blanking warning please do not replace wikipedia pages with blank content as you did with universal instructional design blank pages are harmful to wikipedia because they have a tendency to confuse readers if it is a duplicate article please redirect it to an appropriate existing page if the page has been vandalised please revert it to the last legitimate version if you feel that the content of a page is inappropriate please edit the page and replace it with appropriate content if you believe there is no hope for the page please see the deletion policy for how to proceed thanks for contributing to wikipedia