Alexey Melnikov writes:
Adding a requirements that "IMAP servers that support this extension MUSTsupport at least one langauge in addition to i-default" would correct this by avoiding the corner case. (Just an observation, I'm not set on any particularsolution.)So we can follow's Tim suggestion. Alternatively we can have 2 separate responses to distinguish 2 cases. Which alternative is preferred by the WG?
Tim's suggestion. What he's found is that LANGUAGE without languages has syntactic problems. I think it's likely that there are other problems too, which his suggestion avoids at low or no cost.
Arnt