On 3/12/2017 6:36 PM, Paul Quinn -> Nicholas Boel wrote:

 PQ> I get that with my other Thunderbird, just by tweaking an icon on one of
 PQ> the columns... oops, I forgotten which but I think it's the left-most
 PQ> column header icon.  YMMV.  :)

Thank you, kind sir! That's exactly what I was looking for.

-- 
Regards,
Nick

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