If a MUA breaks lines in quoted text (not to be confused with reflowing format=flowed!), that's a bug in the MUA. While email isn't trivial, it's not _that_ dif

If a MUA breaks lines in quoted text (not to be confused with reflowing format=flowed!), that's a bug in the MUA. While email isn't trivial, it's not _that_ difficult either, if people cared.