Hey Jonathan,
I would like to rename the Help menu name for your search plugin from Browser2.0 back to Search. I'll do this just in the Pd-extended 0.43 branch, so it won't touch your code in trunk.
I think it'll be much easier for people to understand as "Search" than Browser2.0. "Browser" is such a vague term anyway, and in the context of Pd, I think it'll make people think of the weird old help browser. I'd say its better to avoid associating your search-plugin with that thing since the search-plugin is really a full-fledged help system.
That reminds me, how about doing a screencast all about how to use the search plugin?
.hc