Proofview.Tracerecord_info_trace t behaves like t except the info trace is stored.
val log : Proofview_monad.lazy_msg -> unit tacticval name_tactic : Proofview_monad.lazy_msg -> 'a tactic -> 'a tacticval pr_info : 
  Environ.env ->
  Evd.evar_map ->
  ?lvl:int ->
  Proofview_monad.Info.tree ->
  Pp.t