In der folgenden Tabelle einer modifizierten Codepage 850 (reservierte Zeichen von allegro-C sind nicht aufgeführt, Steuerzeichen teilweise entsprechend ihrem Aussehen codiert) sind diejenigen Zeichenpositionen farbig markiert, die in der Zeichentabelle allegro-Ostwest nicht identisch codiert sind. Rot sind dabei Buchstaben, gelb Sonderzeichen, die vermutlich nicht verwandt werden.
Diese Zeichen werden -- falls sie benutzt worden sind -- bei Ausdruck und Indexierung schon immer falsch verarbeitet worden sein, so daß sie eigentlich nicht massenhaft zu erwarten sind.
Kritisch sind wohl vor allem das Paragraphenzeichen sowie diejenigen Akzentbuchstaben, die sich bei eingestellter Codepage 850 kombiniert über die Tastatur eingeben lassen, also bis auf É alle akzentuierten Großbuchstaben.
Die folgende Tabelle schlägt Umsetzungen für die oben markierten Zeichen vor. Die Spalte "Ostwest strikt" ist durch schematische Anwendung der Unicode-Mappings gewonnen, die Spalte "Ostwest Maxi" versucht, möglichst viele Zeichen umzusetzen.
| CP 850 | Unicode | Unicode Name | Ostwest Strikt | Ostwest Maxi | Unicode | |
|---|---|---|---|---|---|---|
| 0x12 (18) |
(U0012) [ ↕ ] | <control> | illegal | --- | ||
| 0x13 (19) |
(U0013) [ ‼ ] | <control> | illegal | --- | ||
| 0x16 (22) |
(U0016) [ ▁ ] | <control> | illegal | --- | ||
| 0x17 (23) |
(U0017) [ ↨ ] | <control> | illegal | --- | ||
| 0x7f (127) |
(U007F) | <control> | illegal | --- | ||
| 0x9b (155) |
ø (U00F8) | LATIN SMALL LETTER O WITH STROKE | 0xed (237) | |||
| 0x9d (157) |
Ø (U00D8) | LATIN CAPITAL LETTER O WITH STROKE | 0xd7 (215) | |||
| 0x9e (158) |
× (U00D7) | MULTIPLICATION SIGN | illegal | --- | ||
| 0x9f (159) |
ƒ (U0192) | LATIN SMALL LETTER F WITH HOOK | illegal | --- | ||
| 0xa6 (166) |
ª (U00AA) | FEMININE ORDINAL INDICATOR | illegal | 0x61 (97) | ||
| 0xa7 (167) |
º (U00BA) | MASCULINE ORDINAL INDICATOR | illegal | 0x6f (111) | ||
| 0xa8 (168) |
¿ (U00BF) | INVERTED QUESTION MARK | illegal | 0x3f (63) | ? (U003F) | |
| 0xa9 (169) |
® (U00AE) | REGISTERED SIGN | illegal | --- | ||
| 0xab (171) |
½ (U00BD) | VULGAR FRACTION ONE HALF | illegal | 0x31 0x2f 0x32 (49 47 50) | 1 (U0031) / (U002F) 2 (U0032) | |
| 0xac (172) |
¼ (U00BC) | VULGAR FRACTION ONE QUARTER | illegal | 0x31 0x2f 0x34 (49 47 52) | 1 (U0031) / (U002F) 4 (U0034) | |
| 0xad (173) |
¡ (U00A1) | INVERTED EXCLAMATION MARK | illegal | 0x21 (33) | ! (U0021) | |
| 0xae (174) |
« (U00AB) | LEFT-POINTING DOUBLE ANGLE QUOTATION MARK | illegal | 0x22 (34) | " (U0022) | |
| 0xaf (175) |
» (U00BB) | RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK | illegal | 0x22 (34) | " (U0022) | |
| 0xb0 (176) |
░ (U2591) | LIGHT SHADE | illegal | --- | ||
| 0xb1 (177) |
▒ (U2592) | MEDIUM SHADE | illegal | --- | ||
| 0xb2 (178) |
▓ (U2593) | DARK SHADE | illegal | --- | ||
| 0xb5 (181) |
Á (U00C1) | LATIN CAPITAL LETTER A WITH ACUTE | 0xb5 0x41 (181 65) | |||
| 0xb6 (182) |
 (U00C2) | LATIN CAPITAL LETTER A WITH CIRCUMFLEX | 0xb7 0x41 (183 65) | |||
| 0xb7 (183) |
À (U00C0) | LATIN CAPITAL LETTER A WITH GRAVE | 0xb6 0x41 (182 65) | |||
| 0xb8 (184) |
© (U00A9) | COPYRIGHT SIGN | 0xd6 (214) | |||
| 0xbd (189) |
¢ (U00A2) | CENT SIGN | illegal | --- | ||
| 0xbe (190) |
¥ (U00A5) | YEN SIGN | illegal | --- | ||
| 0xc6 (198) |
ã (U00E3) | LATIN SMALL LETTER A WITH TILDE | 0xe8 0x61 (232 97) | |||
| 0xc7 (199) |
à (U00C3) | LATIN CAPITAL LETTER A WITH TILDE | 0xe8 0x41 (232 65) | |||
