This document describes the schema for the chainer package XML. This XML is generated at build time and added to a package containing an installer. There are several types of installers (RTM, Service Pack, Hotfix) that all use this XML. ISSUES LIST: * Currently the MSI, Configuration, and Upgrade extension data is at the root package level. In order to generalize the package XML they should probably be moved to an extension subnode. @Owner: scottkon Extensibility point in the Package XML Schema. Elements from other namespaces can be inserted into the document. Extensibility point in the Package XML Schema. Elements from other namespaces can be inserted into the document.