Missing comments and incorret closure status on some Trac import tickets
e.g
- ghc/ghc#503 (closed) / https://ghc.haskell.org/trac/ghc/ticket/503
- https://ghc.haskell.org/trac/ghc/ticket/501
- https://ghc.haskell.org/trac/ghc/ticket/499
- more
From all the ones I've seen that have this problem, they are from 18 years ago and were assigned to nobody. But there may be others, I didn't look particularly hard.