3.1.5.2 Receiving VT-UTF8 and VT100+ Requests
When a series of bytes is received by the server, it MUST be decoded into the appropriate 16-bit Unicode character. The leading byte MAY be 0x00000000.<3>
The decoded 16-bit Unicode character is then presented in the server representation, as specified in [VT100] table A-11.
If an escape sequence is received, the server processes all the characters in the escape sequence as a single action that is described by the escape sequence, instead of processing each literal character in the sequence.