On Thu, May 2, 2013 at 12:50 AM, omd <c.ome...@gmail.com> wrote: > There is an experimental feature which I went ahead and implemented, > but I'd appreciate feedback and will turn it off if desired: all list > messages are piped through a script which rewrites the Date header to > be the same as the relevant value from the appropriate Received > header, for the convenience of recordkeepors.
...and unfortunately, it seems that this is enough to make Gmail treat the message as distinct from the original, so if you send a reply, you now get a duplicate, rather than that only happening when you switch fora. Pfft.
