| Some (_,_,_,sats,cpos) ->
if cpos < List.length tl then
let _,rest =
- try HExtlib.split_nth (cpos+sats+1) tl with Failure _ -> [],[]
+ try HExtlib.split_nth "TAC 1" (cpos+sats+1) tl with Failure _ -> [],[]
in
if rest = [] then
idref aid (List.nth (List.map k tl) cpos)