Server : Apache System : Linux server2.corals.io 4.18.0-348.2.1.el8_5.x86_64 #1 SMP Mon Nov 15 09:17:08 EST 2021 x86_64 User : corals ( 1002) PHP Version : 7.4.33 Disable Function : exec,passthru,shell_exec,system Directory :  /usr/share/X11/xkb/symbols/

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// 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      ]       };
};