64d8081a01
This is per https://drafts.csswg.org/css-lists/#declaring-a-list-item. I intentionally kept <li value> defined using attribute mapping, I think that's saner than special-casing it in layout. Differential Revision: https://phabricator.services.mozilla.com/D24935
Common testing tools for mozilla codebase projects, test suite definitions for automated test runs, tests that don't fit anywhere else, and other fun stuff