| Character set | Code | Symbol | Name |
|---|---|---|---|
| Code page 437 | 191 | ┐ | Box drawings light down and left |
| ISO-8859-1 | 191 | ¿ | Inverted question mark |
| ISO-8859-2 | 191 | ż | Latin small letter z with dot above |
| ISO-8859-3 | 191 | ż | Latin small letter z with dot above |
| ISO-8859-4 | 191 | ŋ | Latin small letter eng |
| ISO-8859-5 | 191 | П | Cyrillic capital letter Pe |
| ISO-8859-6 | 191 | ؟ | Arabic question mark |
| ISO-8859-7 | 191 | Ώ | Greek capital letter Omega with tonos |
| ISO-8859-8 | 191 | Unused | |
| ISO-8859-9 | 191 | ¿ | Inverted question mark |
| ISO-8859-10 | 191 | ŋ | Latin small letter eng |
| ISO-8859-11 | 191 | ฟ | Thai character Fo Fan |
| Windows-1250 | 191 | ż | Latin small letter z with dot above |
| Windows-1251 | 191 | ї | Cyrillic small letter yi |
| Windows-1252 | 191 | ¿ | Inverted question mark |
| Windows-1253 | 191 | Ώ | Greek capital letter Omega with tonos |
| Windows-1254 | 191 | ¿ | Inverted question mark |
| Windows-1255 | 191 | ¿ | Inverted question mark |
| Windows-1256 | 191 | ؟ | Arabic question mark |
| Windows-1257 | 191 | æ | Latin small letter ae |
| Windows-1258 | 191 | ¿ | Inverted question mark |