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7d387dd4d6
* list_ref can become LUA_REFNIL, because that's what rawgeti returns for LUA_NOREF. Defensively guard for this, rather than falling into the sntp_dolookups loop with nil on the stack. * set_repeat_mode should not call itself, but should rather always do what it's going to do and then optionally do the rest if directed. * sntp_sync should not try to special case the single string argument: we should be queueing that name for DNS resolution, too. Towards that end, if we are given a single string, build a table and make that the list_ref and call off to sntp_dolookups, just like we otherwise do. FIXES: #2699