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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE chapter PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
+  "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd"[
+<!ENTITY % all.entities SYSTEM "all-entities.ent">
+%all.entities;
+]>
+<chapter id="VirtualBoxAPI">
+
+  <title>&product-name; Programming Interfaces</title>
+
+  <para>
+    &product-name; comes with comprehensive support for third-party
+    developers. The so-called <emphasis>Main API</emphasis> of
+    &product-name; exposes the entire feature set of the virtualization
+    engine. It is completely documented and available to anyone who
+    wishes to control &product-name; programmatically.
+  </para>
+
+  <para>
+    The Main API is made available to C++ clients through COM on Windows
+    hosts or XPCOM on other hosts. Bridges also exist for SOAP, Java and
+    Python.
+  </para>
+
+  <para>
+    All programming information such as documentation, reference
+    information, header and other interface files, as well as samples
+    have been split out to a separate <emphasis role="bold">Software
+    Development Kit (SDK)</emphasis>. The SDK is available for download
+    from
+    <ulink url="http://www.virtualbox.org" />.
+    In particular, the SDK comes with a Programming Guide and Reference
+    manual in PDF format. This manual contains, among other things, the
+    information that was previously in this chapter of the User Manual.
+  </para>
+
+</chapter>