General
This document describes a failure that occurs when a new window is created in response to a user filling in a text field for other than error reporting.
This is a deprecated example showing a failure: A user is filling in their mailing address. When they fill in their postal code, a new window opens containing advertisements for services available in their city.
This example is acceptable: A user is filling in their mailing address in a form. When they fill in the postal code field, a script runs to validate that it is a valid postal code. If the value is not valid, a window opens with instructions on how to fill in the field.