Index - O
| Ogham | Data.Text.ICU.Char |
| OlChiki | Data.Text.ICU.Char |
| OldItalic | Data.Text.ICU.Char |
| OldPersian | Data.Text.ICU.Char |
| OldSouthArabian | Data.Text.ICU.Char |
| OldTurkic | Data.Text.ICU.Char |
| open | |
| 1 (Function) | Data.Text.ICU.Convert |
| 2 (Function) | Data.Text.ICU.Collate |
| OpenPunctuation | Data.Text.ICU.Char |
| OpticalCharacterRecognition | Data.Text.ICU.Char |
| Oriya | Data.Text.ICU.Char |
| Osmanya | Data.Text.ICU.Char |
| OtherLetter | Data.Text.ICU.Char |
| OtherNeutral | Data.Text.ICU.Char |
| OtherNumber | Data.Text.ICU.Char |
| OtherPunctuation | Data.Text.ICU.Char |
| OtherSymbol | Data.Text.ICU.Char |