Mattias Engdeg?rd wrote:
  Data for VT100, VT220 and VT510 have been collected,
as well as
 several emulators
 (
https://github.com/mattiase/wraptest/blob/master/results.txt). If
 anyone has access to other working terminals, VT3xx/VT4xx in
 particular, I'd be most grateful if you would take a few minutes to
 run the test program. 
I have a VT420 set up for my kid to play with.  I'll borrow it and
submit a pull request with the results.