If tagging mode is activated, do not check values

src/select.js

@@ -1004,6 +1004,7 @@
                 return false;
               };
               if (!inputValue) return resultMultiple; //If ngModel was undefined
+              if ($select.tagging.isActivated) return inputValue;
               for (var k = inputValue.length - 1; k >= 0; k--) {
                 if (!checkFnMultiple($select.selected, inputValue[k])){
                   checkFnMultiple(data, inputValue[k]);

test/select.spec.js

@@ -340,6 +340,14 @@ describe('ui-select tests', function() {
 
     expect($(el).scope().$select.selected).toEqual("I don't exist");
   });
+
+  it('should keep the model intact when the tagging attribute is defined', function() {
+    scope.selection.selected.push("I am not on the list of choices");
+    var el = createUiSelect({tagging: true});
+    clickMatch(el);
+
+    expect($(el).scope().$select.selected).toEqual("I am not on the list of choices");
+  });
 
   it('should format new items using the tagging function when the attribute is a function', function() {
     scope.taggingFunc = function (name) {