TODO

disable insert key / disable overwrite mode

windows : https://www.minitool.com/news/disable-insert-key-turn-off-overtype.html
linux :

purpose is to disable insert/overwrite mode switching
ctrl+ins & shift+ins will still work ,
only the unmodified ins key press will be affected
==> update : does not work , and possibly iterferres with ctrl + ins as well

insert key :
keycode 118
keyaction Insert

xmodmap -e "keycode 118 ="
undo
xmodmap -e "keycode 118 =Insert"

( also possible
xmodmap -e 'keycode 163=NoSymbol' xmodmap -e 'keycode 163=0x0000' )