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# DefaultLanguageType

The default language type (language and encoding) to use for documents of unspecified language.

IDOL Category Component uses this language type for documents when:

- it cannot read the language type of a document from a specified field.
- the `LanguageType` parameter is not specified in the action.
- automatic language detection is disabled.

`DefaultLanguageType` also specifies the default for the `LanguageType` parameter in actions such as `Query` and `Summarize`.

If you do not set `DefaultLanguageType` and you do not specify the language type in actions, IDOL Category Component uses the first language type defined in the `[MyLanguage]` section.

If you do not set the DefaultEncoding configuration parameter and you do not set the `OutputEncoding` action parameter, IDOL Category Component uses the encoding specified in the `LanguageType` action parameter, or in the `DefaultLanguageType` configuration parameter if you do not use the `LanguageType` action parameter.

Note: If the encoding of a document is found, but the language is not, IDOL Category Component can apply a `[General]` language, if it is defined, and if automatic language detection is activated.

Type: | String
Default: |
Required: | No
Configuration Section: | LanguageTypes
Example: | `DefaultLanguageType=englishASCII`
See Also: | DefaultEncoding

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