Windows Mobile has not had the ability to handle OOXML-based documents until now.
This might make 2 applications which are built from the same codebase and properly support a derivate of OOXML. Both applications come from the same company, to whom OOXML is "a simple matter of (its) commercial interests", according to its own manager.
"As David explains, the Codes of Conduct should work the other way around to regulate the poor behavior of corporations who have been far too close to the Debian Suicide Cluster."