 0xff4e,
1744            0xff2f => 0xff4f,
1745            0xff30 => 0xff50,
1746            0xff31 => 0xff51,
1747            0xff32 => 0xff52,
1748            0xff33 => 0xff53,
1749            0xff34 => 0xff54,
1750            0xff35 => 0xff55,
1751            0xff36 => 0xff56,
1752            0xff37 => 0xff57,
1753            0xff38 => 0xff58,
1754            0xff39 => 0xff59,
1755            0xff3a => 0xff5a,
1756            0x10400 => 0x10428,
1757            0x10401 => 0x10429,
1758            0x10402 => 0x1042a,
1759            0x10403 => 0x1042b,
1760            0x10404 => 0x1042c,
1761            0x10405 => 0x1042d,
1762            0x10406 => 0x1042e,
1763            0x10407 => 0x1042f,
1764            0x10408 => 0x10430,
1765            0x10409 => 0x10431,
1766            0x1040a => 0x10432,
1767            0x1040b => 0x10433,
1768            0x1040c => 0x10434,
1769            0x1040d => 0x10435,
1770            0x1040e => 0x10436,
1771            0x1040f => 0x10437,
1772            0x10410 => 0x10438,
1773            0x10411 => 0x10439,
1774            0x10412 => 0x1043a,
1775            0x10413 => 0x1043b,
1776            0x10414 => 0x1043c,
1777            0x10415 => 0x1043d,
1778            0x10416 => 0x1043e,
1779            0x10417 => 0x1043f,
1780            0x10418 => 0x10440,
1781            0x10419 => 0x10441,
1782            0x1041a => 0x10442,
1783            0x1041b => 0x10443,
1784            0x1041c => 0x10444,
1785            0x1041d => 0x10445,
1786            0x1041e => 0x10446,
1787            0x1041f => 0x10447,
1788            0x10420 => 0x10448,
1789            0x10421 => 0x10449,
1790            0x10422 => 0x1044a,
1791            0x10423 => 0x1044b,
1792            0x10424 => 0x1044c,
1793            0x10425 => 0x1044d,
1794            0x10426 => 0x1044e,
1795            0x10427 => 0x1044f,
1796            0x104b0 => 0x104d8,
1797            0x104b1 => 0x104d9,
1798            0x104b2 => 0x104da,
1799            0x104b3 => 0x104db,
1800            0x104b4 => 0x104dc,
1801            0x104b5 => 0x104dd,
1802            0x104b6 => 0x104de,
1803            0x104b7 => 0x104df,
1804            0x104b8 => 0x104e0,
1805            0x104b9 => 0x104e1,
1806            0x104ba => 0x104e2,
1807            0x104bb => 0x104e3,
1808            0x104bc => 0x104e4,
1809            0x104bd => 0x104e5,
1810            0x104be => 0x104e6,
1811            0x104bf => 0x104e7,
1812            0x104c0 => 0x104e8,
1813            0x104c1 => 0x104e9,
1814            0x104c2 => 0x104ea,
1815            0x104c3 => 0x104eb,
1816            0x104c4 => 0x104ec,
1817            0x104c5 => 0x104ed,
1818            0x104c6 => 0x104ee,
1819            0x104c7 => 0x104ef,
1820            0x104c8 => 0x104f0,
1821            0x104c9 => 0x104f1,
1822            0x104ca => 0x104f2,
1823            0x104cb => 0x104f3,
1824            0x104cc => 0x104f4,
1825            0x104cd => 0x104f5,
1826            0x104ce => 0x104f6,
1827            0x104cf => 0x104f7,
1828            0x104d0 => 0x104f8,
1829            0x104d1 => 0x104f9,
1830            0x104d2 => 0x104fa,
1831            0x104d3 => 0x104fb,
1832            0x10c80 => 0x10cc0,
1833            0x10c81 => 0x10cc1,
1834            0x10c82 => 0x10cc2,
1835            0x10c83 => 0x10cc3,
1836            0x10c84 => 0x10cc4,
1837            0x10c85 => 0x10cc5,
1838            0x10c86 => 0x10cc6,
1839            0x10c87 => 0x10cc7,
1840            0x10c88 => 0x10cc8,
1841            0x10c89 => 0x10cc9,
1842            0x10c8a => 0x10cca,
1843            0x10c8b => 0x10ccb,
1844            0x10c8c => 0x10ccc,
1845            0x10c8d => 0x10ccd,
1846            0x10c8e => 0x10cce,
1847            0x10c8f => 0x10ccf,
1848            0x10c90 => 0x10cd0,
1849            0x10c91 => 0x10cd1,
1850            0x10c92 => 0x10cd2,
1851            0x10c93 => 0x10cd3,
1852            0x10c94 => 0x10cd4,
1853            0x10c95 => 0x10cd5,
1854            0x10c96 => 0x10cd6,
1855            0x10c97 => 0x10cd7,
1856            0x10c98 => 0x10cd8,
1857            0x10c99 => 0x10cd9,
1858            0x10c9a => 0x10cda,
1859            0x10c9b => 0x10cdb,
1860            0x10c9c => 0x10cdc,
1861            0x10c9d => 0x10cdd,
1862            0x10c9e => 0x10cde,
1863            0x10c9f => 0x10cdf,
1864            0x10ca0 => 0x10ce0,
1865            0x10ca1 => 0x10ce1,
1866            0x10ca2 => 0x10ce2,
1867            0x10ca3 => 0x10ce3,
1868            0x10ca4 => 0x10ce4,
1869            0x10ca5 => 0x10ce5,
1870            0x10ca6 => 0x10ce6,
