LOC of different version control systems

[Giorgos Keramidas]

On Mon, 01 Dec 2008 21:00:56 +0200, Alexander Belchenko <bialix at ukr.net> wrote:
> Also Bazaar supports more concepts, more features/workflows and tows
> support for numerous old repo formats. I think this explains its
> codebase size.

Can you elaborate a bit on the `more workflows' part?  I've been seeing
that mentioned here and there, that but I am not sure I understand what
it means for the average ${VCS} user.