diff --git a/internal/stringutil/util.go b/internal/stringutil/util.go
index 4b4ba7e9d6..7fb753008a 100644
--- a/internal/stringutil/util.go
+++ b/internal/stringutil/util.go
@@ -217,7 +217,7 @@ func StripQuotes(name string) string {
 	return name
 }
 
-var matchSlashSomething = regexp.MustCompile(`\.`)
+var matchSlashSomething = regexp.MustCompile(`\\.`)
 
 func matchSlashReplacer(in string) string {
 	return in[1:]
diff --git a/testdata/baselines/reference/submodule/compiler/classStaticPropertyAccess.symbols b/testdata/baselines/reference/submodule/compiler/classStaticPropertyAccess.symbols
index 16bba6ec2c..ba265a43f8 100644
--- a/testdata/baselines/reference/submodule/compiler/classStaticPropertyAccess.symbols
+++ b/testdata/baselines/reference/submodule/compiler/classStaticPropertyAccess.symbols
@@ -5,7 +5,7 @@ class A {
 >A : Symbol(A, Decl(classStaticPropertyAccess.ts, 0, 0))
 
     public static "\""() {}
->"\"" : Symbol(A["\\\""], Decl(classStaticPropertyAccess.ts, 0, 9))
+>"\"" : Symbol(A["\""], Decl(classStaticPropertyAccess.ts, 0, 9))
 
     public static x: number = 1;
 >x : Symbol(A.x, Decl(classStaticPropertyAccess.ts, 1, 27))
diff --git a/testdata/baselines/reference/submodule/compiler/classStaticPropertyAccess.symbols.diff b/testdata/baselines/reference/submodule/compiler/classStaticPropertyAccess.symbols.diff
deleted file mode 100644
index a633ab5086..0000000000
--- a/testdata/baselines/reference/submodule/compiler/classStaticPropertyAccess.symbols.diff
+++ /dev/null
@@ -1,11 +0,0 @@
---- old.classStaticPropertyAccess.symbols
-+++ new.classStaticPropertyAccess.symbols
-@@= skipped -4, +4 lines =@@
- >A : Symbol(A, Decl(classStaticPropertyAccess.ts, 0, 0))
-
-     public static "\""() {}
-->"\"" : Symbol(A["\""], Decl(classStaticPropertyAccess.ts, 0, 9))
-+>"\"" : Symbol(A["\\\""], Decl(classStaticPropertyAccess.ts, 0, 9))
-
-     public static x: number = 1;
- >x : Symbol(A.x, Decl(classStaticPropertyAccess.ts, 1, 27))
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/compiler/numericClassMembers1.symbols b/testdata/baselines/reference/submodule/compiler/numericClassMembers1.symbols
index 5220c6a289..4a88f90b68 100644
--- a/testdata/baselines/reference/submodule/compiler/numericClassMembers1.symbols
+++ b/testdata/baselines/reference/submodule/compiler/numericClassMembers1.symbols
@@ -25,7 +25,7 @@ class C236 {
 >C236 : Symbol(C236, Decl(numericClassMembers1.ts, 8, 1))
 
     '0.0' = 1;
->'0.0' : Symbol(C236["00"], Decl(numericClassMembers1.ts, 10, 12))
+>'0.0' : Symbol(C236["0.0"], Decl(numericClassMembers1.ts, 10, 12))
 
     '0' = 2;
 >'0' : Symbol(C236["0"], Decl(numericClassMembers1.ts, 11, 14))
diff --git a/testdata/baselines/reference/submodule/compiler/numericClassMembers1.symbols.diff b/testdata/baselines/reference/submodule/compiler/numericClassMembers1.symbols.diff
index 084bfdac7c..01e466b43e 100644
--- a/testdata/baselines/reference/submodule/compiler/numericClassMembers1.symbols.diff
+++ b/testdata/baselines/reference/submodule/compiler/numericClassMembers1.symbols.diff
@@ -5,7 +5,7 @@
 
      '0.0' = 1;
 ->'0.0' : Symbol(C236['0.0'], Decl(numericClassMembers1.ts, 10, 12))
-+>'0.0' : Symbol(C236["00"], Decl(numericClassMembers1.ts, 10, 12))
++>'0.0' : Symbol(C236["0.0"], Decl(numericClassMembers1.ts, 10, 12))
 
      '0' = 2;
 ->'0' : Symbol(C236['0'], Decl(numericClassMembers1.ts, 11, 14))
diff --git a/testdata/baselines/reference/submodule/compiler/propertiesAndIndexersForNumericNames.symbols b/testdata/baselines/reference/submodule/compiler/propertiesAndIndexersForNumericNames.symbols
index 7f8e894dcf..65115e0e08 100644
--- a/testdata/baselines/reference/submodule/compiler/propertiesAndIndexersForNumericNames.symbols
+++ b/testdata/baselines/reference/submodule/compiler/propertiesAndIndexersForNumericNames.symbols
@@ -16,13 +16,13 @@ class C {
 >"-1" : Symbol(C["-1"], Decl(propertiesAndIndexersForNumericNames.ts, 5, 34))
 
     public "-2.5": string = "negative number"; // Error
->"-2.5" : Symbol(C["-25"], Decl(propertiesAndIndexersForNumericNames.ts, 6, 44))
+>"-2.5" : Symbol(C["-2.5"], Decl(propertiesAndIndexersForNumericNames.ts, 6, 44))
 
     public "3.141592": string = "pi-sitive number"; // Error
->"3.141592" : Symbol(C["3141592"], Decl(propertiesAndIndexersForNumericNames.ts, 7, 46))
+>"3.141592" : Symbol(C["3.141592"], Decl(propertiesAndIndexersForNumericNames.ts, 7, 46))
 
     public "1.2e-20": string = "really small number"; // Error
->"1.2e-20" : Symbol(C["12e-20"], Decl(propertiesAndIndexersForNumericNames.ts, 8, 51))
+>"1.2e-20" : Symbol(C["1.2e-20"], Decl(propertiesAndIndexersForNumericNames.ts, 8, 51))
 
     public "Infinity": string = "A gillion"; // Error
 >"Infinity" : Symbol(C["Infinity"], Decl(propertiesAndIndexersForNumericNames.ts, 9, 53))
@@ -94,6 +94,6 @@ class C {
 >"0b101101001010" : Symbol(C["0b101101001010"], Decl(propertiesAndIndexersForNumericNames.ts, 37, 47))
 
     public "0.000000000000000000012": string = "should've been in exponential form"; // No error
->"0.000000000000000000012" : Symbol(C["0000000000000000000012"], Decl(propertiesAndIndexersForNumericNames.ts, 38, 56))
+>"0.000000000000000000012" : Symbol(C["0.000000000000000000012"], Decl(propertiesAndIndexersForNumericNames.ts, 38, 56))
 }
 
diff --git a/testdata/baselines/reference/submodule/compiler/propertiesAndIndexersForNumericNames.symbols.diff b/testdata/baselines/reference/submodule/compiler/propertiesAndIndexersForNumericNames.symbols.diff
deleted file mode 100644
index d69441eefb..0000000000
--- a/testdata/baselines/reference/submodule/compiler/propertiesAndIndexersForNumericNames.symbols.diff
+++ /dev/null
@@ -1,26 +0,0 @@
---- old.propertiesAndIndexersForNumericNames.symbols
-+++ new.propertiesAndIndexersForNumericNames.symbols
-@@= skipped -15, +15 lines =@@
- >"-1" : Symbol(C["-1"], Decl(propertiesAndIndexersForNumericNames.ts, 5, 34))
-
-     public "-2.5": string = "negative number"; // Error
-->"-2.5" : Symbol(C["-2.5"], Decl(propertiesAndIndexersForNumericNames.ts, 6, 44))
-+>"-2.5" : Symbol(C["-25"], Decl(propertiesAndIndexersForNumericNames.ts, 6, 44))
-
-     public "3.141592": string = "pi-sitive number"; // Error
-->"3.141592" : Symbol(C["3.141592"], Decl(propertiesAndIndexersForNumericNames.ts, 7, 46))
-+>"3.141592" : Symbol(C["3141592"], Decl(propertiesAndIndexersForNumericNames.ts, 7, 46))
-
-     public "1.2e-20": string = "really small number"; // Error
-->"1.2e-20" : Symbol(C["1.2e-20"], Decl(propertiesAndIndexersForNumericNames.ts, 8, 51))
-+>"1.2e-20" : Symbol(C["12e-20"], Decl(propertiesAndIndexersForNumericNames.ts, 8, 51))
-
-     public "Infinity": string = "A gillion"; // Error
- >"Infinity" : Symbol(C["Infinity"], Decl(propertiesAndIndexersForNumericNames.ts, 9, 53))
-@@= skipped -78, +78 lines =@@
- >"0b101101001010" : Symbol(C["0b101101001010"], Decl(propertiesAndIndexersForNumericNames.ts, 37, 47))
-
-     public "0.000000000000000000012": string = "should've been in exponential form"; // No error
-->"0.000000000000000000012" : Symbol(C["0.000000000000000000012"], Decl(propertiesAndIndexersForNumericNames.ts, 38, 56))
-+>"0.000000000000000000012" : Symbol(C["0000000000000000000012"], Decl(propertiesAndIndexersForNumericNames.ts, 38, 56))
- }
diff --git a/testdata/baselines/reference/submodule/conformance/assignmentCompatWithObjectMembersStringNumericNames.symbols b/testdata/baselines/reference/submodule/conformance/assignmentCompatWithObjectMembersStringNumericNames.symbols
index d47e454165..fb4b5643a3 100644
--- a/testdata/baselines/reference/submodule/conformance/assignmentCompatWithObjectMembersStringNumericNames.symbols
+++ b/testdata/baselines/reference/submodule/conformance/assignmentCompatWithObjectMembersStringNumericNames.symbols
@@ -13,7 +13,7 @@ module JustStrings {
 
     class T { '1.': string; }
 >T : Symbol(T, Decl(assignmentCompatWithObjectMembersStringNumericNames.ts, 4, 28))
->'1.' : Symbol(T["1"], Decl(assignmentCompatWithObjectMembersStringNumericNames.ts, 5, 13))
+>'1.' : Symbol(T["1."], Decl(assignmentCompatWithObjectMembersStringNumericNames.ts, 5, 13))
 
     var s: S;
 >s : Symbol(s, Decl(assignmentCompatWithObjectMembersStringNumericNames.ts, 6, 7))
@@ -30,7 +30,7 @@ module JustStrings {
 
     interface T2 { '1.0': string; baz?: string }
 >T2 : Symbol(T2, Decl(assignmentCompatWithObjectMembersStringNumericNames.ts, 9, 46))
->'1.0' : Symbol(T2["10"], Decl(assignmentCompatWithObjectMembersStringNumericNames.ts, 10, 18))
+>'1.0' : Symbol(T2["1.0"], Decl(assignmentCompatWithObjectMembersStringNumericNames.ts, 10, 18))
 >baz : Symbol(T2.baz, Decl(assignmentCompatWithObjectMembersStringNumericNames.ts, 10, 33))
 
