Add Lua API tio.twrite's documentation and example

man/tio.1.in

@@ -469,9 +469,14 @@ Returns a string on success and nil on timeout.  On timeout a partially read
 line may be returned as a second return value.
 
 .IP "\fBtio.write(string)"
-Write string to serial device.
+Write string to serial device without Input-editing, Output-mapping nor Output-delay.
 
-Returns the tio table.
+Returns the tio table on success or nil on error.
+
+.IP "\fBtio.twrite(string)"
+Write string to serial device with Input-editing, Output-mapping and Output-delay.
+
+Returns tio table on success or nil on error.
 
 .IP "\fBtio.send(file, protocol)"
 Send file using x/y-modem protocol.

man/tio.1.txt

@@ -381,9 +381,14 @@ SCRIPT API
              On success, returns the string that was read as second return value.  Also emits a single timestamp to stdout and log file per options.timestamp and options.log.
 
        write(string)
-             Write string to serial device.
+             Write string to serial device without Input-editing, Output-mapping nor Output-delay.
 
-             Returns number of bytes written on success or -1 on error.
+             Returns the tio table on success or nil on error.
+
+       twrite(string)
+             Write string to serial device with Input-editing, Output-mapping and Output-delay.
+
+             Returns the tio table on success or nil on error.
 
        send(file, protocol)
              Send file using x/y-modem protocol.