Glen Knowles

For example integer could accept locale, scientific, engineering (K, Ki, M, Mi, etc), formats. That way any of the following could be used to give you "10,000": 10000 10,000 1e+4...

My first ever use of it (it is rather painful) and the committee deprecated it a few months later.

Speaking as a mainly Windows programmer I don't really care very much, but yeah...

Allow tuple arguments that would match contiguous values. For example tuple could match "-t 1 2"