     else
       @l(n)+strEscape str
 
-  # `identifier`  
+  # `identifier`
   # Any object identifier like a variable name.
 
   'identifier': (n) ->

    else
      @l(n)+"#{sign}#{@build n.left()}"

  # `=` (aka, assignment)  
  # For `a = b` (but not `var a = b`: that's `var`).

  '=': (n) ->

      else
        res.push ""

    comments = builder.comments_not_done_to(1e10)
    if comments
      res.push comments