     var s2: S2;
diff --git a/testdata/baselines/reference/submodule/conformance/assignmentCompatWithObjectMembersStringNumericNames.symbols.diff b/testdata/baselines/reference/submodule/conformance/assignmentCompatWithObjectMembersStringNumericNames.symbols.diff
index 66ecf6faeb..2ea174a365 100644
--- a/testdata/baselines/reference/submodule/conformance/assignmentCompatWithObjectMembersStringNumericNames.symbols.diff
+++ b/testdata/baselines/reference/submodule/conformance/assignmentCompatWithObjectMembersStringNumericNames.symbols.diff
@@ -10,7 +10,7 @@
      class T { '1.': string; }
  >T : Symbol(T, Decl(assignmentCompatWithObjectMembersStringNumericNames.ts, 4, 28))
 ->'1.' : Symbol(T['1.'], Decl(assignmentCompatWithObjectMembersStringNumericNames.ts, 5, 13))
-+>'1.' : Symbol(T["1"], Decl(assignmentCompatWithObjectMembersStringNumericNames.ts, 5, 13))
++>'1.' : Symbol(T["1."], Decl(assignmentCompatWithObjectMembersStringNumericNames.ts, 5, 13))
 
      var s: S;
  >s : Symbol(s, Decl(assignmentCompatWithObjectMembersStringNumericNames.ts, 6, 7))
@@ -25,7 +25,7 @@
      interface T2 { '1.0': string; baz?: string }
  >T2 : Symbol(T2, Decl(assignmentCompatWithObjectMembersStringNumericNames.ts, 9, 46))
 ->'1.0' : Symbol(T2['1.0'], Decl(assignmentCompatWithObjectMembersStringNumericNames.ts, 10, 18))
-+>'1.0' : Symbol(T2["10"], Decl(assignmentCompatWithObjectMembersStringNumericNames.ts, 10, 18))
++>'1.0' : Symbol(T2["1.0"], Decl(assignmentCompatWithObjectMembersStringNumericNames.ts, 10, 18))
  >baz : Symbol(T2.baz, Decl(assignmentCompatWithObjectMembersStringNumericNames.ts, 10, 33))
 
      var s2: S2;
diff --git a/testdata/baselines/reference/submodule/conformance/numericIndexerConstrainsPropertyDeclarations.symbols b/testdata/baselines/reference/submodule/conformance/numericIndexerConstrainsPropertyDeclarations.symbols
index b67e792119..f280ea83cc 100644
--- a/testdata/baselines/reference/submodule/conformance/numericIndexerConstrainsPropertyDeclarations.symbols
+++ b/testdata/baselines/reference/submodule/conformance/numericIndexerConstrainsPropertyDeclarations.symbols
@@ -41,10 +41,10 @@ class C {
 >2.0 : Symbol(C[2.0], Decl(numericIndexerConstrainsPropertyDeclarations.ts, 16, 16))
 
     "3.0": string; // ok
->"3.0" : Symbol(C["30"], Decl(numericIndexerConstrainsPropertyDeclarations.ts, 17, 16))
+>"3.0" : Symbol(C["3.0"], Decl(numericIndexerConstrainsPropertyDeclarations.ts, 17, 16))
 
     "4.0": number; // error
->"4.0" : Symbol(C["40"], Decl(numericIndexerConstrainsPropertyDeclarations.ts, 18, 18))
+>"4.0" : Symbol(C["4.0"], Decl(numericIndexerConstrainsPropertyDeclarations.ts, 18, 18))
 
     3.0: MyNumber // error
 >3.0 : Symbol(C[3.0], Decl(numericIndexerConstrainsPropertyDeclarations.ts, 19, 18))
@@ -116,10 +116,10 @@ interface I {
 >foo : Symbol(I.foo, Decl(numericIndexerConstrainsPropertyDeclarations.ts, 51, 15))
 
     "3.0": string; // ok
->"3.0" : Symbol(I["30"], Decl(numericIndexerConstrainsPropertyDeclarations.ts, 52, 18))
+>"3.0" : Symbol(I["3.0"], Decl(numericIndexerConstrainsPropertyDeclarations.ts, 52, 18))
 
     "4.0": number; // error
->"4.0" : Symbol(I["40"], Decl(numericIndexerConstrainsPropertyDeclarations.ts, 53, 18))
+>"4.0" : Symbol(I["4.0"], Decl(numericIndexerConstrainsPropertyDeclarations.ts, 53, 18))
 
     f: MyNumber; // error
 >f : Symbol(I.f, Decl(numericIndexerConstrainsPropertyDeclarations.ts, 54, 18))
diff --git a/testdata/baselines/reference/submodule/conformance/numericIndexerConstrainsPropertyDeclarations.symbols.diff b/testdata/baselines/reference/submodule/conformance/numericIndexerConstrainsPropertyDeclarations.symbols.diff
deleted file mode 100644
index 9b7d39e5ef..0000000000
--- a/testdata/baselines/reference/submodule/conformance/numericIndexerConstrainsPropertyDeclarations.symbols.diff
+++ /dev/null
@@ -1,28 +0,0 @@
---- old.numericIndexerConstrainsPropertyDeclarations.symbols
-+++ new.numericIndexerConstrainsPropertyDeclarations.symbols
-@@= skipped -40, +40 lines =@@
- >2.0 : Symbol(C[2.0], Decl(numericIndexerConstrainsPropertyDeclarations.ts, 16, 16))
-
-     "3.0": string; // ok
-->"3.0" : Symbol(C["3.0"], Decl(numericIndexerConstrainsPropertyDeclarations.ts, 17, 16))
-+>"3.0" : Symbol(C["30"], Decl(numericIndexerConstrainsPropertyDeclarations.ts, 17, 16))
-
-     "4.0": number; // error
-->"4.0" : Symbol(C["4.0"], Decl(numericIndexerConstrainsPropertyDeclarations.ts, 18, 18))
-+>"4.0" : Symbol(C["40"], Decl(numericIndexerConstrainsPropertyDeclarations.ts, 18, 18))
-
-     3.0: MyNumber // error
- >3.0 : Symbol(C[3.0], Decl(numericIndexerConstrainsPropertyDeclarations.ts, 19, 18))
-@@= skipped -75, +75 lines =@@
- >foo : Symbol(I.foo, Decl(numericIndexerConstrainsPropertyDeclarations.ts, 51, 15))
-
-     "3.0": string; // ok
-->"3.0" : Symbol(I["3.0"], Decl(numericIndexerConstrainsPropertyDeclarations.ts, 52, 18))
-+>"3.0" : Symbol(I["30"], Decl(numericIndexerConstrainsPropertyDeclarations.ts, 52, 18))
-
-     "4.0": number; // error
-->"4.0" : Symbol(I["4.0"], Decl(numericIndexerConstrainsPropertyDeclarations.ts, 53, 18))
-+>"4.0" : Symbol(I["40"], Decl(numericIndexerConstrainsPropertyDeclarations.ts, 53, 18))
-
-     f: MyNumber; // error
- >f : Symbol(I.f, Decl(numericIndexerConstrainsPropertyDeclarations.ts, 54, 18))
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/numericIndexerConstrainsPropertyDeclarations2.symbols b/testdata/baselines/reference/submodule/conformance/numericIndexerConstrainsPropertyDeclarations2.symbols
index 18ef3b0d28..732c8cccef 100644
--- a/testdata/baselines/reference/submodule/conformance/numericIndexerConstrainsPropertyDeclarations2.symbols
+++ b/testdata/baselines/reference/submodule/conformance/numericIndexerConstrainsPropertyDeclarations2.symbols
@@ -34,14 +34,14 @@ class Foo {
 >B : Symbol(B, Decl(numericIndexerConstrainsPropertyDeclarations2.ts, 4, 1))
 
     "2.5": B // ok
->"2.5" : Symbol(Foo["25"], Decl(numericIndexerConstrainsPropertyDeclarations2.ts, 13, 11))
+>"2.5" : Symbol(Foo["2.5"], Decl(numericIndexerConstrainsPropertyDeclarations2.ts, 13, 11))
 >B : Symbol(B, Decl(numericIndexerConstrainsPropertyDeclarations2.ts, 4, 1))
 
     3.0: number; // error
 >3.0 : Symbol(Foo[3.0], Decl(numericIndexerConstrainsPropertyDeclarations2.ts, 14, 12))
 
     "4.0": string; // error
->"4.0" : Symbol(Foo["40"], Decl(numericIndexerConstrainsPropertyDeclarations2.ts, 15, 16))
+>"4.0" : Symbol(Foo["4.0"], Decl(numericIndexerConstrainsPropertyDeclarations2.ts, 15, 16))
 }
 
 interface Foo2 {
@@ -60,14 +60,14 @@ interface Foo2 {
 >B : Symbol(B, Decl(numericIndexerConstrainsPropertyDeclarations2.ts, 4, 1))
 
     "2.5": B // ok
->"2.5" : Symbol(Foo2["25"], Decl(numericIndexerConstrainsPropertyDeclarations2.ts, 22, 11))
+>"2.5" : Symbol(Foo2["2.5"], Decl(numericIndexerConstrainsPropertyDeclarations2.ts, 22, 11))
 >B : Symbol(B, Decl(numericIndexerConstrainsPropertyDeclarations2.ts, 4, 1))
 
     3.0: number; // error
 >3.0 : Symbol(Foo2[3.0], Decl(numericIndexerConstrainsPropertyDeclarations2.ts, 23, 12))
 
