Verify the href attribute in each source anchor specifies the address of the destination anchor with a URI.
Test for assertion 12.1.1-3

In the following anchor element, the href attribute is set to 12_1_1-BF-03a.html. Therefore, clicking on the link shall cause the page 12_1_1-BF-03a.html to be loaded.

This should link to 12_1_1-BF-03a.html.