> By asking on IRC, I was told that I needed to run "cabal update" to get past
> this problem. Perhaps the README should suggest running "cabal update".
> (Presumably people who are cabal experts will know that they can skip this step
> in most cases.)
I would suggest that *cabal* should suggest to run "cabal update"-- that
seems like the Right Thing To Do (TM). (And for current versions of
cabal which don't, yes, please update the README.)