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typeset -A Keytable
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trap 'eval "${Keytable[${.sh.edchar}]}"' KEYBD
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function vi_keybind
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{
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keybind $'\E[A' k # Up key
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keybind $'\E[B' j # Down key
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keybind $'\E[C' l # Right key
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keybind $'\E[D' h # Left key
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keybind $'\t' '\' # Tab for command-line completion
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}
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