Allow the external speech driver to buffer more than just one bit of tracking data. (dm)
Allow the external speech driver to buffer more than just one bit of tracking data. (dm)


git-svn-id: 30a5f035a20f1bc647618dbad7eea2a951b61b7c@8295 91a5dbb7-01b9-0310-9b5f-b28072856b6e

brltty/brltty,brltty/brltty,brltty/brltty,brltty/brltty,brltty/brltty,brltty/brltty