The T81 Test Tool is designed to be used by HIT developers and implementers during the development of software that implements the URL-based implementation of the Conext-aware Information Retrieval (infobutton) standard. These tools can be used for self-testing to determine if a URL is correct with respect to the specifications identified within the following HITSP constructs. <br> <H1>Special Instructions</h1>  For complete information go to http://xreg2.nist.gov:8080/t81/index.html, from this site you can also navigate to example files and other useful information.<br><br>  The test is performed by doing a post to http://xreg2.nist.gov:8080/t81/process.jsp  <H1>Evaluation</H3> This test will require the presence of the monitor who will check that the test has completed without error. 