Pavel Rappo

> CopyOnWriteArrayList needs to override subList.sort since it potentially modifies the array, and COWAL needs to make a copy before making any modifications. I admit, I didn't look into that...

My experience differs from that of Stuart; but my Thunderbird is newer than his. For me, in the Thunderbird's internal mbox file, that line is correctly prefixed: >From [email protected] 2025-06-15...