On 29/12/2019 07:47, Rick Moen wrote:
[snip]

Thanks Rick, I appreciate that chain of summaries and the time it has saved now not having to dig through archives.
Email has probably got to be one of my weakest areas of knowlege, I have learnt something today.
When drawing my own conclusions I pay little heed to dissagrievements on mailing lists, but find facts really helpful.