/usr/share/X11/xkb/symbols
Edit: /usr/share/X11/xkb/symbols/mao (594B)
default partial alphanumeric_keys
xkb_symbols "basic" {
// Adds the macrons needed for the Maori language to
// a simple US keyboard layout.
include "latin"
name[Group1]="Maori";
key
{ [ a, A, amacron, Amacron ] };
key { [ e, E, emacron, Emacron ] };
key { [ i, I, imacron, Imacron ] };
key { [ o, O, omacron, Omacron ] };
key { [ u, U, umacron, Umacron ] };
key { type[Group1]="TWO_LEVEL",
[ ISO_Level3_Shift, Multi_key ] };
modifier_map Mod5 { };
};