The FDK documentation for FM10 has been updated and is available on the FM devent page: http://www.adobe.com/devnet/framemaker.html
Please see the blog posting by the Asit Pan of the documentation team for more details:
http://blogs.adobe.com/techcomm/2012/05/updated-version-of-fdk-10-docu mentation-available.html
North America
Europe, Middle East and Africa
Asia Pacific