* a wrong context was used to refine fixpoints arguments
when trying to optimize out the letin (grep for `AvoidLetIn):
(let rec f x = Fix... in f t ---> Fix... t)
* auto fixed to prefer goals with metavariables to closed ones,
added new syntax to specify the universe "auto by t1, t2, ...",
updated documentation describing all auto parameters
* a wrong context was used to refine fixpoints arguments
when trying to optimize out the letin (grep for `AvoidLetIn):
(let rec f x = Fix... in f t ---> Fix... t)
* auto fixed to prefer goals with metavariables to closed ones,
added new syntax to specify the universe "auto by t1, t2, ...",
updated documentation describing all auto parameters