Xalan Extensions
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## Xalan Extensions

The DocBook XSL Stylesheets include a set of Java extensions for XalanJ version 2. Extensions are not provided for XalanC at this time.

### Installation

The extensions are included in the distribution in `extensions/xalan2.jar`. Xalan 1 is not supported.

Just make sure that the jar file is in your CLASSPATH when you run Xalan.

### Using the Extensions

For compatibility with other processors, the extensions are disabled by default. To enable the extensions, turn on `$xalan.extensions`, for example by passing `-PARAM xalan.extensions 1` to Xalan.

For more control over the specific extensions, see HTML Parameter Reference.

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