Current File : //usr/share/zsh/5.5.1/functions/_emulate
#compdef emulate

_arguments -C -s \
  '-L[set local_options and local_traps as well]' \
  '-R[reset all options instead of only those needed for script portability]' \
  '1:shell to emulate:(zsh sh ksh csh)' \
  '2:specify optional command:(-c)' \
  '3:command:_cmdstring'