foo-snapshot / foo-diff convenience functions

[René J.V. Bertin]

On Thursday October 20 2016 10:42:09 Lawrence Velázquez wrote:

> It is already possible to create options that enable/disable portgroup
> behavior after the portgroup is included. The python-1.0 and php-1.1 do

Which increases the implementation complexity of the portgroup - each portgroup that needs to resort to that kind of trick.

R