Ubuntu custom keyboard layout

dk

# Custom layout
# Add to /usr/share/X11/xkb/symbols/dk

partial alphanumeric_keys
xkb_symbols "custom" {
    include "dk(basic)"

    name[Group1]="Danish (custom)";

    key <TLDE>	{ [     dollar, asciitilde, threequartes,   paragraph ]	};
    key <CAPS> { [ Escape ] };
};

# And add

         <variant>
          <configItem>
            <name>custom</name>
            <description>Danish (custom)</description>
          </configItem>
        </variant>

# to /usr/share/X11/xkb/rules/evdev.xml