diff --git a/tests/lean/StxQuot.lean.expected.out b/tests/lean/StxQuot.lean.expected.out
index 2e4a2a071e..5b8894c3db 100644
--- a/tests/lean/StxQuot.lean.expected.out
+++ b/tests/lean/StxQuot.lean.expected.out
@@ -1,29 +1,29 @@
-"(Term.id `Nat.one.0 (null))"
+"(Term.id `Nat.one._@.UnhygienicMain._hyg.0 (null))"
 "<missing>"
 "<missing>"
 "<missing>"
 "(Term.add <missing> \"+\" (Term.num (numLit \"1\")))"
 "(Term.add <missing> \"+\" (Term.num (numLit \"1\")))"
 "(Term.add (Term.num (numLit \"1\")) \"+\" (Term.num (numLit \"1\")))"
-"(Term.fun \"fun\" (null (Term.id `a.0 (null))) \"=>\" (Term.id `a.0 (null)))"
-"(Command.declaration\n (Command.declModifiers (null) (null) (null) (null) (null) (null))\n (Command.def\n  \"def\"\n  (Command.declId `foo.0 (null))\n  (Command.optDeclSig (null) (null))\n  (Command.declValSimple \":=\" (Term.num (numLit \"1\")))))"
-"(null\n (Command.declaration\n  (Command.declModifiers (null) (null) (null) (null) (null) (null))\n  (Command.def\n   \"def\"\n   (Command.declId `foo.0 (null))\n   (Command.optDeclSig (null) (null))\n   (Command.declValSimple \":=\" (Term.num (numLit \"1\")))))\n (Command.declaration\n  (Command.declModifiers (null) (null) (null) (null) (null) (null))\n  (Command.def\n   \"def\"\n   (Command.declId `bar.0 (null))\n   (Command.optDeclSig (null) (null))\n   (Command.declValSimple \":=\" (Term.num (numLit \"2\"))))))"
-"(Term.id `Nat.one.0 (null))"
-"(Term.app (Term.id `f.0 (null)) (null (Term.id `Nat.one.0 (null)) (Term.id `Nat.one.0 (null))))"
-"(Term.dollar\n (Term.id `f.0 (null))\n \"$\"\n (Term.app (Term.id `f.0 (null)) (null (Term.id `Nat.one.0 (null)) (Term.num (numLit \"1\")))))"
-"(Term.app (Term.id `f.0 (null)) (null (Term.id `Nat.one.0 (null))))"
-"(Term.proj (Term.id `Nat.one.0 (null)) \".\" `b.0)"
+"(Term.fun \"fun\" (null (Term.id `a._@.UnhygienicMain._hyg.0 (null))) \"=>\" (Term.id `a._@.UnhygienicMain._hyg.0 (null)))"
+"(Command.declaration\n (Command.declModifiers (null) (null) (null) (null) (null) (null))\n (Command.def\n  \"def\"\n  (Command.declId `foo._@.UnhygienicMain._hyg.0 (null))\n  (Command.optDeclSig (null) (null))\n  (Command.declValSimple \":=\" (Term.num (numLit \"1\")))))"
+"(null\n (Command.declaration\n  (Command.declModifiers (null) (null) (null) (null) (null) (null))\n  (Command.def\n   \"def\"\n   (Command.declId `foo._@.UnhygienicMain._hyg.0 (null))\n   (Command.optDeclSig (null) (null))\n   (Command.declValSimple \":=\" (Term.num (numLit \"1\")))))\n (Command.declaration\n  (Command.declModifiers (null) (null) (null) (null) (null) (null))\n  (Command.def\n   \"def\"\n   (Command.declId `bar._@.UnhygienicMain._hyg.0 (null))\n   (Command.optDeclSig (null) (null))\n   (Command.declValSimple \":=\" (Term.num (numLit \"2\"))))))"
+"(Term.id `Nat.one._@.UnhygienicMain._hyg.0 (null))"
+"(Term.app\n (Term.id `f._@.UnhygienicMain._hyg.0 (null))\n (null (Term.id `Nat.one._@.UnhygienicMain._hyg.0 (null)) (Term.id `Nat.one._@.UnhygienicMain._hyg.0 (null))))"
+"(Term.dollar\n (Term.id `f._@.UnhygienicMain._hyg.0 (null))\n \"$\"\n (Term.app\n  (Term.id `f._@.UnhygienicMain._hyg.0 (null))\n  (null (Term.id `Nat.one._@.UnhygienicMain._hyg.0 (null)) (Term.num (numLit \"1\")))))"
+"(Term.app (Term.id `f._@.UnhygienicMain._hyg.0 (null)) (null (Term.id `Nat.one._@.UnhygienicMain._hyg.0 (null))))"
+"(Term.proj (Term.id `Nat.one._@.UnhygienicMain._hyg.0 (null)) \".\" `b._@.UnhygienicMain._hyg.0)"
 "(Term.add (Term.num (numLit \"2\")) \"+\" (Term.num (numLit \"1\")))"
-"(Command.declaration\n (Command.declModifiers (null) (null) (null) (null) (null) (null))\n (Command.def\n  \"def\"\n  (Command.declId `foo.0 (null))\n  (Command.optDeclSig (null) (null))\n  (Command.declValSimple \":=\" (Term.num (numLit \"1\")))))"
