solved qcd -l problem. highbeam string argument rules

qcd_function

@@ -44,6 +44,7 @@ have qcd &&
 _qcd()
 {
         local cur
+        local d
         COMPREPLY=()
         cur=${COMP_WORDS[COMP_CWORD]}
         if [[ "$cur" == -* ]]; then
@@ -106,11 +107,12 @@ Keeps a history of folders visited in ~/.bash_cdhistory
         esac
     done
     shift $(($OPTIND - 1))
+    if [ -z "$1" ]
+    then [[ $OPTIND -gt 1 ]] && return
+         \cd; return
+    fi
     unset OPTSTRING
     unset OPTIND
-    if [ -z "$1" ]
-    then \cd; return
-    fi
     if [ "$1" = "-" ]
     then \cd -; return
     fi