It just occurred to me that Compiz and Cellwriter don’t play nicely together by default. If you’re having problems, open up ccsm (compiz-config-settings-manager) or install it if you don’t have it (it’s sudo apt-get install ccsm or yum install ccsm as I recall), then search for “glib” in the filter, and make sure that your window now looks like this:

Screenshot-CompizConfig Settings ManagerRestart Compiz, and your handwriting recognition should now be working just fine :)

EDIT: This only worked for me once. I’m now just reverting back to Metacity when I’m in tablet mode. Has anyone figured this out? (of my tens of readers :P )