Johan Corveleyn wrote on Mon, Sep 21, 2015 at 16:38:20 +0200: > In [jcorvel's company's] repository, there are a couple of such revisions, > dating from > our conversion from cvs to svn (actually, revision N-1 contains a real > change, but only a short log message; and revision N has a no-op > change to that same path, and a very informative log message > describing the real change in detail). It's not like we consciously > used this as a specific use-case, but now the information is like that > in our repository, and I'd hate to lose it.
The FreeBSD project used to intentionally make no-op commits (they term it "forced commits") as part of their new committer workflow. I don't know whether they still do that.