> The BNF is revised:
Thanks for that!
In this e-mail, I will just write a few short comments. I plan to write
about some bigger issues later in their own thread.
> BNF syntax used
Maybe we should clarify that
(A B) | C
means the same that
A B | C
even without line break, doesn't it?
Several productions exclude negative years. Maybe, that is what we want. I
suggest to clarify this point.
may be misspelled at several places as well as
Furthermore, I can not find the production with
on its LHS.
A problem in today's BNF is that it allows dates such as
and I consider that this needs to be fixed.