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@@ -0,0 +1,331 @@
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+package main
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+
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+// I used iconv in door++, but it was horrible. It doesn't translate
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+// control codes to Unicode.
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+
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+// This converts CP437 to Unicode for rendering in Unicode terminals
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+// like the linux telnet client.
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+// This does everything but: \x07, \x08, \x0a and \x0d.
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+// 0x07, 0x08, 0x09, 0x0a, 0x0c, 0x0d, 0x1b (ANSI spec)
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+func CP437_to_Unicode(cp437 string) string {
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+ var result string
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+
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+ for _, char := range []byte(cp437) {
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+ // for _, char := range []rune(cp437) {
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+ switch int(char) {
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+ case 0x01:
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+ result += "\u263A"
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+ case 0x02:
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+ result += "\u263B"
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+ case 0x03:
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+ result += "\u2665"
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+ case 0x04:
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+ result += "\u2666"
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+ case 0x05:
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+ result += "\u2663"
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+ case 0x06:
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+ result += "\u2660"
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+ case 0x09:
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+ result += "\u25CB"
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+ case 0x0b:
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+ result += "\u2642"
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+ case 0x0c:
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+ result += "\u2640"
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+ case 0x0e:
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+ result += "\u266B"
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+ case 0x0f:
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+ result += "\u263C"
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+ case 0x10:
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+ result += "\u25BA"
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+ case 0x11:
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+ result += "\u25C4"
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+ case 0x12:
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+ result += "\u2195"
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+ case 0x13:
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+ result += "\u203C"
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+ case 0x14:
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+ result += "\xc2\xb6"
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+ case 0x15:
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+ result += "\xc2\xa7"
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+ case 0x16:
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+ result += "\u25AC"
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+ case 0x17:
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+ result += "\u21A8"
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+ case 0x18:
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+ result += "\u2191"
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+ case 0x19:
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+ result += "\u2193"
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+ case 0x1a:
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+ result += "\u2192"
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+ case 0x1c:
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+ result += "\u221F"
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+ case 0x1d:
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+ result += "\u2194"
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+ case 0x1e:
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+ result += "\u25B2"
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+ case 0x1f:
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+ result += "\u25BC"
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+ case 0x7f:
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+ result += "\u2302"
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+ case 0x80:
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+ result += "\xc3\x87"
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+ case 0x81:
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+ result += "\xc3\xbc"
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+ case 0x82:
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+ result += "\xc3\xa9"
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+ case 0x83:
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+ result += "\xc3\xa2"
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+ case 0x84:
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+ result += "\xc3\xa4"
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+ case 0x85:
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+ result += "\xc3\xa0"
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+ case 0x86:
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+ result += "\xc3\xa5"
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+ case 0x87:
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+ result += "\xc3\xa7"
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+ case 0x88:
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+ result += "\xc3\xaa"
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+ case 0x89:
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+ result += "\xc3\xab"
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+ case 0x8a:
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+ result += "\xc3\xa8"
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+ case 0x8b:
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+ result += "\xc3\xaf"
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+ case 0x8c:
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+ result += "\xc3\xae"
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+ case 0x8d:
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+ result += "\xc3\xac"
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+ case 0x8e:
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+ result += "\xc3\x84"
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+ case 0x8f:
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+ result += "\xc3\x85"
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+ case 0x90:
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+ result += "\xc3\x89"
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+ case 0x91:
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+ result += "\xc3\xa6"
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+ case 0x92:
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+ result += "\xc3\x86"
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+ case 0x93:
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+ result += "\xc3\xb4"
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+ case 0x94:
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+ result += "\xc3\xb6"
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+ case 0x95:
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+ result += "\xc3\xb2"
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+ case 0x96:
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+ result += "\xc3\xbb"
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+ case 0x97:
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+ result += "\xc3\xb9"
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+ case 0x98:
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+ result += "\xc3\xbf"
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+ case 0x99:
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+ result += "\xc3\x96"
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+ case 0x9a:
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+ result += "\xc3\x9c"
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+ case 0x9b:
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+ result += "\xc2\xa2"
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+ case 0x9c:
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+ result += "\xc2\xa3"
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+ case 0x9d:
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+ result += "\xc2\xa5"
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+ case 0x9e:
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+ result += "\u20A7"
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+ case 0x9f:
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+ result += "\u0192"
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+ case 0xa0:
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+ result += "\xc3\xa1"
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+ case 0xa1:
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+ result += "\xc3\xad"
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+ case 0xa2:
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+ result += "\xc3\xb3"
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+ case 0xa3:
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+ result += "\xc3\xba"
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+ case 0xa4:
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+ result += "\xc3\xb1"
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+ case 0xa5:
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+ result += "\xc3\x91"
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+ case 0xa6:
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+ result += "\xc2\xaa"
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+ case 0xa7:
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+ result += "\xc2\xba"
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+ case 0xa8:
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+ result += "\xc2\xbf"
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+ case 0xa9:
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+ result += "\u2310"
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+ case 0xaa:
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+ result += "\xc2\xac"
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+ case 0xab:
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+ result += "\xc2\xbd"
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+ case 0xac:
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+ result += "\xc2\xbc"
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+ case 0xad:
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+ result += "\xc2\xa1"
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+ case 0xae:
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+ result += "\xc2\xab"
