Open XML Paper Specification was created in 2006-10.
XPS (XML Paper Specification) is a standardised open format similar to PDF (Portable Document Format).
XML Paper Specification (Microsoft Windows Vista).
Xps(xml paper specification)
Office Open XML was created on 2006-12-07.
Office Open XML Converter was created on 2008-07-03.
Pakistan Muslim League.PML is a paper, printing and publishing markup specification developed by Paperhub which is based on XML.
A format, utilizing XML, primarily for distribution and storage. Very difficult to edit and mostly implemented by Microsoft.
Prince XML was created in 2003-04.
XML Notepad was created on 2006-09-01.
Liquid XML Studio was created in 2003.
XML encoding allows you to place arbitrary text within an XML node; this is required when the content itself uses characters that XML has reserved for its language specification, such as the less-than and greater-than symbols. A XML-encoded file is one whose format is XML, and generally contains data that would be used by a program.
Because you can write software to read the documents on other platforms. The current existence or absence of software for reading and creating the documents does not affect whether or not the specification is platform-independent. The internet is platform-independent, for instance, regardless of the fact that I can't access it on my Commodore 64. OpenDocument Format (a competing document format) is also cross-platform with an open specification, but there is not (and probably never will be) software for reading it on MS-DOS.