The xml.sax.Parser service already existed, it just did not have a new-style service to create it. Change-Id: I6f145a7504ff9e149c802f723991954a2801cbc9
XML dialogs. This code is used to (de)serialize basic dialogs to XML for storage inside documents. While the XML -appears- to have some hierarchical structure, that is only a fabrication, parsing and underlying toolkit widget structure is sadly linear and flat.