     "4.0": string; // error
->"4.0" : Symbol(Foo2["40"], Decl(numericIndexerConstrainsPropertyDeclarations2.ts, 24, 16))
+>"4.0" : Symbol(Foo2["4.0"], Decl(numericIndexerConstrainsPropertyDeclarations2.ts, 24, 16))
 }
 
 var a: {
diff --git a/testdata/baselines/reference/submodule/conformance/numericIndexerConstrainsPropertyDeclarations2.symbols.diff b/testdata/baselines/reference/submodule/conformance/numericIndexerConstrainsPropertyDeclarations2.symbols.diff
deleted file mode 100644
index b2ca086893..0000000000
--- a/testdata/baselines/reference/submodule/conformance/numericIndexerConstrainsPropertyDeclarations2.symbols.diff
+++ /dev/null
@@ -1,36 +0,0 @@
---- old.numericIndexerConstrainsPropertyDeclarations2.symbols
-+++ new.numericIndexerConstrainsPropertyDeclarations2.symbols
-@@= skipped -33, +33 lines =@@
- >B : Symbol(B, Decl(numericIndexerConstrainsPropertyDeclarations2.ts, 4, 1))
-
-     "2.5": B // ok
-->"2.5" : Symbol(Foo["2.5"], Decl(numericIndexerConstrainsPropertyDeclarations2.ts, 13, 11))
-+>"2.5" : Symbol(Foo["25"], Decl(numericIndexerConstrainsPropertyDeclarations2.ts, 13, 11))
- >B : Symbol(B, Decl(numericIndexerConstrainsPropertyDeclarations2.ts, 4, 1))
-
-     3.0: number; // error
- >3.0 : Symbol(Foo[3.0], Decl(numericIndexerConstrainsPropertyDeclarations2.ts, 14, 12))
-
-     "4.0": string; // error
-->"4.0" : Symbol(Foo["4.0"], Decl(numericIndexerConstrainsPropertyDeclarations2.ts, 15, 16))
-+>"4.0" : Symbol(Foo["40"], Decl(numericIndexerConstrainsPropertyDeclarations2.ts, 15, 16))
- }
-
- interface Foo2 {
-@@= skipped -26, +26 lines =@@
- >B : Symbol(B, Decl(numericIndexerConstrainsPropertyDeclarations2.ts, 4, 1))
-
-     "2.5": B // ok
-->"2.5" : Symbol(Foo2["2.5"], Decl(numericIndexerConstrainsPropertyDeclarations2.ts, 22, 11))
-+>"2.5" : Symbol(Foo2["25"], Decl(numericIndexerConstrainsPropertyDeclarations2.ts, 22, 11))
- >B : Symbol(B, Decl(numericIndexerConstrainsPropertyDeclarations2.ts, 4, 1))
-
-     3.0: number; // error
- >3.0 : Symbol(Foo2[3.0], Decl(numericIndexerConstrainsPropertyDeclarations2.ts, 23, 12))
-
-     "4.0": string; // error
-->"4.0" : Symbol(Foo2["4.0"], Decl(numericIndexerConstrainsPropertyDeclarations2.ts, 24, 16))
-+>"4.0" : Symbol(Foo2["40"], Decl(numericIndexerConstrainsPropertyDeclarations2.ts, 24, 16))
- }
-
- var a: {
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/numericStringNamedPropertyEquivalence.symbols b/testdata/baselines/reference/submodule/conformance/numericStringNamedPropertyEquivalence.symbols
index 60e4508399..a6738c4279 100644
--- a/testdata/baselines/reference/submodule/conformance/numericStringNamedPropertyEquivalence.symbols
+++ b/testdata/baselines/reference/submodule/conformance/numericStringNamedPropertyEquivalence.symbols
@@ -10,7 +10,7 @@ class C {
 >"1" : Symbol(C["1"], Decl(numericStringNamedPropertyEquivalence.ts, 2, 9), Decl(numericStringNamedPropertyEquivalence.ts, 4, 18))
 
     "1.0": number; // not a duplicate
->"1.0" : Symbol(C["10"], Decl(numericStringNamedPropertyEquivalence.ts, 3, 16))
+>"1.0" : Symbol(C["1.0"], Decl(numericStringNamedPropertyEquivalence.ts, 3, 16))
 
     1.0: number;
 >1.0 : Symbol(C["1"], Decl(numericStringNamedPropertyEquivalence.ts, 2, 9), Decl(numericStringNamedPropertyEquivalence.ts, 4, 18))
@@ -23,7 +23,7 @@ interface I {
 >"1" : Symbol(I["1"], Decl(numericStringNamedPropertyEquivalence.ts, 8, 13), Decl(numericStringNamedPropertyEquivalence.ts, 10, 17))
 
     "1.": number; // not a duplicate
->"1." : Symbol(I["1"], Decl(numericStringNamedPropertyEquivalence.ts, 9, 16))
+>"1." : Symbol(I["1."], Decl(numericStringNamedPropertyEquivalence.ts, 9, 16))
 
     1: number;
 >1 : Symbol(I["1"], Decl(numericStringNamedPropertyEquivalence.ts, 8, 13), Decl(numericStringNamedPropertyEquivalence.ts, 10, 17))
diff --git a/testdata/baselines/reference/submodule/conformance/numericStringNamedPropertyEquivalence.symbols.diff b/testdata/baselines/reference/submodule/conformance/numericStringNamedPropertyEquivalence.symbols.diff
deleted file mode 100644
index 3c5ae65163..0000000000
--- a/testdata/baselines/reference/submodule/conformance/numericStringNamedPropertyEquivalence.symbols.diff
+++ /dev/null
@@ -1,20 +0,0 @@
---- old.numericStringNamedPropertyEquivalence.symbols
-+++ new.numericStringNamedPropertyEquivalence.symbols
-@@= skipped -9, +9 lines =@@
- >"1" : Symbol(C["1"], Decl(numericStringNamedPropertyEquivalence.ts, 2, 9), Decl(numericStringNamedPropertyEquivalence.ts, 4, 18))
-
-     "1.0": number; // not a duplicate
-->"1.0" : Symbol(C["1.0"], Decl(numericStringNamedPropertyEquivalence.ts, 3, 16))
-+>"1.0" : Symbol(C["10"], Decl(numericStringNamedPropertyEquivalence.ts, 3, 16))
-
-     1.0: number;
- >1.0 : Symbol(C["1"], Decl(numericStringNamedPropertyEquivalence.ts, 2, 9), Decl(numericStringNamedPropertyEquivalence.ts, 4, 18))
-@@= skipped -13, +13 lines =@@
- >"1" : Symbol(I["1"], Decl(numericStringNamedPropertyEquivalence.ts, 8, 13), Decl(numericStringNamedPropertyEquivalence.ts, 10, 17))
-
-     "1.": number; // not a duplicate
-->"1." : Symbol(I["1."], Decl(numericStringNamedPropertyEquivalence.ts, 9, 16))
-+>"1." : Symbol(I["1"], Decl(numericStringNamedPropertyEquivalence.ts, 9, 16))
-
-     1: number;
- >1 : Symbol(I["1"], Decl(numericStringNamedPropertyEquivalence.ts, 8, 13), Decl(numericStringNamedPropertyEquivalence.ts, 10, 17))
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/objectTypeWithStringNamedNumericProperty.symbols b/testdata/baselines/reference/submodule/conformance/objectTypeWithStringNamedNumericProperty.symbols
index 02cecf1289..96ddd841d0 100644
--- a/testdata/baselines/reference/submodule/conformance/objectTypeWithStringNamedNumericProperty.symbols
+++ b/testdata/baselines/reference/submodule/conformance/objectTypeWithStringNamedNumericProperty.symbols
@@ -9,27 +9,27 @@ class C {
 >C : Symbol(C, Decl(objectTypeWithStringNamedNumericProperty.ts, 0, 0))
 
     "0.1": void;
->"0.1" : Symbol(C["01"], Decl(objectTypeWithStringNamedNumericProperty.ts, 4, 9))
+>"0.1" : Symbol(C["0.1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 4, 9))
 
     ".1": Object;
->".1" : Symbol(C["1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 5, 16))
+>".1" : Symbol(C[".1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 5, 16))
 >Object : Symbol(Object, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
 
     "1": number;
 >"1" : Symbol(C["1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 6, 17))
 
     "1.": string;
->"1." : Symbol(C["1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 7, 16))
+>"1." : Symbol(C["1."], Decl(objectTypeWithStringNamedNumericProperty.ts, 7, 16))
 
     "1..": boolean;
->"1.." : Symbol(C["1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 8, 17))
+>"1.." : Symbol(C["1.."], Decl(objectTypeWithStringNamedNumericProperty.ts, 8, 17))
 
     "1.0": Date;
->"1.0" : Symbol(C["10"], Decl(objectTypeWithStringNamedNumericProperty.ts, 9, 19))
+>"1.0" : Symbol(C["1.0"], Decl(objectTypeWithStringNamedNumericProperty.ts, 9, 19))
 >Date : Symbol(Date, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.scripthost.d.ts, --, --))
 
     "-1.0": RegExp;
->"-1.0" : Symbol(C["-10"], Decl(objectTypeWithStringNamedNumericProperty.ts, 10, 16))
+>"-1.0" : Symbol(C["-1.0"], Decl(objectTypeWithStringNamedNumericProperty.ts, 10, 16))
 >RegExp : Symbol(RegExp, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
 
     "-1": Date;
@@ -44,12 +44,12 @@ var c: C;
 var r1 = c['0.1'];
 >r1 : Symbol(r1, Decl(objectTypeWithStringNamedNumericProperty.ts, 16, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 47, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 77, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 107, 3))
 >c : Symbol(c, Decl(objectTypeWithStringNamedNumericProperty.ts, 15, 3))
->'0.1' : Symbol(C["01"], Decl(objectTypeWithStringNamedNumericProperty.ts, 4, 9))
+>'0.1' : Symbol(C["0.1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 4, 9))
 
 var r2 = c['.1'];
 >r2 : Symbol(r2, Decl(objectTypeWithStringNamedNumericProperty.ts, 17, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 48, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 78, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 108, 3))
 >c : Symbol(c, Decl(objectTypeWithStringNamedNumericProperty.ts, 15, 3))
->'.1' : Symbol(C["1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 5, 16))
+>'.1' : Symbol(C[".1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 5, 16))
 
 var r3 = c['1'];
 >r3 : Symbol(r3, Decl(objectTypeWithStringNamedNumericProperty.ts, 18, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 19, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 21, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 24, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 49, 3) ... and 11 more)
@@ -64,7 +64,7 @@ var r3 = c[1];
 var r4 = c['1.'];
 >r4 : Symbol(r4, Decl(objectTypeWithStringNamedNumericProperty.ts, 20, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 51, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 81, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 111, 3))
 >c : Symbol(c, Decl(objectTypeWithStringNamedNumericProperty.ts, 15, 3))
->'1.' : Symbol(C["1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 7, 16))
+>'1.' : Symbol(C["1."], Decl(objectTypeWithStringNamedNumericProperty.ts, 7, 16))
 
 var r3 = c[1.]; // same as indexing by 1 when done numerically
 >r3 : Symbol(r3, Decl(objectTypeWithStringNamedNumericProperty.ts, 18, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 19, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 21, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 24, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 49, 3) ... and 11 more)
@@ -74,12 +74,12 @@ var r3 = c[1.]; // same as indexing by 1 when done numerically
 var r5 = c['1..'];
 >r5 : Symbol(r5, Decl(objectTypeWithStringNamedNumericProperty.ts, 22, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 53, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 83, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 113, 3))
 >c : Symbol(c, Decl(objectTypeWithStringNamedNumericProperty.ts, 15, 3))
->'1..' : Symbol(C["1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 8, 17))
+>'1..' : Symbol(C["1.."], Decl(objectTypeWithStringNamedNumericProperty.ts, 8, 17))
 
