ltac1 bridge is sensitive to `name`?

[patrick-nicodemus]

Not sure if this is specific to call-ltac1 or elsewhere.

Ltac revwrap x := revert x.

Elpi Tactic rev_ltac.
Elpi Accumulate lp:{{ 

  solve (goal [def Eigen Name Typ Body|L] Raw Ty Evar Args) GL :-
    coq.ltac.call-ltac1 "revwrap"
      (goal [def Eigen Name Typ Body|L] Raw Ty Evar [trm Eigen])
      GL.

  solve (goal [decl Eigen Name Typ|L] Raw Ty Evar Args) GL :-
    coq.ltac.call-ltac1 "revwrap"
      (goal [decl Eigen Name Typ|L] Raw Ty Evar [trm Eigen])
      GL.
}}.

this code works as desired but if I change it from coq.ltac.call-ltac1 "revwrap" (goal def Eigen Name ... to coq.ltac.call-ltac1 "revwrap" (goal def Eigen Name2 ... it breaks. So goals are sensitive to the value of Name, at least across the ltac1 bridge?

[gares]

I confirm. I think the problem is that Evar is linked to Rocq evar where Name2 is not there.
It is definitely linked to ltac1 bridge.