check percol

plugins/percol/percol.plugin.zsh

@@ -9,9 +9,8 @@ if which percol &> /dev/null; then
 
     zle -N percol_select_history
     bindkey '^R' percol_select_history
-fi
 
-if which marks &> /dev/null; then
+    if which marks &> /dev/null; then
         function percol_select_marks() {
             BUFFER=$(marks | percol --query "$LBUFFER" | awk '{print $3}')
             CURSOR=$#BUFFER # move cursor
@@ -19,4 +18,5 @@ if which marks &> /dev/null; then
         }
         zle -N percol_select_marks
         bindkey '^B' percol_select_marks
+    fi
 fi