typeset -Ag abbreviations
abbreviations=(
  '...'  '../..'
  '....' '../../..'
  'BG'   '& exit'
  'WC'   '| wc'
  'GR'   '|& grep '
  'HD'   '| head'
  'HL'   ' --help |& less -r'
  'LS'   '| less'
  'LR'   '|& less -r'
  'NL'   '&>/dev/null'
  'SL'   '| sort | less'
  'SU'   '| sort -u'
  'TL'   '| tail'
  'VI'   '|& vim -'
)

magic-abbrev-expand() {
    local MATCH
    LBUFFER=${LBUFFER%%(#m)[_a-zA-Z0-9]#}
    LBUFFER+=${abbreviations[$MATCH]:-$MATCH}
    zle self-insert
}

no-magic-abbrev-expand() {
  LBUFFER+=' '
}

zle -N magic-abbrev-expand
zle -N no-magic-abbrev-expand
bindkey " " magic-abbrev-expand
bindkey "^x " no-magic-abbrev-expand
bindkey -M isearch " " self-insert

# vim:ft=zsh