1improve zsh, automatically ... (pulled from configure) 2 3 if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then 4 emulate sh 5 NULLCMD=: 6 # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which 7 # is contrary to our usage. Disable this feature. 8 alias -g '${1+"$@"}'='"$@"' 9 setopt NO_GLOB_SUBST 10 else 11