HUtilde=doubleacute
HUcircumflex=doubleacute
xmodmap - <<EMAP
! ....
keycode  19 = 0 parenright odiaeresis Odiaeresis
keycode  20 = minus underscore udiaeresis Udiaeresis
keycode  21 = equal plus oacute Oacute
! ....
keycode  34 = bracketleft braceleft o$HUtilde O$HUtilde
keycode  35 = bracketright braceright uacute Uacute
! ....
keycode  47 = semicolon colon eacute Eacute
keycode  48 = apostrophe quotedbl aacute Aacute
keycode  49 = grave asciitilde iacute Iacute
keycode  50 = Shift_L
keycode  51 = backslash bar u$HUcircumflex U$HUcircumflex
! ....
keycode  64 = Alt_L Meta_L
keycode  66 = Mode_switch
! ^ the above is the key line: we bind the caps lock key
! ....
keycode 113 = Alt_L Meta_R
! ...
! I have no idea what these mean:
add shift = Shift_L Shift_R
add control = Control_L Control_R Caps_Lock
add mod1 = Alt_L Meta_L
add mod2 = Mode_switch
add mod2 = Num_Lock
! ...
EMAP