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# NSTextEncodingNameDocumentOption

The text encoding to use.

```
extern NSAttributedStringDocumentReadingOptionKey NSTextEncodingNameDocumentOption;
```

## Discussion

<doc://com.apple.documentation/documentation/Foundation/NSString> containing the name, IANA or otherwise, of a text encoding to override any encoding specified in an HTML document. Mutually exclusive with [`NSCharacterEncodingDocumentOption`](/documentation/AppKit/NSCharacterEncodingDocumentOption). The previous string constant was `@"TextEncodingName"`.

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