Terminal Guide
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Sequences
Modes
Attributes
Contributing
(used by other terminals)
ESC
1B
]
5D
1337
31 33 33 37
;SetMark
3b 53 65 74 4d 61 72 6b
ESC
1B
\
5C
other
other ( )
iterm2: Set Mark
https://iterm2.com/documentation-escape-codes.html