 var r6 = c['1.0'];
 >r6 : Symbol(r6, Decl(objectTypeWithStringNamedNumericProperty.ts, 23, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 54, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 84, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 114, 3))
 >c : Symbol(c, Decl(objectTypeWithStringNamedNumericProperty.ts, 15, 3))
->'1.0' : Symbol(C["10"], Decl(objectTypeWithStringNamedNumericProperty.ts, 9, 19))
+>'1.0' : Symbol(C["1.0"], Decl(objectTypeWithStringNamedNumericProperty.ts, 9, 19))
 
 var r3 = c[1.0]; // same as indexing by 1 when done numerically
 >r3 : Symbol(r3, Decl(objectTypeWithStringNamedNumericProperty.ts, 18, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 19, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 21, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 24, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 49, 3) ... and 11 more)
@@ -98,7 +98,7 @@ var r7 = i[-1.0];
 var r8 = i["-1.0"];
 >r8 : Symbol(r8, Decl(objectTypeWithStringNamedNumericProperty.ts, 28, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 59, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 89, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 119, 3))
 >i : Symbol(i, Decl(objectTypeWithStringNamedNumericProperty.ts, 46, 3))
->"-1.0" : Symbol(I["-10"], Decl(objectTypeWithStringNamedNumericProperty.ts, 41, 16))
+>"-1.0" : Symbol(I["-1.0"], Decl(objectTypeWithStringNamedNumericProperty.ts, 41, 16))
 
 var r9 = i["-1"];
 >r9 : Symbol(r9, Decl(objectTypeWithStringNamedNumericProperty.ts, 29, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 60, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 90, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 120, 3))
@@ -127,27 +127,27 @@ interface I {
 >I : Symbol(I, Decl(objectTypeWithStringNamedNumericProperty.ts, 33, 16))
 
     "0.1": void;
->"0.1" : Symbol(I["01"], Decl(objectTypeWithStringNamedNumericProperty.ts, 35, 13))
+>"0.1" : Symbol(I["0.1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 35, 13))
 
     ".1": Object;
->".1" : Symbol(I["1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 36, 16))
+>".1" : Symbol(I[".1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 36, 16))
 >Object : Symbol(Object, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
 
     "1": number;
 >"1" : Symbol(I["1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 37, 17))
 
     "1.": string;
->"1." : Symbol(I["1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 38, 16))
+>"1." : Symbol(I["1."], Decl(objectTypeWithStringNamedNumericProperty.ts, 38, 16))
 
     "1..": boolean;
->"1.." : Symbol(I["1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 39, 17))
+>"1.." : Symbol(I["1.."], Decl(objectTypeWithStringNamedNumericProperty.ts, 39, 17))
 
     "1.0": Date;
->"1.0" : Symbol(I["10"], Decl(objectTypeWithStringNamedNumericProperty.ts, 40, 19))
+>"1.0" : Symbol(I["1.0"], Decl(objectTypeWithStringNamedNumericProperty.ts, 40, 19))
 >Date : Symbol(Date, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.scripthost.d.ts, --, --))
 
     "-1.0": RegExp;
->"-1.0" : Symbol(I["-10"], Decl(objectTypeWithStringNamedNumericProperty.ts, 41, 16))
+>"-1.0" : Symbol(I["-1.0"], Decl(objectTypeWithStringNamedNumericProperty.ts, 41, 16))
 >RegExp : Symbol(RegExp, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
 
     "-1": Date;
@@ -162,12 +162,12 @@ var i: I;
 var r1 = i['0.1'];
 >r1 : Symbol(r1, Decl(objectTypeWithStringNamedNumericProperty.ts, 16, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 47, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 77, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 107, 3))
 >i : Symbol(i, Decl(objectTypeWithStringNamedNumericProperty.ts, 46, 3))
->'0.1' : Symbol(I["01"], Decl(objectTypeWithStringNamedNumericProperty.ts, 35, 13))
+>'0.1' : Symbol(I["0.1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 35, 13))
 
 var r2 = i['.1'];
 >r2 : Symbol(r2, Decl(objectTypeWithStringNamedNumericProperty.ts, 17, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 48, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 78, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 108, 3))
 >i : Symbol(i, Decl(objectTypeWithStringNamedNumericProperty.ts, 46, 3))
->'.1' : Symbol(I["1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 36, 16))
+>'.1' : Symbol(I[".1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 36, 16))
 
 var r3 = i['1'];
 >r3 : Symbol(r3, Decl(objectTypeWithStringNamedNumericProperty.ts, 18, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 19, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 21, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 24, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 49, 3) ... and 11 more)
@@ -182,7 +182,7 @@ var r3 = c[1];
 var r4 = i['1.'];
 >r4 : Symbol(r4, Decl(objectTypeWithStringNamedNumericProperty.ts, 20, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 51, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 81, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 111, 3))
 >i : Symbol(i, Decl(objectTypeWithStringNamedNumericProperty.ts, 46, 3))
->'1.' : Symbol(I["1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 38, 16))
+>'1.' : Symbol(I["1."], Decl(objectTypeWithStringNamedNumericProperty.ts, 38, 16))
 
 var r3 = c[1.]; // same as indexing by 1 when done numerically
 >r3 : Symbol(r3, Decl(objectTypeWithStringNamedNumericProperty.ts, 18, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 19, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 21, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 24, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 49, 3) ... and 11 more)
@@ -192,12 +192,12 @@ var r3 = c[1.]; // same as indexing by 1 when done numerically
 var r5 = i['1..'];
 >r5 : Symbol(r5, Decl(objectTypeWithStringNamedNumericProperty.ts, 22, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 53, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 83, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 113, 3))
 >i : Symbol(i, Decl(objectTypeWithStringNamedNumericProperty.ts, 46, 3))
->'1..' : Symbol(I["1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 39, 17))
+>'1..' : Symbol(I["1.."], Decl(objectTypeWithStringNamedNumericProperty.ts, 39, 17))
 
 var r6 = i['1.0'];
 >r6 : Symbol(r6, Decl(objectTypeWithStringNamedNumericProperty.ts, 23, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 54, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 84, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 114, 3))
 >i : Symbol(i, Decl(objectTypeWithStringNamedNumericProperty.ts, 46, 3))
->'1.0' : Symbol(I["10"], Decl(objectTypeWithStringNamedNumericProperty.ts, 40, 19))
+>'1.0' : Symbol(I["1.0"], Decl(objectTypeWithStringNamedNumericProperty.ts, 40, 19))
 
 var r3 = c[1.0]; // same as indexing by 1 when done numerically
 >r3 : Symbol(r3, Decl(objectTypeWithStringNamedNumericProperty.ts, 18, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 19, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 21, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 24, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 49, 3) ... and 11 more)
@@ -216,7 +216,7 @@ var r7 = i[-1.0];
 var r8 = i["-1.0"];
 >r8 : Symbol(r8, Decl(objectTypeWithStringNamedNumericProperty.ts, 28, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 59, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 89, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 119, 3))
 >i : Symbol(i, Decl(objectTypeWithStringNamedNumericProperty.ts, 46, 3))
->"-1.0" : Symbol(I["-10"], Decl(objectTypeWithStringNamedNumericProperty.ts, 41, 16))
+>"-1.0" : Symbol(I["-1.0"], Decl(objectTypeWithStringNamedNumericProperty.ts, 41, 16))
 
 var r9 = i["-1"];
 >r9 : Symbol(r9, Decl(objectTypeWithStringNamedNumericProperty.ts, 29, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 60, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 90, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 120, 3))
@@ -330,7 +330,7 @@ var r7 = i[-1.0];
 var r8 = i["-1.0"];
 >r8 : Symbol(r8, Decl(objectTypeWithStringNamedNumericProperty.ts, 28, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 59, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 89, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 119, 3))
 >i : Symbol(i, Decl(objectTypeWithStringNamedNumericProperty.ts, 46, 3))
->"-1.0" : Symbol(I["-10"], Decl(objectTypeWithStringNamedNumericProperty.ts, 41, 16))
+>"-1.0" : Symbol(I["-1.0"], Decl(objectTypeWithStringNamedNumericProperty.ts, 41, 16))
 
 var r9 = i["-1"];
 >r9 : Symbol(r9, Decl(objectTypeWithStringNamedNumericProperty.ts, 29, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 60, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 90, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 120, 3))
@@ -444,7 +444,7 @@ var r7 = i[-1.0];
 var r8 = i["-1.0"];
 >r8 : Symbol(r8, Decl(objectTypeWithStringNamedNumericProperty.ts, 28, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 59, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 89, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 119, 3))
 >i : Symbol(i, Decl(objectTypeWithStringNamedNumericProperty.ts, 46, 3))
->"-1.0" : Symbol(I["-10"], Decl(objectTypeWithStringNamedNumericProperty.ts, 41, 16))
+>"-1.0" : Symbol(I["-1.0"], Decl(objectTypeWithStringNamedNumericProperty.ts, 41, 16))
 
