Just looking at the wholesale cleanup [1] makes me shudder to think about how tough the code was to maintain in the past.
Kudos to the libssl team for injecting some much-needed energy into such a critical library.
If only this were available on GitHub, we could more easily browse the code and learn about patterns and anti-patterns in writing secure code.
[1] http://freshbsd.org/search?project=openbsd&q=file.name:libss...