1%  Initializes upper/lowercase lookup tables for DOS code page 850.
2%  850 is the default code page for Belgium, Brazil, Denmark,
3%  Finland, France, Germany, Italy, Latin America, Netherlands,
4%  Norway, Portugal, Spain, Sweden, and Switzerland.
5%  It is the alternate code page for Canadian-French,
6%  Czechoslovakia, Hungary, International English, Poland, United
7%  Kingdom, USA, and (ex-)Yugoslavia
8%  Information from MSDOS 5.0 manual
9%  Thanks marko@cs.umd.edu
10.   0  64 1 { dup define_case } _for
11.  65  90 1 { dup 32 + define_case } _for
12.  91  96 1 { dup define_case } _for
13. 123 255 1 { dup define_case } _for
14%
15. 128 135 define_case
16. 154 129 define_case
17. 144 130 define_case
18. 142 132 define_case
19. 183 133 define_case
20. 143 134 define_case
21. 211 137 define_case
22. 212 138 define_case
23. 216 139 define_case
24. 215 140 define_case
25. 222 141 define_case
26. 146 145 define_case
27. 153 148 define_case
28. 227 149 define_case
29. 234 150 define_case
30. 235 151 define_case
31. 157 155 define_case
32. 181 160 define_case
33. 214 161 define_case
34. 224 162 define_case
35. 233 163 define_case
36. 165 164 define_case
37. 199 198 define_case
38. 209 208 define_case
39. 229 228 define_case
40. 232 231 define_case
41. 237 236 define_case
42
43. "0-9a-zA-Z\d128-\d155\d157\d160-\d165\d181-\d183\d198\d199\d208\d212\d214-\d216\d222\d224-\d237"
44. define_word
45