LEADER
case LEADER('?', 0x4a): // DECSED - Selective Erase in Display
case LEADER('?', 0x4b): // DECSEL - Selective Erase in Line
case LEADER('>', 0x63): // DEC secondary Device Attributes
case LEADER('?', 0x68): // DEC private mode set
case LEADER('?', 0x6c): // DEC private mode reset
case LEADER('?', 0x6e): // DECDSR
case LEADER('!', 0x70): // DECSTR - DEC soft terminal reset
case LEADER('?', INTERMED('$', 0x70)):