aracter itself to remote
---    {exit:7} Send the exit character itself to remote
---    {info:7} Show info
---    {upload:7} Upload file (prompt will be shown)
---    {repr:7} encoding
---    {filter:7} edit filters
--- Toggles:
---    {rts:7} RTS   {dtr:7} DTR   {brk:7} BREAK
---    {echo:7} echo  {eol:7} EOL
---
--- Port settings ({menu} followed by the following):
---    p          change port
---    7 8        set data bits
---    N E O S M  change parity (None, Even, Odd, Space, Mark)
---    1 2 3      set stop bits (1, 2, 1.5)
---    b          change baud rate
---    x X        disable/enable software flow control
---    r R        disable/enable hardware flow control
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