9:36 AM
I was digging around in PGF and discovered "soft paths". That gave me an idea for an old TikZ question (though in the end I didn't need soft paths, but it's where the idea came from).
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I've found a new answer to this using the decorations library. We use the show path construction decoration to split the path up in to sections. We only render the pieces if a certain flag is set. The trick is to figure out a way to input the path in such a way that we can specify the flag swi...

8 hours later…
6:00 PM
@lockstep I now pledge to leave all biblatex questions in your capable hands. :-) tex.stackexchange.com/q/16748/2693

@AlanMunn On the other hand, maybe not. ;-)

@lockstep What's the bet that no one else will answer. But couldn't the problem be solved by just using \parencite for all the citations, or am I missing something?

@AlanMunn Part of my redefinitions involve \parencite.

@lockstep I see. So there's no simple way to tell \parencite with authoryear to use square brackets instead of parentheses.

6:15 PM
@AlanMunn None that I know of.
Everyone: I'd like to hear your opinion on abolishing the tag.

@lockstep You make a pretty good case