keyboard layout se for ubuntu 19+

xkb.symbols.se

// file /usr/share/X11/xkb/symbols/se
partial alphanumeric_keys
xkb_symbols "se" {
    name[Group1]="Swedish";

    // tool: xev
    // mapping key file: /usr/share/X11/xkb/keycodes/evdev
    // reload conf: setxkbmap -layout se
    // key <code>  {[ default,  +shift, +altGr, +shit +altgr ]};

    key <AE05>  { [         5,    percent,     EuroSign,         cent ] };
    key <AC10>  { [odiaeresis, Odiaeresis,       oslash,     Ooblique ] };
    key <AC11>  { [adiaeresis, Adiaeresis,           ae,           AE ] };
    key <SPCE>  { [     space,      space,        space, nobreakspace ] };
    key <LSGT>  { [      less,     greater,         bar,    brokenbar ] };
    include "level3(ralt_switch)"

    key <TLDE>  { [asciicircum, asciitilde, grave]};
    key <AE12> { [slash, bar, backslash] };
    key <BKSL>  { [apostrophe, quotedbl, grave, acute] };
    key <AD11> { [bracketleft, braceleft, aring, Aring] };
    key <AD12> { [bracketright, braceright] };
    key <AE11>  { [equal, plus, question] };
    key <AE02> { [2, at] };
    key <AE04> { [4, dollar] };
    include "kpdl(dot)"
};