fixes #366

select2.js

@@ -1216,8 +1216,12 @@
                 }
             }
 
-            if (search.val().length < opts.minimumInputLength && checkFormatter(opts.formatInputTooShort, "formatInputTooShort")) {
-                render("<li class='select2-no-results'>" + opts.formatInputTooShort(search.val(), opts.minimumInputLength) + "</li>");
+            if (search.val().length < opts.minimumInputLength) {
+                if (checkFormatter(opts.formatInputTooShort, "formatInputTooShort")) {
+                    render("<li class='select2-no-results'>" + opts.formatInputTooShort(search.val(), opts.minimumInputLength) + "</li>");
+                } else {
+                    render("");
+                }
                 return;
             }
             else {