On Sun, Feb 17, 2019 at 6:25 AM Robert P. Goldman <rpgoldman@sift.net> wrote:

> Quick response for now: yes, lowercase naming is a requirement.

Hi Robert, thanks for your reply. Got it, no problem. I will adjust my
stuff accordingly.

It would really help a lot if the policy for the name of the system
and the corresponding .asd filename were spelled out in the ASDF
manual. As it stands, the manual doesn't say anything about
requirements for system-designator; there are incidental comments
suggesting using lowercase but not a specification or requirement. If
names are indeed restricted to lowercase letters, digits, and hyphens,
it would be great to say so.