attempt of fixing #684

Calling of `options.onInvalidateSelection` in onBlur timer.

Author: elektronika-ba

src/jquery.autocomplete.js

@@ -227,12 +227,19 @@
         },
 
         onBlur: function () {
-            var that = this;
+            var that = this,
+                options = that.options,
+                value = that.el.val(),
+                query = that.getQuery(value);
 
             // If user clicked on a suggestion, hide() will
             // be canceled, otherwise close suggestions
             that.blurTimeoutId = setTimeout(function () {
                 that.hide();
+
+                if (that.selection && that.currentValue !== query) {
+                    (options.onInvalidateSelection || $.noop).call(that.element);
+                }
             }, 200);
         },