register position after entering a split

[Wm]

Mon, 8 Jun 2015 06:05:46 
<557522AA.9284.CED0A90 at Fred.Bone.dial.pipex.com>  Fred Bone 
<Fred.Bone at dial.pipex.com>

>[2.4.12 on WinXPPro-SP3, though I don't expect version or OS have any
>effect on this aspect of its behaviour]

dunno if you're holding back Fred but 2.6.6 works OK on my side system 
running WinXPHomeSP3;

worth a try, the dev's have put in some effort, y'know it is churlish 
not to try the improvements out :)

-- 
Wm...