- get_term_char(): replace the current character by a space when foreground   color and background color are the same - shifted function keys added
- get_term_char(): replace the current character by a space when foreground
  color and background color are the same
- shifted function keys added

dariaphoebe/bochs,dariaphoebe/bochs,dariaphoebe/bochs,dbrashear/bochs,dbrashear/bochs,dbrashear/bochs,dariaphoebe/bochs,dbrashear/bochs,dariaphoebe/bochs,dbrashear/bochs