Fix display of custom dir path separator on linux

powerlevel9k.zsh-theme

@@ -505,7 +505,7 @@ prompt_dir() {
   fi
 
   if [[ "${POWERLEVEL9K_DIR_PATH_SEPARATOR}" != "/" ]]; then
-    current_path=$(echo "${current_path}" | sed "s/\//${POWERLEVEL9K_DIR_PATH_SEPARATOR}/g")
+    current_path=$(print -P "${current_path}" | sed "s/\//${POWERLEVEL9K_DIR_PATH_SEPARATOR}/g")
   fi
 
   typeset -AH dir_states
@@ -520,7 +520,7 @@ prompt_dir() {
   elif [[ $(print -P "%~") == '~'* ]]; then
     current_state="HOME_SUBFOLDER"
   fi
-  "$1_prompt_segment" "$0_${current_state}" "$2" "blue" "$DEFAULT_COLOR" "$current_path" "${dir_states[$current_state]}"
+  "$1_prompt_segment" "$0_${current_state}" "$2" "blue" "$DEFAULT_COLOR" "${current_path}" "${dir_states[$current_state]}"
 }
 
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