Removed a left print.

expr.go

@@ -494,7 +494,6 @@ func (e *expr) evalValue(ctx *Context) (interface{}, error) {
 		case bool:
 			return !val, nil
 		default:
-			fmt.Printf("%v (type %T)\n", value, value)
 			// If negation of a string, int or something, check whether they equal
 			// their default value. Default behaviour is: empty type evaluates to false (since
 			// this is a negation it must evaluating to true) 

template_test.go

@@ -243,6 +243,7 @@ var tags_tests = []test{
 	{"{% if !true || !true || !true || true && true %}Yes{% else %}No{%endif%}", "Yes", nil, ""},
 	{"{% if false || false || true || false %}Yes{% else %}No{%endif%}", "Yes", nil, ""},
 	{"{% if false || true %}Yes{% else %}No{%endif%}", "Yes", nil, ""},
+	{"{% if novalue %}Yes{% else %}No{%endif%}", "No", nil, ""},
 	{"{% if !novalue %}Yes{% else %}No{%endif%}", "Yes", nil, ""},
 	{"{% if person %}Yes{% else %}No{% endif %}", "xxxx", Context{"person": &person}, "Pongo panicked with this error"}, // This one lets pongo panicking in tags.go 
 	{"{% if person %}Yes{% else %}No{% endif %}", "xxxx", Context{"person": &person}, "FUTURE"},                         // Should be fixed in the future