13. The system of claim 9 , further comprising: one or more handwriting recognition engines for generating hypotheses based on the ink information entered at the pen-based tablet; and a handwriting recognition manager coupled to both the ink manager and the one or more handwriting recognition engines, the handwriting recognition manager configured and arranged to coordinate operation of the one or more handwriting recognition engines, where: the ink strokes received at the ink manager are passed to the handwriting recognition manager, and the ink manager notifies the handwriting recognition manager of the occurrence of each ink phrase termination event and, in response, the handwriting recognition manager directs a selected handwriting recognition engine to generate one or more hypotheses for the ink strokes corresponding to the respective ink phrase.
17. The system of claim 13 , where in response to receiving an indication that the client application has consumed the un-recognized ink strokes, the ink manager directs the handwriting recognition manager not to generate one or more hypotheses for the ink strokes.