Query Key Modifier Options (XTQMODKEYS) requests xterm key modifier options.
Default is 0.
CSI ? Pp m Copy
CSI ? Pp m
The parameter value
The query key modifier options escape sequence
https://invisible-island.net/xterm/ctlseqs/ctlseqs.html#h3-Functions-using-CSI-_-ordered-by-the-final-character_s_
Query Key Modifier Options (XTQMODKEYS) requests xterm key modifier options.
Default is 0.