Re: [tz] Clarification on future direction of POSIXRULES and POSIX TZ specs?

Tom Lane wrote:

will the behavior for transition-rule-less POSIX TZ specs be that it always falls back to the hard-wired TZDEFRULESTRING?

That sounds like a good way forward, yes. It conforms to POSIX, it corresponds to the intent of the ancient Unix System V code, and for timestamps after 2007 it matches the current tzdb default behavior.