estonglish xkb

gistfile1.txt

Estonglish keyboard

/usr/share/X11/xkb/symbols/ee
   
partial alphanumeric_keys
xkb_symbols "estonglish" {

    include "us(basic)"
    name[Group1]= "Estonglish (English US, Estonian, Euro)";

    key <AC01> { [	   a,          A,        adiaeresis,       Adiaeresis] };
    key <AC02> { [     s,          S,        scaron,           Scaron ]	};
    key <AB01> { [     z,          Z,        zcaron,           Zcaron ]	};
    key <AD07> { [	   u,          U,        udiaeresis,       Udiaeresis ] };
    key <AD09> { [	   o,          O,        otilde,           Otilde ] };
    key <AD10> { [	   p,          P,        odiaeresis,       Odiaeresis ] };

    include "level3(ralt_switch)"
    include "eurosign(e)"
};

/usr/share/X11/xkb/rules/base.lst
/usr/share/X11/xkb/rules/evdev.lst
  estonglish      ee: Estonglish (English US, Estonian, Euro)

/usr/share/X11/xkb/rules/base.xml
/usr/share/X11/xkb/rules/evdev.xml
        <variant>
          <configItem>
            <name>estonglish</name>
            <description>Estonglish (English US, Estonian, Euro)</description>
          </configItem>
        </variant>

Needs restart of X system to apply changes.

See also https://github.com/nileve/mac_us-ee_keylayout for similar setup on macOS.