autoload history-search-end
zle -N history-beginning-search-backward-end history-search-end
zle -N history-beginning-search-forward-end history-search-end
bindkey "^[[A" history-beginning-search-backward-end
bindkey "^[[B" history-beginning-search-forward-end

bindkey "^?" backward-delete-char
bindkey "^H" backward-delete-char

bindkey "^[[3~" delete-char