I previously suggested this could help SEO:
http://www.postgresql.org/message-id/560614CA.1080304@mail.com
There wasn't much of a reaction but hopefully actually providing
the patch might make the difference.
You'll now see something like:
9.2 / 9.3 / current (9.4)
at the top of the page, with "current" linking /docs/current
and "9.4" linking /docs/9.4.
For SEO purposes I think it would actually be better to elide
the numbered-version altogether, so people will have to do extra work
*not* to link to /docs/current/, but I figured that would turn into
a bikeshed, so this less intrusive version is what I'm sending.
Amir