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5e44fec38f33997109bc85c099472b2736649fde is the first bad commit
commit 5e44fec38f33997109bc85c099472b2736649fde
Author: Frederic Gohier <address@hidden>
Date: Thu May 10 11:12:44 2018 +0100
Fix crash when using musicxml2ly
Issue 5317
Crash when running musicxml2ly
:040000 040000 32b11d27366ff7d629f2b6ca4d250a08293d6ece
750f9ccdbec7fa68babf3f4414aecb70f57c812b M python
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So this might be the "currently unknown point in time"?