User-agent: Mozilla/5.0 (Windows NT 5.1; rv:45.0) Gecko/20100101 Thunderbird/45.7.1
The code changes (to 051) to get 2x sized are really simple =
= they should all be as described on my web page
(it was building 051 for Windows that was not simple :-) )
I'll dig out the actual code and put it up on my web today
Cheers Steve