I FIRMLY believe that documents related to a project should be managed in the same version repository as the source code. This gives us a snapshot in time of all items related to a project. The problem with this comes when using a wiki (and I love using wikis, so don’t get me wrong). There is no way, if we are using a wiki page for specs, requirements, etc., to link a wiki instance in time to a Subversion (Git, Mercurial, whatever) instance in time.
And I don’t think we would want such a feature anyway. A wiki covers many projects and many team needs, not just the needs of a small group of programmers on a single project. I can’t imagine “rolling back” an entire wiki to a given snapshot.
I wonder if there are any clever ideas out there for handling a need such as this. I can see the possibility of pre-commit hooks being used to label wiki pages, but this seems cumbersome (if not entirely unmanageable). The other solution is to rely on the wiki only for collaboration and not for official documentation of any kind. This approach, unfortunately, cripples much of the power of using a wiki.
I am open to ideas.