Parses key bindings and pack them into parts
grammar = <sequence> = <press> <press> <press> ... = <key> or <mods>+<key> = <mod>+<mod>+...
<sequence>
<press> <press> <press> ...
<key>
<mods>+<key>
<mod>+<mod>+...
Parses key bindings and pack them into parts
grammar = = = =
<sequence>
<press> <press> <press> ...
<key>
or<mods>+<key>
<mod>+<mod>+...