PUBLIC MARKS with tag firefox-extensions

We are happy to announce the winners in our Extend Firefox Contest, a contest held to award the best and brightest extension developers in the Firefox community. The contest asked entrants to create Firefox Extensions that are innovative, useful, and integrate with today's Web services. Over 200 Extensions were submitted to the contest.

this is a great quick debugging tool for me and a lifesaver of a learning tool for those i instruct. html is all about nested containers and this clearly shows them much better than all my commenting, indentation, or syntax coloring ever could.

A useful description is located elsewhere.