1871            0x10ca7 => 0x10ce7,
1872            0x10ca8 => 0x10ce8,
1873            0x10ca9 => 0x10ce9,
1874            0x10caa => 0x10cea,
1875            0x10cab => 0x10ceb,
1876            0x10cac => 0x10cec,
1877            0x10cad => 0x10ced,
1878            0x10cae => 0x10cee,
1879            0x10caf => 0x10cef,
1880            0x10cb0 => 0x10cf0,
1881            0x10cb1 => 0x10cf1,
1882            0x10cb2 => 0x10cf2,
1883            0x118a0 => 0x118c0,
1884            0x118a1 => 0x118c1,
1885            0x118a2 => 0x118c2,
1886            0x118a3 => 0x118c3,
1887            0x118a4 => 0x118c4,
1888            0x118a5 => 0x118c5,
1889            0x118a6 => 0x118c6,
1890            0x118a7 => 0x118c7,
1891            0x118a8 => 0x118c8,
1892            0x118a9 => 0x118c9,
1893            0x118aa => 0x118ca,
1894            0x118ab => 0x118cb,
1895            0x118ac => 0x118cc,
1896            0x118ad => 0x118cd,
1897            0x118ae => 0x118ce,
1898            0x118af => 0x118cf,
1899            0x118b0 => 0x118d0,
1900            0x118b1 => 0x118d1,
1901            0x118b2 => 0x118d2,
1902            0x118b3 => 0x118d3,
1903            0x118b4 => 0x118d4,
1904            0x118b5 => 0x118d5,
1905            0x118b6 => 0x118d6,
1906            0x118b7 => 0x118d7,
1907            0x118b8 => 0x118d8,
1908            0x118b9 => 0x118d9,
1909            0x118ba => 0x118da,
1910            0x118bb => 0x118db,
1911            0x118bc => 0x118dc,
1912            0x118bd => 0x118dd,
1913            0x118be => 0x118de,
1914            0x118bf => 0x118df,
1915            0x16e40 => 0x16e60,
1916            0x16e41 => 0x16e61,
1917            0x16e42 => 0x16e62,
1918            0x16e43 => 0x16e63,
1919            0x16e44 => 0x16e64,
1920            0x16e45 => 0x16e65,
1921            0x16e46 => 0x16e66,
1922            0x16e47 => 0x16e67,
1923            0x16e48 => 0x16e68,
1924            0x16e49 => 0x16e69,
1925            0x16e4a => 0x16e6a,
1926            0x16e4b => 0x16e6b,
1927            0x16e4c => 0x16e6c,
1928            0x16e4d => 0x16e6d,
1929            0x16e4e => 0x16e6e,
1930            0x16e4f => 0x16e6f,
1931            0x16e50 => 0x16e70,
1932            0x16e51 => 0x16e71,
1933            0x16e52 => 0x16e72,
1934            0x16e53 => 0x16e73,
1935            0x16e54 => 0x16e74,
1936            0x16e55 => 0x16e75,
1937            0x16e56 => 0x16e76,
1938            0x16e57 => 0x16e77,
1939            0x16e58 => 0x16e78,
1940            0x16e59 => 0x16e79,
1941            0x16e5a => 0x16e7a,
1942            0x16e5b => 0x16e7b,
1943            0x16e5c => 0x16e7c,
1944            0x16e5d => 0x16e7d,
1945            0x16e5e => 0x16e7e,
1946            0x16e5f => 0x16e7f,
1947            0x1e900 => 0x1e922,
1948            0x1e901 => 0x1e923,
1949            0x1e902 => 0x1e924,
1950            0x1e903 => 0x1e925,
1951            0x1e904 => 0x1e926,
1952            0x1e905 => 0x1e927,
1953            0x1e906 => 0x1e928,
1954            0x1e907 => 0x1e929,
1955            0x1e908 => 0x1e92a,
1956            0x1e909 => 0x1e92b,
1957            0x1e90a => 0x1e92c,
1958            0x1e90b => 0x1e92d,
1959            0x1e90c => 0x1e92e,
1960            0x1e90d => 0x1e92f,
1961            0x1e90e => 0x1e930,
1962            0x1e90f => 0x1e931,
1963            0x1e910 => 0x1e932,
1964            0x1e911 => 0x1e933,
1965            0x1e912 => 0x1e934,
1966            0x1e913 => 0x1e935,
1967            0x1e914 => 0x1e936,
1968            0x1e915 => 0x1e937,
1969            0x1e916 => 0x1e938,
1970            0x1e917 => 0x1e939,
1971            0x1e918 => 0x1e93a,
1972            0x1e919 => 0x1e93b,
1973            0x1e91a => 0x1e93c,
1974            0x1e91b => 0x1e93d,
1975            0x1e91c => 0x1e93e,
1976            0x1e91d => 0x1e93f,
1977            0x1e91e => 0x1e940,
1978            0x1e91f => 0x1e941,
1979            0x1e920 => 0x1e942,
1980            0x1e921 => 0x1e943,
1981            _ => orig as u32
1982        };
1983        Fold::One( char::from_u32(single_char).unwrap() )
1984    }
1985    
1986    for c_index in 0..126217 {
1987        if let Some(c) = char::from_u32(c_index) {
1988            let reference: Vec<char> = lookup_naive(c).collect();
1989            let actual: Vec<char> = lookup(c).collect();
1990            if actual != reference {
1991                assert!(false, "case-folding {:?} (#0x{:04x}) failed: Expected {:?}, got {:?}", c, c_index, reference, actual);
1992            }
1993        }
1994    }
1995}