autoload up-line-or-beginning-search down-line-or-beginning-search edit-command-line
zle -N up-line-or-beginning-search
zle -N down-line-or-beginning-search
zle -N edit-command-line
bindkey -v
bindkey -a "!" edit-command-line
[[ -n "$terminfo[kpp]"   ]] && bindkey "$terminfo[kpp]"   up-line-or-beginning-search   # PAGE UP
[[ -n "$terminfo[knp]"   ]] && bindkey "$terminfo[knp]"   down-line-or-beginning-search # PAGE DOWN
[[ -n "$terminfo[khome]" ]] && bindkey "$terminfo[khome]" beginning-of-line             # HOME
[[ -n "$terminfo[kend]"  ]] && bindkey "$terminfo[kend]"  end-of-line                   # END
[[ -n "$terminfo[kdch1]" ]] && bindkey "$terminfo[kdch1]" delete-char                   # DELETE
[[ -n "$terminfo[kbs]"   ]] && bindkey "$terminfo[kbs]"   backward-delete-char          # BACKSPACE