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+ case 0xaf:
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+ result += "\xc2\xbb"
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+ case 0xb0:
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+ result += "\u2591"
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+ case 0xb1:
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+ result += "\u2592"
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+ case 0xb2:
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+ result += "\u2593"
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+ case 0xb3:
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+ result += "\u2502"
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+ case 0xb4:
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+ result += "\u2524"
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+ case 0xb5:
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+ result += "\u2561"
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+ case 0xb6:
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+ result += "\u2562"
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+ case 0xb7:
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+ result += "\u2556"
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+ case 0xb8:
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+ result += "\u2555"
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+ case 0xb9:
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+ result += "\u2563"
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+ case 0xba:
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+ result += "\u2551"
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+ case 0xbb:
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+ result += "\u2557"
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+ case 0xbc:
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+ result += "\u255D"
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+ case 0xbd:
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+ result += "\u255C"
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+ case 0xbe:
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+ result += "\u255B"
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+ case 0xbf:
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+ result += "\u2510"
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+ case 0xc0:
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+ result += "\u2514"
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+ case 0xc1:
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+ result += "\u2534"
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+ case 0xc2:
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+ result += "\u252C"
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+ case 0xc3:
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+ result += "\u251C"
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+ case 0xc4:
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+ result += "\u2500"
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+ case 0xc5:
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+ result += "\u253C"
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+ case 0xc6:
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+ result += "\u255E"
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+ case 0xc7:
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+ result += "\u255F"
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+ case 0xc8:
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+ result += "\u255A"
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+ case 0xc9:
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+ result += "\u2554"
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+ case 0xca:
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+ result += "\u2569"
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+ case 0xcb:
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+ result += "\u2566"
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+ case 0xcc:
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+ result += "\u2560"
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+ case 0xcd:
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+ result += "\u2550"
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+ case 0xce:
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+ result += "\u256C"
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+ case 0xcf:
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+ result += "\u2567"
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+ case 0xd0:
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+ result += "\u2568"
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+ case 0xd1:
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+ result += "\u2564"
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+ case 0xd2:
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+ result += "\u2565"
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+ case 0xd3:
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+ result += "\u2559"
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+ case 0xd4:
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+ result += "\u2558"
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+ case 0xd5:
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+ result += "\u2552"
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+ case 0xd6:
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+ result += "\u2553"
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+ case 0xd7:
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+ result += "\u256B"
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+ case 0xd8:
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+ result += "\u256A"
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+ case 0xd9:
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+ result += "\u2518"
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+ case 0xda:
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+ result += "\u250C"
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+ case 0xdb:
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+ result += "\u2588"
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+ case 0xdc:
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+ result += "\u2584"
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+ case 0xdd:
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+ result += "\u258C"
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+ case 0xde:
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+ result += "\u2590"
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+ case 0xdf:
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+ result += "\u2580"
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+ case 0xe0:
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+ result += "\u03B1"
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+ case 0xe1:
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+ result += "\xc3\x9f"
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+ case 0xe2:
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+ result += "\u0393"
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+ case 0xe3:
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+ result += "\u03C0"
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+ case 0xe4:
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+ result += "\u03A3"
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+ case 0xe5:
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+ result += "\u03C3"
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+ case 0xe6:
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+ result += "\xc2\xb5"
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+ case 0xe7:
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+ result += "\u03C4"
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+ case 0xe8:
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+ result += "\u03A6"
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+ case 0xe9:
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+ result += "\u0398"
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+ case 0xea:
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+ result += "\u03A9"
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+ case 0xeb:
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+ result += "\u03B4"
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+ case 0xec:
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+ result += "\u221E"
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+ case 0xed:
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+ result += "\u03C6"
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+ case 0xee:
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+ result += "\u03B5"
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+ case 0xef:
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+ result += "\u2229"
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+ case 0xf0:
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+ result += "\u2261"
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+ case 0xf1:
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+ result += "\xc2\xb1"
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+ case 0xf2:
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+ result += "\u2265"
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+ case 0xf3:
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+ result += "\u2264"
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+ case 0xf4:
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+ result += "\u2320"
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+ case 0xf5:
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+ result += "\u2321"
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+ case 0xf6:
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+ result += "\xc3\xb7"
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+ case 0xf7:
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+ result += "\u2248"
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+ case 0xf8:
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+ result += "\xc2\xb0"
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+ case 0xf9:
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+ result += "\u2219"
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+ case 0xfa:
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+ result += "\xc2\xb7"
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+ case 0xfb:
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+ result += "\u221A"
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+ case 0xfc:
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+ result += "\u207F"
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+ case 0xfd:
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+ result += "\xc2\xb2"
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+ case 0xfe:
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+ result += "\u25A0"
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+ case 0xff:
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+ result += "\xc2\xa0"
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+ default:
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+ result += string(char)
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+ }
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+ }
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+ return result
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+}
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