 var r9 = i["-1"];
 >r9 : Symbol(r9, Decl(objectTypeWithStringNamedNumericProperty.ts, 29, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 60, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 90, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 120, 3))
diff --git a/testdata/baselines/reference/submodule/conformance/objectTypeWithStringNamedNumericProperty.symbols.diff b/testdata/baselines/reference/submodule/conformance/objectTypeWithStringNamedNumericProperty.symbols.diff
deleted file mode 100644
index 813e8f04c5..0000000000
--- a/testdata/baselines/reference/submodule/conformance/objectTypeWithStringNamedNumericProperty.symbols.diff
+++ /dev/null
@@ -1,184 +0,0 @@
---- old.objectTypeWithStringNamedNumericProperty.symbols
-+++ new.objectTypeWithStringNamedNumericProperty.symbols
-@@= skipped -8, +8 lines =@@
- >C : Symbol(C, Decl(objectTypeWithStringNamedNumericProperty.ts, 0, 0))
-
-     "0.1": void;
-->"0.1" : Symbol(C["0.1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 4, 9))
-+>"0.1" : Symbol(C["01"], Decl(objectTypeWithStringNamedNumericProperty.ts, 4, 9))
-
-     ".1": Object;
-->".1" : Symbol(C[".1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 5, 16))
-+>".1" : Symbol(C["1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 5, 16))
- >Object : Symbol(Object, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
-
-     "1": number;
- >"1" : Symbol(C["1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 6, 17))
-
-     "1.": string;
-->"1." : Symbol(C["1."], Decl(objectTypeWithStringNamedNumericProperty.ts, 7, 16))
-+>"1." : Symbol(C["1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 7, 16))
-
-     "1..": boolean;
-->"1.." : Symbol(C["1.."], Decl(objectTypeWithStringNamedNumericProperty.ts, 8, 17))
-+>"1.." : Symbol(C["1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 8, 17))
-
-     "1.0": Date;
-->"1.0" : Symbol(C["1.0"], Decl(objectTypeWithStringNamedNumericProperty.ts, 9, 19))
-+>"1.0" : Symbol(C["10"], Decl(objectTypeWithStringNamedNumericProperty.ts, 9, 19))
- >Date : Symbol(Date, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.scripthost.d.ts, --, --))
-
-     "-1.0": RegExp;
-->"-1.0" : Symbol(C["-1.0"], Decl(objectTypeWithStringNamedNumericProperty.ts, 10, 16))
-+>"-1.0" : Symbol(C["-10"], Decl(objectTypeWithStringNamedNumericProperty.ts, 10, 16))
- >RegExp : Symbol(RegExp, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
-
-     "-1": Date;
-@@= skipped -35, +35 lines =@@
- var r1 = c['0.1'];
- >r1 : Symbol(r1, Decl(objectTypeWithStringNamedNumericProperty.ts, 16, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 47, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 77, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 107, 3))
- >c : Symbol(c, Decl(objectTypeWithStringNamedNumericProperty.ts, 15, 3))
-->'0.1' : Symbol(C["0.1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 4, 9))
-+>'0.1' : Symbol(C["01"], Decl(objectTypeWithStringNamedNumericProperty.ts, 4, 9))
-
- var r2 = c['.1'];
- >r2 : Symbol(r2, Decl(objectTypeWithStringNamedNumericProperty.ts, 17, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 48, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 78, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 108, 3))
- >c : Symbol(c, Decl(objectTypeWithStringNamedNumericProperty.ts, 15, 3))
-->'.1' : Symbol(C[".1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 5, 16))
-+>'.1' : Symbol(C["1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 5, 16))
-
- var r3 = c['1'];
- >r3 : Symbol(r3, Decl(objectTypeWithStringNamedNumericProperty.ts, 18, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 19, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 21, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 24, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 49, 3) ... and 11 more)
-@@= skipped -20, +20 lines =@@
- var r4 = c['1.'];
- >r4 : Symbol(r4, Decl(objectTypeWithStringNamedNumericProperty.ts, 20, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 51, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 81, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 111, 3))
- >c : Symbol(c, Decl(objectTypeWithStringNamedNumericProperty.ts, 15, 3))
-->'1.' : Symbol(C["1."], Decl(objectTypeWithStringNamedNumericProperty.ts, 7, 16))
-+>'1.' : Symbol(C["1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 7, 16))
-
- var r3 = c[1.]; // same as indexing by 1 when done numerically
- >r3 : Symbol(r3, Decl(objectTypeWithStringNamedNumericProperty.ts, 18, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 19, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 21, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 24, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 49, 3) ... and 11 more)
-@@= skipped -10, +10 lines =@@
- var r5 = c['1..'];
- >r5 : Symbol(r5, Decl(objectTypeWithStringNamedNumericProperty.ts, 22, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 53, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 83, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 113, 3))
- >c : Symbol(c, Decl(objectTypeWithStringNamedNumericProperty.ts, 15, 3))
-->'1..' : Symbol(C["1.."], Decl(objectTypeWithStringNamedNumericProperty.ts, 8, 17))
-+>'1..' : Symbol(C["1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 8, 17))
-
- var r6 = c['1.0'];
- >r6 : Symbol(r6, Decl(objectTypeWithStringNamedNumericProperty.ts, 23, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 54, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 84, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 114, 3))
- >c : Symbol(c, Decl(objectTypeWithStringNamedNumericProperty.ts, 15, 3))
-->'1.0' : Symbol(C["1.0"], Decl(objectTypeWithStringNamedNumericProperty.ts, 9, 19))
-+>'1.0' : Symbol(C["10"], Decl(objectTypeWithStringNamedNumericProperty.ts, 9, 19))
-
- var r3 = c[1.0]; // same as indexing by 1 when done numerically
- >r3 : Symbol(r3, Decl(objectTypeWithStringNamedNumericProperty.ts, 18, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 19, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 21, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 24, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 49, 3) ... and 11 more)
-@@= skipped -24, +24 lines =@@
- var r8 = i["-1.0"];
- >r8 : Symbol(r8, Decl(objectTypeWithStringNamedNumericProperty.ts, 28, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 59, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 89, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 119, 3))
- >i : Symbol(i, Decl(objectTypeWithStringNamedNumericProperty.ts, 46, 3))
-->"-1.0" : Symbol(I["-1.0"], Decl(objectTypeWithStringNamedNumericProperty.ts, 41, 16))
-+>"-1.0" : Symbol(I["-10"], Decl(objectTypeWithStringNamedNumericProperty.ts, 41, 16))
-
- var r9 = i["-1"];
- >r9 : Symbol(r9, Decl(objectTypeWithStringNamedNumericProperty.ts, 29, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 60, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 90, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 120, 3))
-@@= skipped -29, +29 lines =@@
- >I : Symbol(I, Decl(objectTypeWithStringNamedNumericProperty.ts, 33, 16))
-
-     "0.1": void;
-->"0.1" : Symbol(I["0.1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 35, 13))
-+>"0.1" : Symbol(I["01"], Decl(objectTypeWithStringNamedNumericProperty.ts, 35, 13))
-
-     ".1": Object;
-->".1" : Symbol(I[".1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 36, 16))
-+>".1" : Symbol(I["1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 36, 16))
- >Object : Symbol(Object, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
-
-     "1": number;
- >"1" : Symbol(I["1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 37, 17))
-
-     "1.": string;
-->"1." : Symbol(I["1."], Decl(objectTypeWithStringNamedNumericProperty.ts, 38, 16))
-+>"1." : Symbol(I["1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 38, 16))
-
-     "1..": boolean;
-->"1.." : Symbol(I["1.."], Decl(objectTypeWithStringNamedNumericProperty.ts, 39, 17))
-+>"1.." : Symbol(I["1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 39, 17))
-
-     "1.0": Date;
-->"1.0" : Symbol(I["1.0"], Decl(objectTypeWithStringNamedNumericProperty.ts, 40, 19))
-+>"1.0" : Symbol(I["10"], Decl(objectTypeWithStringNamedNumericProperty.ts, 40, 19))
- >Date : Symbol(Date, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.scripthost.d.ts, --, --))
-
-     "-1.0": RegExp;
-->"-1.0" : Symbol(I["-1.0"], Decl(objectTypeWithStringNamedNumericProperty.ts, 41, 16))
-+>"-1.0" : Symbol(I["-10"], Decl(objectTypeWithStringNamedNumericProperty.ts, 41, 16))
- >RegExp : Symbol(RegExp, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
-
-     "-1": Date;
-@@= skipped -35, +35 lines =@@
- var r1 = i['0.1'];
- >r1 : Symbol(r1, Decl(objectTypeWithStringNamedNumericProperty.ts, 16, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 47, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 77, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 107, 3))
- >i : Symbol(i, Decl(objectTypeWithStringNamedNumericProperty.ts, 46, 3))
-->'0.1' : Symbol(I["0.1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 35, 13))
-+>'0.1' : Symbol(I["01"], Decl(objectTypeWithStringNamedNumericProperty.ts, 35, 13))
-
- var r2 = i['.1'];
- >r2 : Symbol(r2, Decl(objectTypeWithStringNamedNumericProperty.ts, 17, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 48, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 78, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 108, 3))
- >i : Symbol(i, Decl(objectTypeWithStringNamedNumericProperty.ts, 46, 3))
-->'.1' : Symbol(I[".1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 36, 16))
-+>'.1' : Symbol(I["1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 36, 16))
-
- var r3 = i['1'];
- >r3 : Symbol(r3, Decl(objectTypeWithStringNamedNumericProperty.ts, 18, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 19, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 21, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 24, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 49, 3) ... and 11 more)
-@@= skipped -20, +20 lines =@@
- var r4 = i['1.'];
- >r4 : Symbol(r4, Decl(objectTypeWithStringNamedNumericProperty.ts, 20, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 51, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 81, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 111, 3))
- >i : Symbol(i, Decl(objectTypeWithStringNamedNumericProperty.ts, 46, 3))
-->'1.' : Symbol(I["1."], Decl(objectTypeWithStringNamedNumericProperty.ts, 38, 16))
-+>'1.' : Symbol(I["1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 38, 16))
-
- var r3 = c[1.]; // same as indexing by 1 when done numerically
- >r3 : Symbol(r3, Decl(objectTypeWithStringNamedNumericProperty.ts, 18, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 19, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 21, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 24, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 49, 3) ... and 11 more)
-@@= skipped -10, +10 lines =@@
- var r5 = i['1..'];
- >r5 : Symbol(r5, Decl(objectTypeWithStringNamedNumericProperty.ts, 22, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 53, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 83, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 113, 3))
- >i : Symbol(i, Decl(objectTypeWithStringNamedNumericProperty.ts, 46, 3))
-->'1..' : Symbol(I["1.."], Decl(objectTypeWithStringNamedNumericProperty.ts, 39, 17))
-+>'1..' : Symbol(I["1"], Decl(objectTypeWithStringNamedNumericProperty.ts, 39, 17))
-
- var r6 = i['1.0'];
- >r6 : Symbol(r6, Decl(objectTypeWithStringNamedNumericProperty.ts, 23, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 54, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 84, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 114, 3))
- >i : Symbol(i, Decl(objectTypeWithStringNamedNumericProperty.ts, 46, 3))
-->'1.0' : Symbol(I["1.0"], Decl(objectTypeWithStringNamedNumericProperty.ts, 40, 19))
-+>'1.0' : Symbol(I["10"], Decl(objectTypeWithStringNamedNumericProperty.ts, 40, 19))
-
- var r3 = c[1.0]; // same as indexing by 1 when done numerically
- >r3 : Symbol(r3, Decl(objectTypeWithStringNamedNumericProperty.ts, 18, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 19, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 21, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 24, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 49, 3) ... and 11 more)
-@@= skipped -24, +24 lines =@@
- var r8 = i["-1.0"];
- >r8 : Symbol(r8, Decl(objectTypeWithStringNamedNumericProperty.ts, 28, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 59, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 89, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 119, 3))
- >i : Symbol(i, Decl(objectTypeWithStringNamedNumericProperty.ts, 46, 3))
-->"-1.0" : Symbol(I["-1.0"], Decl(objectTypeWithStringNamedNumericProperty.ts, 41, 16))
-+>"-1.0" : Symbol(I["-10"], Decl(objectTypeWithStringNamedNumericProperty.ts, 41, 16))
-
- var r9 = i["-1"];
- >r9 : Symbol(r9, Decl(objectTypeWithStringNamedNumericProperty.ts, 29, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 60, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 90, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 120, 3))
-@@= skipped -114, +114 lines =@@
- var r8 = i["-1.0"];
- >r8 : Symbol(r8, Decl(objectTypeWithStringNamedNumericProperty.ts, 28, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 59, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 89, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 119, 3))
- >i : Symbol(i, Decl(objectTypeWithStringNamedNumericProperty.ts, 46, 3))
-->"-1.0" : Symbol(I["-1.0"], Decl(objectTypeWithStringNamedNumericProperty.ts, 41, 16))
-+>"-1.0" : Symbol(I["-10"], Decl(objectTypeWithStringNamedNumericProperty.ts, 41, 16))
-
- var r9 = i["-1"];
- >r9 : Symbol(r9, Decl(objectTypeWithStringNamedNumericProperty.ts, 29, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 60, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 90, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 120, 3))
-@@= skipped -114, +114 lines =@@
- var r8 = i["-1.0"];
- >r8 : Symbol(r8, Decl(objectTypeWithStringNamedNumericProperty.ts, 28, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 59, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 89, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 119, 3))
- >i : Symbol(i, Decl(objectTypeWithStringNamedNumericProperty.ts, 46, 3))
-->"-1.0" : Symbol(I["-1.0"], Decl(objectTypeWithStringNamedNumericProperty.ts, 41, 16))
-+>"-1.0" : Symbol(I["-10"], Decl(objectTypeWithStringNamedNumericProperty.ts, 41, 16))
-
- var r9 = i["-1"];
- >r9 : Symbol(r9, Decl(objectTypeWithStringNamedNumericProperty.ts, 29, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 60, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 90, 3), Decl(objectTypeWithStringNamedNumericProperty.ts, 120, 3))
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/objectTypeWithStringNamedPropertyOfIllegalCharacters.symbols b/testdata/baselines/reference/submodule/conformance/objectTypeWithStringNamedPropertyOfIllegalCharacters.symbols
index 4f8b53bab0..5d202948d7 100644
--- a/testdata/baselines/reference/submodule/conformance/objectTypeWithStringNamedPropertyOfIllegalCharacters.symbols
+++ b/testdata/baselines/reference/submodule/conformance/objectTypeWithStringNamedPropertyOfIllegalCharacters.symbols
@@ -11,10 +11,10 @@ class C {
 >"a   b" : Symbol(C["a   b"], Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 1, 18))
 
