Allow the command thread to be restarted for a nested command environment. (dm)


git-svn-id: svn://mielke.cc/main/brltty@7961 91a5dbb7-01b9-0310-9b5f-b28072856b6e
Don't allow a command to interrupt a wait for braille device input. (dm)


git-svn-id: svn://mielke.cc/main/brltty@7962 91a5dbb7-01b9-0310-9b5f-b28072856b6e