>>-+-FIND.-+--+-+-+-BACKWARD-+-+--'text_string'-+--------------->
'-F-----' | | '-B--------' | |
| '-+-FORWARD-+--' |
| '-F-------' |
'-+-LINE-+--+------------+--------'
'-L----' '-| Target |-'
.-default_window-.
>--+----------------+------------------------------------------><
'-window_name----'
Target
.-SMOUT-------.
|--TARGET(-+-stream_name-+-)------------------------------------|