elpa-key-chord - 0.6-6 main

This package permits an Emacs user to map commands to simultaneously
pressed keys. This can be done buffer-local or globally.
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In this package, a "key chord" is two keys pressed simultaneously, or
a single key quickly pressed twice.
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(Sometimes pressing SHIFT and/or META plus another key is call a
chord, but not here. However SHIFT plus two normal keys can be a "key
chord".)