hidden partial modifier_keys
xkb_symbols "lctrl_escape" {
    key <LCTL> { [ Escape ] };
};

hidden partial modifier_keys
xkb_symbols "caps_lctrl" {
    replace key <CAPS> { [ Control_L, Control_L ] };
    modifier_map  Control { <CAPS>, <LCTL> };
};

partial alphanumeric_keys
xkb_symbols "basic" {

    include "us(basic)"
    name[Group1]= "English (Qwerty)";

    include "custom(lctrl_escape)"
    include "custom(caps_lctrl)"
};

default partial alphanumeric_keys
xkb_symbols "dvp" {

    include "us(dvp)"
    name[Group1]= "English (Programmer Dvorak)";

    include "custom(lctrl_escape)"
    include "custom(caps_lctrl)"
};