autoload -Uz is-at-least

# *-magic is known buggy in some versions; disable if so
if [[ $DISABLE_MAGIC_FUNCTIONS != true ]]; then
  for d in $fpath; do
    if [[ -e "$d/url-quote-magic" ]]; then
      if is-at-least 5.1; then
        autoload -Uz bracketed-paste-magic
        zle -N bracketed-paste bracketed-paste-magic
      fi
      autoload -Uz url-quote-magic
      zle -N self-insert url-quote-magic
    break
    fi
  done
fi

setopt multios              # enable redirect to multiple streams: echo >file1 >file2
setopt long_list_jobs       # show long list format job notifications
setopt interactivecomments  # recognize comments

# define pager depending on what is available (less or more)
if (( ${+commands[less]} )); then
  env_default 'PAGER' 'less'
  env_default 'LESS' '-R'
elif (( ${+commands[more]} )); then
  env_default 'PAGER' 'more'
fi

## super user alias
alias _='sudo '

## more intelligent acking for ubuntu users and no alias for users without ack
if (( $+commands[ack-grep] )); then
  alias afind='ack-grep -il'
elif (( $+commands[ack] )); then
  alias afind='ack -il'
fi