setopt auto_cd
setopt nobeep
+setopt prompt_cr # Newline before prompt when needed
+
+autoload -U colors
+colors
+setopt prompt_subst
typeset -ga preexec_functions
typeset -ga precmd_functions
typeset -ga chpwd_functions
+# use emacs bindings
+bindkey -e
+
# This must be done very early.
clear_psvar() {
psvar=()