     "~!@#$%^&*()_+{}|:'<>?\/.,`": number;
->"~!@#$%^&*()_+{}|:'<>?\/.,`" : Symbol(C["~!@#$%^&*()_+{}|:'<>?\\/,`"], Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 2, 20))
+>"~!@#$%^&*()_+{}|:'<>?\/.,`" : Symbol(C["~!@#$%^&*()_+{}|:'<>?/.,`"], Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 2, 20))
 
     "a\a": number;
->"a\a" : Symbol(C["a\\a"], Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 3, 41))
+>"a\a" : Symbol(C["aa"], Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 3, 41))
 
     static "a ": number
 >"a " : Symbol(C["a "], Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 4, 18))
@@ -42,7 +42,7 @@ var r3 = c["a   b"];
 var r4 = c["~!@#$%^&*()_+{}|:'<>?\/.,`"];
 >r4 : Symbol(r4, Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 13, 3), Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 26, 3), Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 39, 3), Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 51, 3))
 >c : Symbol(c, Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 8, 3))
->"~!@#$%^&*()_+{}|:'<>?\/.,`" : Symbol(C["~!@#$%^&*()_+{}|:'<>?\\/,`"], Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 2, 20))
+>"~!@#$%^&*()_+{}|:'<>?\/.,`" : Symbol(C["~!@#$%^&*()_+{}|:'<>?/.,`"], Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 2, 20))
 
 interface I {
 >I : Symbol(I, Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 13, 41))
@@ -54,7 +54,7 @@ interface I {
 >"a   b" : Symbol(I["a   b"], Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 16, 18))
 
     "~!@#$%^&*()_+{}|:'<>?\/.,`": number;
->"~!@#$%^&*()_+{}|:'<>?\/.,`" : Symbol(I["~!@#$%^&*()_+{}|:'<>?\\/,`"], Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 17, 20))
+>"~!@#$%^&*()_+{}|:'<>?\/.,`" : Symbol(I["~!@#$%^&*()_+{}|:'<>?/.,`"], Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 17, 20))
 }
 
 var i: I;
@@ -79,7 +79,7 @@ var r3 = i["a   b"];
 var r4 = i["~!@#$%^&*()_+{}|:'<>?\/.,`"];
 >r4 : Symbol(r4, Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 13, 3), Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 26, 3), Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 39, 3), Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 51, 3))
 >i : Symbol(i, Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 21, 3))
->"~!@#$%^&*()_+{}|:'<>?\/.,`" : Symbol(I["~!@#$%^&*()_+{}|:'<>?\\/,`"], Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 17, 20))
+>"~!@#$%^&*()_+{}|:'<>?\/.,`" : Symbol(I["~!@#$%^&*()_+{}|:'<>?/.,`"], Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 17, 20))
 
 
 var a: {
diff --git a/testdata/baselines/reference/submodule/conformance/objectTypeWithStringNamedPropertyOfIllegalCharacters.symbols.diff b/testdata/baselines/reference/submodule/conformance/objectTypeWithStringNamedPropertyOfIllegalCharacters.symbols.diff
deleted file mode 100644
index c94e552a70..0000000000
--- a/testdata/baselines/reference/submodule/conformance/objectTypeWithStringNamedPropertyOfIllegalCharacters.symbols.diff
+++ /dev/null
@@ -1,42 +0,0 @@
---- old.objectTypeWithStringNamedPropertyOfIllegalCharacters.symbols
-+++ new.objectTypeWithStringNamedPropertyOfIllegalCharacters.symbols
-@@= skipped -10, +10 lines =@@
- >"a   b" : Symbol(C["a   b"], Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 1, 18))
-
-     "~!@#$%^&*()_+{}|:'<>?\/.,`": number;
-->"~!@#$%^&*()_+{}|:'<>?\/.,`" : Symbol(C["~!@#$%^&*()_+{}|:'<>?/.,`"], Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 2, 20))
-+>"~!@#$%^&*()_+{}|:'<>?\/.,`" : Symbol(C["~!@#$%^&*()_+{}|:'<>?\\/,`"], Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 2, 20))
-
-     "a\a": number;
-->"a\a" : Symbol(C["aa"], Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 3, 41))
-+>"a\a" : Symbol(C["a\\a"], Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 3, 41))
-
-     static "a ": number
- >"a " : Symbol(C["a "], Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 4, 18))
-@@= skipped -31, +31 lines =@@
- var r4 = c["~!@#$%^&*()_+{}|:'<>?\/.,`"];
- >r4 : Symbol(r4, Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 13, 3), Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 26, 3), Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 39, 3), Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 51, 3))
- >c : Symbol(c, Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 8, 3))
-->"~!@#$%^&*()_+{}|:'<>?\/.,`" : Symbol(C["~!@#$%^&*()_+{}|:'<>?/.,`"], Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 2, 20))
-+>"~!@#$%^&*()_+{}|:'<>?\/.,`" : Symbol(C["~!@#$%^&*()_+{}|:'<>?\\/,`"], Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 2, 20))
-
- interface I {
- >I : Symbol(I, Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 13, 41))
-@@= skipped -12, +12 lines =@@
- >"a   b" : Symbol(I["a   b"], Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 16, 18))
-
-     "~!@#$%^&*()_+{}|:'<>?\/.,`": number;
-->"~!@#$%^&*()_+{}|:'<>?\/.,`" : Symbol(I["~!@#$%^&*()_+{}|:'<>?/.,`"], Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 17, 20))
-+>"~!@#$%^&*()_+{}|:'<>?\/.,`" : Symbol(I["~!@#$%^&*()_+{}|:'<>?\\/,`"], Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 17, 20))
- }
-
- var i: I;
-@@= skipped -25, +25 lines =@@
- var r4 = i["~!@#$%^&*()_+{}|:'<>?\/.,`"];
- >r4 : Symbol(r4, Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 13, 3), Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 26, 3), Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 39, 3), Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 51, 3))
- >i : Symbol(i, Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 21, 3))
-->"~!@#$%^&*()_+{}|:'<>?\/.,`" : Symbol(I["~!@#$%^&*()_+{}|:'<>?/.,`"], Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 17, 20))
-+>"~!@#$%^&*()_+{}|:'<>?\/.,`" : Symbol(I["~!@#$%^&*()_+{}|:'<>?\\/,`"], Decl(objectTypeWithStringNamedPropertyOfIllegalCharacters.ts, 17, 20))
-
-
- var a: {
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/stringIndexerConstrainsPropertyDeclarations.symbols b/testdata/baselines/reference/submodule/conformance/stringIndexerConstrainsPropertyDeclarations.symbols
index 10f0526116..ab9c548730 100644
--- a/testdata/baselines/reference/submodule/conformance/stringIndexerConstrainsPropertyDeclarations.symbols
+++ b/testdata/baselines/reference/submodule/conformance/stringIndexerConstrainsPropertyDeclarations.symbols
@@ -41,10 +41,10 @@ class C {
 >2.0 : Symbol(C[2.0], Decl(stringIndexerConstrainsPropertyDeclarations.ts, 16, 16))
 
     "3.0": string; // ok
->"3.0" : Symbol(C["30"], Decl(stringIndexerConstrainsPropertyDeclarations.ts, 17, 16))
+>"3.0" : Symbol(C["3.0"], Decl(stringIndexerConstrainsPropertyDeclarations.ts, 17, 16))
 
     "4.0": number; // error
->"4.0" : Symbol(C["40"], Decl(stringIndexerConstrainsPropertyDeclarations.ts, 18, 18))
+>"4.0" : Symbol(C["4.0"], Decl(stringIndexerConstrainsPropertyDeclarations.ts, 18, 18))
 
     f: MyString; // error
 >f : Symbol(C.f, Decl(stringIndexerConstrainsPropertyDeclarations.ts, 19, 18))
@@ -116,10 +116,10 @@ interface I {
 >foo : Symbol(I.foo, Decl(stringIndexerConstrainsPropertyDeclarations.ts, 51, 15))
 
     "3.0": string; // ok
->"3.0" : Symbol(I["30"], Decl(stringIndexerConstrainsPropertyDeclarations.ts, 52, 18))
+>"3.0" : Symbol(I["3.0"], Decl(stringIndexerConstrainsPropertyDeclarations.ts, 52, 18))
 
