   #   - the component cannot be found
   # 
   wFetch: (sel, index = 0) -> 
+	  # recursive part
     if (sel instanceof Array)
 	    selkey = sel[index]
+      
+      # make one step by resolving my part
 	    mine = switch selkey
 	      when '.'
 	        this

          throw "Not a waw brick under #{sel.join('/')} (#{selkey}), unable to fetch"
      else
        throw "No such key #{sel[index]}"
    else if (sel[0] == '/')
      @wAw.fetch(sel)
    else

          @wParent
        else
          this[selkey]

      # handle substeps
      if mine?
        if (sel.length-1 == index)
          mine
