@nightgrey/ansi
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    Variable SCI_CONTROLConst

    SCI_CONTROL: C1 = ...

    C1: Single Character Introducer (SCI)

    To be followed by a single printable character (0x20 through 0x7E) or format effector (0x08 through 0x0D), and to print it as ASCII no matter what graphic or control sets were in use.