+The algorithm only works well if the data stream is normal. If the data stream
+is generated by the reception, at the wrong baud\-rate, of characters emitted
+by
+.I sympathy
+then the algorithm will be biased towards suggesting that the baud\-rate
+is too low. Noise on the line will also result in sympathy concluding that
+the baud\-rate is too low.
+.SH SIGNALS
+.I Sympathy
+reacts to a set of signals. You can use the \fB-P\fP option
+to easily determine the PID of the
+.I sympathy
+process to which you would like to send a signal.
+.TP 8
+.B SIGINT
+.I Sympathy
+will immediately try to restore the outer terminal emulator to its original
+state and then exit.
+.TP 8
+.B SIGHUP
+.I Sympathy
+will close and reopen the log-file specified with the -L option, which allows
+the use of programs like logrotate(8)
+.TP 8
+.B SIGWINCH
+.I Sympathy
+will redraw the display in the outer terminal emulator so that it will fit within
+the new display size.
+.TP 8
+.B SIGCHLD
+.I Sympathy
+will wait for children if some were born (for example from compressing rotated logs)