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DOM Language Bindings

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For each language (like RPG!), an API must be defined.

For example, the Java package org.w3c.dom .

A Java-specific, but still abstract, API.

Uses Java's interface mechanism.

Each interface is implemented by a provider.

Apache provides org.apache.xerces.parsers .

IBM's code under Apache's open source license.

The Xerces project is named after an extinct butterfly, named after a Persian king, ...