     "4.0": number; // error
->"4.0" : Symbol(I["40"], Decl(stringIndexerConstrainsPropertyDeclarations.ts, 53, 18))
+>"4.0" : Symbol(I["4.0"], Decl(stringIndexerConstrainsPropertyDeclarations.ts, 53, 18))
 
     f: MyString; // error
 >f : Symbol(I.f, Decl(stringIndexerConstrainsPropertyDeclarations.ts, 54, 18))
diff --git a/testdata/baselines/reference/submodule/conformance/stringIndexerConstrainsPropertyDeclarations.symbols.diff b/testdata/baselines/reference/submodule/conformance/stringIndexerConstrainsPropertyDeclarations.symbols.diff
deleted file mode 100644
index 04832c7950..0000000000
--- a/testdata/baselines/reference/submodule/conformance/stringIndexerConstrainsPropertyDeclarations.symbols.diff
+++ /dev/null
@@ -1,28 +0,0 @@
---- old.stringIndexerConstrainsPropertyDeclarations.symbols
-+++ new.stringIndexerConstrainsPropertyDeclarations.symbols
-@@= skipped -40, +40 lines =@@
- >2.0 : Symbol(C[2.0], Decl(stringIndexerConstrainsPropertyDeclarations.ts, 16, 16))
-
-     "3.0": string; // ok
-->"3.0" : Symbol(C["3.0"], Decl(stringIndexerConstrainsPropertyDeclarations.ts, 17, 16))
-+>"3.0" : Symbol(C["30"], Decl(stringIndexerConstrainsPropertyDeclarations.ts, 17, 16))
-
-     "4.0": number; // error
-->"4.0" : Symbol(C["4.0"], Decl(stringIndexerConstrainsPropertyDeclarations.ts, 18, 18))
-+>"4.0" : Symbol(C["40"], Decl(stringIndexerConstrainsPropertyDeclarations.ts, 18, 18))
-
-     f: MyString; // error
- >f : Symbol(C.f, Decl(stringIndexerConstrainsPropertyDeclarations.ts, 19, 18))
-@@= skipped -75, +75 lines =@@
- >foo : Symbol(I.foo, Decl(stringIndexerConstrainsPropertyDeclarations.ts, 51, 15))
-
-     "3.0": string; // ok
-->"3.0" : Symbol(I["3.0"], Decl(stringIndexerConstrainsPropertyDeclarations.ts, 52, 18))
-+>"3.0" : Symbol(I["30"], Decl(stringIndexerConstrainsPropertyDeclarations.ts, 52, 18))
-
-     "4.0": number; // error
-->"4.0" : Symbol(I["4.0"], Decl(stringIndexerConstrainsPropertyDeclarations.ts, 53, 18))
-+>"4.0" : Symbol(I["40"], Decl(stringIndexerConstrainsPropertyDeclarations.ts, 53, 18))
-
-     f: MyString; // error
- >f : Symbol(I.f, Decl(stringIndexerConstrainsPropertyDeclarations.ts, 54, 18))
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembers.symbols b/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembers.symbols
index 6ad354550a..28fdc0f376 100644
--- a/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembers.symbols
+++ b/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembers.symbols
@@ -73,7 +73,7 @@ class A3 {
 >Base : Symbol(Base, Decl(subtypingWithObjectMembers.ts, 0, 0))
 
     '2.0': Base;
->'2.0' : Symbol(A3["20"], Decl(subtypingWithObjectMembers.ts, 27, 14))
+>'2.0' : Symbol(A3["2.0"], Decl(subtypingWithObjectMembers.ts, 27, 14))
 >Base : Symbol(Base, Decl(subtypingWithObjectMembers.ts, 0, 0))
 }
 
@@ -86,7 +86,7 @@ class B3 extends A3 {
 >Derived : Symbol(Derived, Decl(subtypingWithObjectMembers.ts, 0, 27))
 
     '2.0': string; // error
->'2.0' : Symbol(B3["20"], Decl(subtypingWithObjectMembers.ts, 32, 17))
+>'2.0' : Symbol(B3["2.0"], Decl(subtypingWithObjectMembers.ts, 32, 17))
 }
 
 module TwoLevels {
@@ -148,7 +148,7 @@ module TwoLevels {
 >Base : Symbol(Base, Decl(subtypingWithObjectMembers.ts, 0, 0))
 
         '2.0': Base;
->'2.0' : Symbol(A3["20"], Decl(subtypingWithObjectMembers.ts, 58, 18))
+>'2.0' : Symbol(A3["2.0"], Decl(subtypingWithObjectMembers.ts, 58, 18))
 >Base : Symbol(Base, Decl(subtypingWithObjectMembers.ts, 0, 0))
     }
 
@@ -161,6 +161,6 @@ module TwoLevels {
 >Derived2 : Symbol(Derived2, Decl(subtypingWithObjectMembers.ts, 1, 43))
 
         '2.0': string; // error
->'2.0' : Symbol(B3["20"], Decl(subtypingWithObjectMembers.ts, 63, 22))
+>'2.0' : Symbol(B3["2.0"], Decl(subtypingWithObjectMembers.ts, 63, 22))
     }
 }
diff --git a/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembers.symbols.diff b/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembers.symbols.diff
index 28215cd527..3b78ad3e9e 100644
--- a/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembers.symbols.diff
+++ b/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembers.symbols.diff
@@ -10,7 +10,7 @@
 
      '2.0': Base;
 ->'2.0' : Symbol(A3['2.0'], Decl(subtypingWithObjectMembers.ts, 27, 14))
-+>'2.0' : Symbol(A3["20"], Decl(subtypingWithObjectMembers.ts, 27, 14))
++>'2.0' : Symbol(A3["2.0"], Decl(subtypingWithObjectMembers.ts, 27, 14))
  >Base : Symbol(Base, Decl(subtypingWithObjectMembers.ts, 0, 0))
  }
 
@@ -24,7 +24,7 @@
 
      '2.0': string; // error
 ->'2.0' : Symbol(B3['2.0'], Decl(subtypingWithObjectMembers.ts, 32, 17))
-+>'2.0' : Symbol(B3["20"], Decl(subtypingWithObjectMembers.ts, 32, 17))
++>'2.0' : Symbol(B3["2.0"], Decl(subtypingWithObjectMembers.ts, 32, 17))
  }
 
  module TwoLevels {
@@ -38,7 +38,7 @@
 
          '2.0': Base;
 ->'2.0' : Symbol(A3['2.0'], Decl(subtypingWithObjectMembers.ts, 58, 18))
-+>'2.0' : Symbol(A3["20"], Decl(subtypingWithObjectMembers.ts, 58, 18))
++>'2.0' : Symbol(A3["2.0"], Decl(subtypingWithObjectMembers.ts, 58, 18))
  >Base : Symbol(Base, Decl(subtypingWithObjectMembers.ts, 0, 0))
      }
 
@@ -52,6 +52,6 @@
 
          '2.0': string; // error
 ->'2.0' : Symbol(B3['2.0'], Decl(subtypingWithObjectMembers.ts, 63, 22))
-+>'2.0' : Symbol(B3["20"], Decl(subtypingWithObjectMembers.ts, 63, 22))
++>'2.0' : Symbol(B3["2.0"], Decl(subtypingWithObjectMembers.ts, 63, 22))
      }
  }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembers2.symbols b/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembers2.symbols
index 62bb13f86a..e7f948286a 100644
--- a/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembers2.symbols
+++ b/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembers2.symbols
@@ -77,7 +77,7 @@ module NotOptional {
 >Base : Symbol(Base, Decl(subtypingWithObjectMembers2.ts, 0, 0))
 
         '2.0': Base;
->'2.0' : Symbol(A3["20"], Decl(subtypingWithObjectMembers2.ts, 32, 18))
+>'2.0' : Symbol(A3["2.0"], Decl(subtypingWithObjectMembers2.ts, 32, 18))
 >Base : Symbol(Base, Decl(subtypingWithObjectMembers2.ts, 0, 0))
     }
 
@@ -90,7 +90,7 @@ module NotOptional {
 >Derived : Symbol(Derived, Decl(subtypingWithObjectMembers2.ts, 2, 1))
 
         '2.0': string; // error
->'2.0' : Symbol(B3["20"], Decl(subtypingWithObjectMembers2.ts, 37, 21))
+>'2.0' : Symbol(B3["2.0"], Decl(subtypingWithObjectMembers2.ts, 37, 21))
     }
 }
 
@@ -154,7 +154,7 @@ module Optional {
 >Base : Symbol(Base, Decl(subtypingWithObjectMembers2.ts, 0, 0))
 
         '2.0'?: Base;
->'2.0' : Symbol(A3["20"], Decl(subtypingWithObjectMembers2.ts, 65, 19))
+>'2.0' : Symbol(A3["2.0"], Decl(subtypingWithObjectMembers2.ts, 65, 19))
 >Base : Symbol(Base, Decl(subtypingWithObjectMembers2.ts, 0, 0))
     }
 
@@ -167,6 +167,6 @@ module Optional {
 >Derived : Symbol(Derived, Decl(subtypingWithObjectMembers2.ts, 2, 1))
 
         '2.0'?: string; // error
->'2.0' : Symbol(B3["20"], Decl(subtypingWithObjectMembers2.ts, 70, 22))
+>'2.0' : Symbol(B3["2.0"], Decl(subtypingWithObjectMembers2.ts, 70, 22))
     }
 }
diff --git a/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembers2.symbols.diff b/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembers2.symbols.diff
index 46d2d03e6d..2a034c2562 100644
--- a/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembers2.symbols.diff
+++ b/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembers2.symbols.diff
@@ -10,7 +10,7 @@
 
          '2.0': Base;
 ->'2.0' : Symbol(A3['2.0'], Decl(subtypingWithObjectMembers2.ts, 32, 18))
-+>'2.0' : Symbol(A3["20"], Decl(subtypingWithObjectMembers2.ts, 32, 18))
++>'2.0' : Symbol(A3["2.0"], Decl(subtypingWithObjectMembers2.ts, 32, 18))
  >Base : Symbol(Base, Decl(subtypingWithObjectMembers2.ts, 0, 0))
      }
 
@@ -24,7 +24,7 @@
 
          '2.0': string; // error
 ->'2.0' : Symbol(B3['2.0'], Decl(subtypingWithObjectMembers2.ts, 37, 21))
-+>'2.0' : Symbol(B3["20"], Decl(subtypingWithObjectMembers2.ts, 37, 21))
++>'2.0' : Symbol(B3["2.0"], Decl(subtypingWithObjectMembers2.ts, 37, 21))
      }
  }
 
@@ -38,7 +38,7 @@
 
          '2.0'?: Base;
 ->'2.0' : Symbol(A3['2.0'], Decl(subtypingWithObjectMembers2.ts, 65, 19))
-+>'2.0' : Symbol(A3["20"], Decl(subtypingWithObjectMembers2.ts, 65, 19))
++>'2.0' : Symbol(A3["2.0"], Decl(subtypingWithObjectMembers2.ts, 65, 19))
  >Base : Symbol(Base, Decl(subtypingWithObjectMembers2.ts, 0, 0))
      }
 
