mxcl/homebrew — comment on commit 4559020ddb08c89f76b4522cfa798ceb7133034e
File:  line 0
By trevor:

i thought about that as well, decided downcase-by-convention was best for the audit since the objective is partly style enforcement.

allowing mixed-case to succeed for installation seems to be good policy, no reason not to with regard to formula outside of the blessed repository.