-"(null\n (Command.declaration\n  (Command.declModifiers (null) (null) (null) (null) (null) (null))\n  (Command.def\n   \"def\"\n   (Command.declId `bar.0 (null))\n   (Command.optDeclSig (null) (null))\n   (Command.declValSimple \":=\" (Term.num (numLit \"2\")))))\n (Command.declaration\n  (Command.declModifiers (null) (null) (null) (null) (null) (null))\n  (Command.def\n   \"def\"\n   (Command.declId `foo.0 (null))\n   (Command.optDeclSig (null) (null))\n   (Command.declValSimple \":=\" (Term.num (numLit \"1\"))))))"
+"(Command.declaration\n (Command.declModifiers (null) (null) (null) (null) (null) (null))\n (Command.def\n  \"def\"\n  (Command.declId `foo._@.UnhygienicMain._hyg.0 (null))\n  (Command.optDeclSig (null) (null))\n  (Command.declValSimple \":=\" (Term.num (numLit \"1\")))))"
+"(null\n (Command.declaration\n  (Command.declModifiers (null) (null) (null) (null) (null) (null))\n  (Command.def\n   \"def\"\n   (Command.declId `bar._@.UnhygienicMain._hyg.0 (null))\n   (Command.optDeclSig (null) (null))\n   (Command.declValSimple \":=\" (Term.num (numLit \"2\")))))\n (Command.declaration\n  (Command.declModifiers (null) (null) (null) (null) (null) (null))\n  (Command.def\n   \"def\"\n   (Command.declId `foo._@.UnhygienicMain._hyg.0 (null))\n   (Command.optDeclSig (null) (null))\n   (Command.declValSimple \":=\" (Term.num (numLit \"1\"))))))"
 "0"
 "1"
-"(Term.fun\n \"fun\"\n (null\n  (Term.id `a.0 (null))\n  (Term.paren \"(\" (null (Term.id `b.0 (null)) (null (Term.typeAscription \":\" (Term.id `Nat.0 (null))))) \")\"))\n \"=>\"\n (Term.num (numLit \"1\")))"
-"#[(Term.paren \"(\" (null (Term.id `a.0 (null)) (null (Term.typeAscription \":\" (Term.id `Nat.0 (null))))) \")\"), (Term.id `b.0 (null))]"
-"`a.0"
-"(Term.forall \"∀\" (null (Term.simpleBinder (null (Term.hole \"_\")))) \",\" (Term.id `c.0 (null)))"
+"(Term.fun\n \"fun\"\n (null\n  (Term.id `a._@.UnhygienicMain._hyg.0 (null))\n  (Term.paren\n   \"(\"\n   (null\n    (Term.id `b._@.UnhygienicMain._hyg.0 (null))\n    (null (Term.typeAscription \":\" (Term.id `Nat._@.UnhygienicMain._hyg.0 (null)))))\n   \")\"))\n \"=>\"\n (Term.num (numLit \"1\")))"
+"#[(Term.paren\n \"(\"\n (null\n  (Term.id `a._@.UnhygienicMain._hyg.0 (null))\n  (null (Term.typeAscription \":\" (Term.id `Nat._@.UnhygienicMain._hyg.0 (null)))))\n \")\"), (Term.id `b._@.UnhygienicMain._hyg.0 (null))]"
+"`a._@.UnhygienicMain._hyg.0"
+"(Term.forall \"∀\" (null (Term.simpleBinder (null (Term.hole \"_\")))) \",\" (Term.id `c._@.UnhygienicMain._hyg.0 (null)))"
 "(Term.simpleBinder (null (Term.hole \"_\")))"
-"`a.0"
-"(Term.id `a.0 (null (Term.explicitUniv \".{\" (null (Level.num (numLit \"0\"))) \"}\")))"
-"#[(Term.matchAlt \"|\" (null (Term.id `a.0 (null))) \"=>\" (Term.num (numLit \"1\"))), (Term.matchAlt \"|\" (null (Term.hole \"_\")) \"=>\" (Term.num (numLit \"2\")))]"
-"#[(Term.matchAlt \"|\" (null (Term.id `a.0 (null))) \"=>\" (Term.num (numLit \"1\"))), (Term.matchAlt \"|\" (null (Term.hole \"_\")) \"=>\" (Term.num (numLit \"2\")))]"
+"`a._@.UnhygienicMain._hyg.0"
+"(Term.id `a._@.UnhygienicMain._hyg.0 (null (Term.explicitUniv \".{\" (null (Level.num (numLit \"0\"))) \"}\")))"
+"#[(Term.matchAlt \"|\" (null (Term.id `a._@.UnhygienicMain._hyg.0 (null))) \"=>\" (Term.num (numLit \"1\"))), (Term.matchAlt \"|\" (null (Term.hole \"_\")) \"=>\" (Term.num (numLit \"2\")))]"
+"#[(Term.matchAlt \"|\" (null (Term.id `a._@.UnhygienicMain._hyg.0 (null))) \"=>\" (Term.num (numLit \"1\"))), (Term.matchAlt \"|\" (null (Term.hole \"_\")) \"=>\" (Term.num (numLit \"2\")))]"