@@ -52,6 +52,6 @@
 
          '2.0'?: string; // error
 ->'2.0' : Symbol(B3['2.0'], Decl(subtypingWithObjectMembers2.ts, 70, 22))
-+>'2.0' : Symbol(B3["20"], Decl(subtypingWithObjectMembers2.ts, 70, 22))
++>'2.0' : Symbol(B3["2.0"], Decl(subtypingWithObjectMembers2.ts, 70, 22))
      }
  }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembers3.symbols b/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembers3.symbols
index 9189927141..d904e324ee 100644
--- a/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembers3.symbols
+++ b/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembers3.symbols
@@ -79,7 +79,7 @@ module NotOptional {
 >Base : Symbol(Base, Decl(subtypingWithObjectMembers3.ts, 0, 0))
 
         '2.0': Derived;
->'2.0' : Symbol(A3["20"], Decl(subtypingWithObjectMembers3.ts, 32, 18))
+>'2.0' : Symbol(A3["2.0"], Decl(subtypingWithObjectMembers3.ts, 32, 18))
 >Derived : Symbol(Derived, Decl(subtypingWithObjectMembers3.ts, 2, 1))
     }
 
@@ -92,7 +92,7 @@ module NotOptional {
 >Derived : Symbol(Derived, Decl(subtypingWithObjectMembers3.ts, 2, 1))
 
         '2.0': Base; // error
->'2.0' : Symbol(B3["20"], Decl(subtypingWithObjectMembers3.ts, 37, 21))
+>'2.0' : Symbol(B3["2.0"], Decl(subtypingWithObjectMembers3.ts, 37, 21))
 >Base : Symbol(Base, Decl(subtypingWithObjectMembers3.ts, 0, 0))
     }
 }
@@ -158,7 +158,7 @@ module Optional {
 >Base : Symbol(Base, Decl(subtypingWithObjectMembers3.ts, 0, 0))
 
         '2.0'?: Derived;
->'2.0' : Symbol(A3["20"], Decl(subtypingWithObjectMembers3.ts, 64, 19))
+>'2.0' : Symbol(A3["2.0"], Decl(subtypingWithObjectMembers3.ts, 64, 19))
 >Derived : Symbol(Derived, Decl(subtypingWithObjectMembers3.ts, 2, 1))
     }
 
@@ -171,7 +171,7 @@ module Optional {
 >Derived : Symbol(Derived, Decl(subtypingWithObjectMembers3.ts, 2, 1))
 
         '2.0'?: Base; // error
->'2.0' : Symbol(B3["20"], Decl(subtypingWithObjectMembers3.ts, 69, 22))
+>'2.0' : Symbol(B3["2.0"], Decl(subtypingWithObjectMembers3.ts, 69, 22))
 >Base : Symbol(Base, Decl(subtypingWithObjectMembers3.ts, 0, 0))
     }
 }
diff --git a/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembers3.symbols.diff b/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembers3.symbols.diff
index f0d55a8958..b13b31653f 100644
--- a/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembers3.symbols.diff
+++ b/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembers3.symbols.diff
@@ -10,7 +10,7 @@
 
          '2.0': Derived;
 ->'2.0' : Symbol(A3['2.0'], Decl(subtypingWithObjectMembers3.ts, 32, 18))
-+>'2.0' : Symbol(A3["20"], Decl(subtypingWithObjectMembers3.ts, 32, 18))
++>'2.0' : Symbol(A3["2.0"], Decl(subtypingWithObjectMembers3.ts, 32, 18))
  >Derived : Symbol(Derived, Decl(subtypingWithObjectMembers3.ts, 2, 1))
      }
 
@@ -24,7 +24,7 @@
 
          '2.0': Base; // error
 ->'2.0' : Symbol(B3['2.0'], Decl(subtypingWithObjectMembers3.ts, 37, 21))
-+>'2.0' : Symbol(B3["20"], Decl(subtypingWithObjectMembers3.ts, 37, 21))
++>'2.0' : Symbol(B3["2.0"], Decl(subtypingWithObjectMembers3.ts, 37, 21))
  >Base : Symbol(Base, Decl(subtypingWithObjectMembers3.ts, 0, 0))
      }
  }
@@ -38,7 +38,7 @@
 
          '2.0'?: Derived;
 ->'2.0' : Symbol(A3['2.0'], Decl(subtypingWithObjectMembers3.ts, 64, 19))
-+>'2.0' : Symbol(A3["20"], Decl(subtypingWithObjectMembers3.ts, 64, 19))
++>'2.0' : Symbol(A3["2.0"], Decl(subtypingWithObjectMembers3.ts, 64, 19))
  >Derived : Symbol(Derived, Decl(subtypingWithObjectMembers3.ts, 2, 1))
      }
 
@@ -52,7 +52,7 @@
 
          '2.0'?: Base; // error
 ->'2.0' : Symbol(B3['2.0'], Decl(subtypingWithObjectMembers3.ts, 69, 22))
-+>'2.0' : Symbol(B3["20"], Decl(subtypingWithObjectMembers3.ts, 69, 22))
++>'2.0' : Symbol(B3["2.0"], Decl(subtypingWithObjectMembers3.ts, 69, 22))
  >Base : Symbol(Base, Decl(subtypingWithObjectMembers3.ts, 0, 0))
      }
  }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembers4.symbols b/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembers4.symbols
index f896eeb1d9..8885fa54b1 100644
--- a/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembers4.symbols
+++ b/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembers4.symbols
@@ -65,6 +65,6 @@ class B3 extends A3 {
 >A3 : Symbol(A3, Decl(subtypingWithObjectMembers4.ts, 24, 1))
 
     '1.1': Derived; // ok, inherits '1'
->'1.1' : Symbol(B3["11"], Decl(subtypingWithObjectMembers4.ts, 30, 21))
+>'1.1' : Symbol(B3["1.1"], Decl(subtypingWithObjectMembers4.ts, 30, 21))
 >Derived : Symbol(Derived, Decl(subtypingWithObjectMembers4.ts, 4, 1))
 }
diff --git a/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembers4.symbols.diff b/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembers4.symbols.diff
index a40acb8840..b657885908 100644
--- a/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembers4.symbols.diff
+++ b/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembers4.symbols.diff
@@ -14,6 +14,6 @@
 
      '1.1': Derived; // ok, inherits '1'
 ->'1.1' : Symbol(B3['1.1'], Decl(subtypingWithObjectMembers4.ts, 30, 21))
-+>'1.1' : Symbol(B3["11"], Decl(subtypingWithObjectMembers4.ts, 30, 21))
++>'1.1' : Symbol(B3["1.1"], Decl(subtypingWithObjectMembers4.ts, 30, 21))
  >Derived : Symbol(Derived, Decl(subtypingWithObjectMembers4.ts, 4, 1))
  }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembers5.symbols b/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembers5.symbols
index e05eec4fe6..148d6f801d 100644
--- a/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembers5.symbols
+++ b/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembers5.symbols
@@ -68,7 +68,7 @@ module NotOptional {
 >A3 : Symbol(A3, Decl(subtypingWithObjectMembers5.ts, 25, 5))
 
         '1.0': Derived; // error
->'1.0' : Symbol(B3["10"], Decl(subtypingWithObjectMembers5.ts, 31, 28))
+>'1.0' : Symbol(B3["1.0"], Decl(subtypingWithObjectMembers5.ts, 31, 28))
 >Derived : Symbol(Derived, Decl(subtypingWithObjectMembers5.ts, 2, 1))
     }
 }
@@ -124,7 +124,7 @@ module Optional {
 >A3 : Symbol(A3, Decl(subtypingWithObjectMembers5.ts, 52, 5))
 
         '1.0': Derived; // weak type error
->'1.0' : Symbol(B3["10"], Decl(subtypingWithObjectMembers5.ts, 58, 28))
+>'1.0' : Symbol(B3["1.0"], Decl(subtypingWithObjectMembers5.ts, 58, 28))
 >Derived : Symbol(Derived, Decl(subtypingWithObjectMembers5.ts, 2, 1))
     }
 }
diff --git a/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembers5.symbols.diff b/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembers5.symbols.diff
index a68ce4c689..2971c4c5a8 100644
--- a/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembers5.symbols.diff
+++ b/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembers5.symbols.diff
@@ -14,7 +14,7 @@
 
          '1.0': Derived; // error
 ->'1.0' : Symbol(B3['1.0'], Decl(subtypingWithObjectMembers5.ts, 31, 28))
-+>'1.0' : Symbol(B3["10"], Decl(subtypingWithObjectMembers5.ts, 31, 28))
++>'1.0' : Symbol(B3["1.0"], Decl(subtypingWithObjectMembers5.ts, 31, 28))
  >Derived : Symbol(Derived, Decl(subtypingWithObjectMembers5.ts, 2, 1))
      }
  }
@@ -32,7 +32,7 @@
 
          '1.0': Derived; // weak type error
 ->'1.0' : Symbol(B3['1.0'], Decl(subtypingWithObjectMembers5.ts, 58, 28))
-+>'1.0' : Symbol(B3["10"], Decl(subtypingWithObjectMembers5.ts, 58, 28))
++>'1.0' : Symbol(B3["1.0"], Decl(subtypingWithObjectMembers5.ts, 58, 28))
  >Derived : Symbol(Derived, Decl(subtypingWithObjectMembers5.ts, 2, 1))
      }
  }
\ No newline at end of file
diff --git a/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembersOptionality.symbols b/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembersOptionality.symbols
index 07d403d5a2..7965ba2f5c 100644
--- a/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembersOptionality.symbols
+++ b/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembersOptionality.symbols
@@ -72,7 +72,7 @@ interface S3 extends T3 {
 >T3 : Symbol(T3, Decl(subtypingWithObjectMembersOptionality.ts, 28, 1))
 
     '1.': Derived;
->'1.' : Symbol(S3["1"], Decl(subtypingWithObjectMembersOptionality.ts, 34, 25))
+>'1.' : Symbol(S3["1."], Decl(subtypingWithObjectMembersOptionality.ts, 34, 25))
 >Derived : Symbol(Derived, Decl(subtypingWithObjectMembersOptionality.ts, 2, 31))
 }
 
@@ -142,7 +142,7 @@ module TwoLevels {
 >T3 : Symbol(T3, Decl(subtypingWithObjectMembersOptionality.ts, 58, 5))
 
         '1.': Derived2;
->'1.' : Symbol(S3["1"], Decl(subtypingWithObjectMembersOptionality.ts, 64, 29))
+>'1.' : Symbol(S3["1."], Decl(subtypingWithObjectMembersOptionality.ts, 64, 29))
 >Derived2 : Symbol(Derived2, Decl(subtypingWithObjectMembersOptionality.ts, 3, 47))
     }
 
diff --git a/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembersOptionality.symbols.diff b/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembersOptionality.symbols.diff
index 1d851c41b9..2c9c6c6400 100644
--- a/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembersOptionality.symbols.diff
+++ b/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembersOptionality.symbols.diff
@@ -14,7 +14,7 @@
 
      '1.': Derived;
 ->'1.' : Symbol(S3['1.'], Decl(subtypingWithObjectMembersOptionality.ts, 34, 25))
-+>'1.' : