Linux SRV-16 6.18.44-paas #1 SMP PREEMPT_DYNAMIC Thu Aug 13 10:08:12 UTC 2026 x86_64

//usr/share/X11/xkb/symbols/parens

 // swap parentheses and square brackets
partial default
xkb_symbols "swap_brackets" {
    replace key <AE09> {        [         9,    bracketleft     ]       };
    replace key <AE10> {        [         0,    bracketright    ]       };
    replace key <AD11> {        [ parenleft,    braceleft       ]       };
    replace key <AD12> {        [ parenright,   braceright      ]       };
};