periodic monthly on Wed during last 14
IMO it is cleaner and simpler and allows to express all the notions
we want to express.
See above. I really don't want intervals in the M-on grammar, since it makes it extremely difficult to comprehend by mere mortals.
And I really want them there.
Why? What technical argument necessitates this? I'm inclined to agree with Stephen here. He has a good point.
Consistency, same pattern, same construct so less code... Those are pretty significant arguments for me.
There are couple other things that came from a discussion with UXD which I will describe in a different thread.