THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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org.apache.wicket.Component#setResponsePage(page) just delegates to org.apache.wicket.request.cycle.RequestCycle#setResponsePage() that required just IRequestablePage.
AutoCompleteTextField doesn't support useHideShowCoveredIEFix setting WICKET-5130
useHideShowCoveredIEFix setting was needed for IE7 support. This version of IE is not supported officially anymore and this setting has been removed.
Behavior changes
org.apache.wicket.request.Url#getQueryString WICKET-4664
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