Update computed filtering examples to include .extend({notify:'always'})

documentation/computedObservables.md

@@ -147,7 +147,7 @@ Example 1 showed how a writeable computed observable can effectively *filter* it
 Taking this a step further, you could also toggle an `isValid` flag depending on whether the latest input was satisfactory, and display a message in the UI accordingly. There's an easier way of doing validation (explained below), but first consider the following view model, which demonstrates the mechanism:
 
     function MyViewModel() {
-        this.acceptedNumericValue = ko.observable(123);
+        this.acceptedNumericValue = ko.observable(123).extend({notify:'always'});
         this.lastInputWasValid = ko.observable(true);
 
         this.attemptedValue = ko.computed({
@@ -161,7 +161,7 @@ Taking this a step further, you could also toggle an `isValid` flag depending on
                 }
             },
             owner: this
-        });
+        }).extend({notify:'always'});
     }
 
     ko.applyBindings(new MyViewModel());

documentation/extenders.md

@@ -59,7 +59,7 @@ ko.extenders.numeric = function(target, precision) {
                 }
             }
         }
-    });
+    }).extend({notify:'always'});
 
     //initialize with current value to make sure it is rounded appropriately
     result(target());