On May 18, 3:40*pm, Nyal Williams wrote:
*I only wanted to point out that someone who needed a
button for reply had overlooked it.

I know where the reply button normally is and use it quite often.
There was no reply button for the thread I wished to respond to, only
a reply to author button.

Perhaps Google groups retires a thread after a certain period but I
have not noticed that before.

Andy