Herbert König wrote:
> Really try the TracingMessagesBrowser, it needs magma base additions
> and magma exceptions (don't have an image handy for correct names),
> all on SM.
>
>   
I haven't had a chance to use it in any great depth but this does look 
very promising indeed, thank you.

I second Duncan's suggestion for putting it in the default 3.9 image and 
if you like I can try and help but bear in mind I am still learning.