@@ -521,11 +521,11 @@ sb.append(key == this ? "(this Map)" : key); sb.append('='); sb.append(value == this ? "(this Map)" : value); if (! i.hasNext()) return sb.append('}').toString(); - sb.append(", "); + sb.append(',').append(' '); } } /** * Returns a shallow copy of this <tt>AbstractMap</tt> instance: the keys