Ævar Arnfjörð Bjarmason [off-list ref] writes:
Which means that if you're interested in it the best thing you can do
is to take that patch, rebase it on top of master, make sure it works,
and re-submit it.
In the case of that particular patch, it appears to take more than that,
unless you meant "make it work" by "make sure it works". The discussion
following patch seems to indicate that it was very broken and not working
at all, and then the patch submitter disappeared.