Ensure that any XML input to Informatica Address Verification is well-formed and validated against the DTDs provided by Informatica. Note that the sequence of elements in Address Verification XML files is important and you need to validate the structure against the corresponding DTD. However, it is not important that you maintain the sequence for element attributes.
If you are working with XML files created on different platforms, note that the End-of-Line (EoL) character differs between Windows (CRLF) and Unix (LF). For more information, see the Wikipedia page on Linebreak at http://wikipedia.org/wiki/Linebreak.
You can find more information about XML from multiple sources on the Web. http://wikipedia.org/wiki/XML contains an introduction to XML. XML functionality is available in most of the Integrated Development Environments (IDEs). You can also find a wide variety of free XML editors with XML validation.