| 0xcf (207) |
¤ (U00A4) | CURRENCY SIGN | 0xd8 (216) | |||
| 0xd0 (208) |
ð (U00F0) | LATIN SMALL LETTER ETH | illegal | 0xde 0x64 (222 100) | d (U0064) ̶ (U0336) | |
| 0xd1 (209) |
Ð (U00D0) | LATIN CAPITAL LETTER ETH | illegal | 0xde 0x44 (222 68) | D (U0044) ̶ (U0336) | |
| 0xd2 (210) |
Ê (U00CA) | LATIN CAPITAL LETTER E WITH CIRCUMFLEX | 0xb7 0x45 (183 69) | |||
| 0xd3 (211) |
Ë (U00CB) | LATIN CAPITAL LETTER E WITH DIAERESIS | 0xbd 0x45 (189 69) | |||
| 0xd4 (212) |
È (U00C8) | LATIN CAPITAL LETTER E WITH GRAVE | 0xb6 0x45 (182 69) | |||
| 0xd5 (213) |
ı (U0131) | LATIN SMALL LETTER DOTLESS I | 0xb0 (176) | |||
| 0xd6 (214) |
Í (U00CD) | LATIN CAPITAL LETTER I WITH ACUTE | 0xb5 0x49 (181 73) | |||
| 0xd7 (215) |
Î (U00CE) | LATIN CAPITAL LETTER I WITH CIRCUMFLEX | 0xb7 0x49 (183 73) | |||
| 0xd8 (216) |
Ï (U00CF) | LATIN CAPITAL LETTER I WITH DIAERESIS | 0xbd 0x49 (189 73) | |||
| 0xdb (219) |
█ (U2588) | FULL BLOCK | illegal | --- | ||
| 0xdc (220) |
▄ (U2584) | LOWER HALF BLOCK | illegal | --- | ||
| 0xdd (221) |
¦ (U00A6) | BROKEN BAR | illegal | --- | ||
| 0xde (222) |
Ì (U00CC) | LATIN CAPITAL LETTER I WITH GRAVE | 0xb6 0x49 (182 73) | |||
| 0xdf (223) |
▀ (U2580) | UPPER HALF BLOCK | illegal | --- | ||
| 0xe0 (224) |
Ó (U00D3) | LATIN CAPITAL LETTER O WITH ACUTE | 0xf6 (246) | |||
| 0xe2 (226) |
Ô (U00D4) | LATIN CAPITAL LETTER O WITH CIRCUMFLEX | 0xb7 0x4f (183 79) | |||
| 0xe3 (227) |
Ò (U00D2) | LATIN CAPITAL LETTER O WITH GRAVE | 0xb6 0x4f (182 79) | |||
| 0xe4 (228) |
õ (U00F5) | LATIN SMALL LETTER O WITH TILDE | 0xe8 0x6f (232 111) | |||
| 0xe5 (229) |
Õ (U00D5) | LATIN CAPITAL LETTER O WITH TILDE | 0xe8 0x4f (232 79) | |||
| 0xe7 (231) |
þ (U00FE) | LATIN SMALL LETTER THORN | 0xb2 (178) | |||
| 0xe8 (232) |
Þ (U00DE) | LATIN CAPITAL LETTER THORN | 0xb1 (177) | |||
| 0xe9 (233) |
Ú (U00DA) | LATIN CAPITAL LETTER U WITH ACUTE | 0xb5 0x55 (181 85) | |||
| 0xea (234) |
Û (U00DB) | LATIN CAPITAL LETTER U WITH CIRCUMFLEX | 0xb7 0x55 (183 85) | |||
| 0xeb (235) |
Ù (U00D9) | LATIN CAPITAL LETTER U WITH GRAVE | 0xb6 0x55 (182 85) | |||
| 0xec (236) |
ý (U00FD) | LATIN SMALL LETTER Y WITH ACUTE | 0xad (173) | |||
| 0xed (237) |
Ý (U00DD) | LATIN CAPITAL LETTER Y WITH ACUTE | 0xb5 0x59 (181 89) | |||
| 0xee (238) |
¯ (U00AF) | MACRON | illegal | 0xd0 (208) | ̄ (U0304) | |
| 0xef (239) |
´ (U00B4) | ACUTE ACCENT | illegal | 0xb5 (181) | ́ (U0301) | |
| 0xf0 (240) |
(U00AD) | SOFT HYPHEN | illegal | 0x2d (45) | - (U002D) | |
| 0xf1 (241) |
± (U00B1) | PLUS-MINUS SIGN | illegal | 0x2b 0x2f 0x2d (43 47 45) | + (U002B) / (U002F) - (U002D) | |
| 0xf2 (242) |
‗ (U2017) | DOUBLE LOW LINE | illegal | 0xdf 0xdf (223 223) | ̲ (U0332) ̲ (U0332) | |
| 0xf3 (243) |
¾ (U00BE) | VULGAR FRACTION THREE QUARTERS | illegal | 0x33 0x2f 0x34 (51 47 52) | 3 (U0033) / (U002F) 4 (U0034) | |
| 0xf4 (244) |
¶ (U00B6) | PILCROW SIGN | 0x14 (20) | |||
| 0xf5 (245) |
§ (U00A7) | SECTION SIGN | 0x15 (21) | |||
| 0xf6 (246) |
÷ (U00F7) | DIVISION SIGN | illegal | 0x2f (47) | / (U002F) | |
| 0xf7 (247) |
¸ (U00B8) | CEDILLA | illegal | 0xd3 (211) | ̧ (U0327) | |
| 0xf9 (249) |
¨ (U00A8) | DIAERESIS | illegal | 0xbd (189) | ̈ (U0308) | |
| 0xfb (251) |
¹ (U00B9) | SUPERSCRIPT ONE | illegal | 0x31 (49) | ||
| 0xfc (252) |
³ (U00B3) | SUPERSCRIPT THREE | illegal | 0x33 (51) | ||
| 0xfd (253) |
² (U00B2) | SUPERSCRIPT TWO | illegal | 0x32 (50) | ||
| 0xfe (254) |
■ (U25A0) | BLACK SQUARE | illegal | --- | ||