Update submodules

Joel Grunbaum

4 days ago ab91eb64b7bef3d1403f5f084cc9d5a614f1c5c7

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extra-keys = [ \
 ['ESC','|','/','HOME','UP','END','-','DEL'], \
 ['TAB','CTRL','ALT','LEFT','DOWN','RIGHT','_','BKSP'] \
]