added wsl display and words

Joel Grunbaum

2021-03-04 dd98805fd65bdc7d7f4585cdf7f79cb898f19d2c

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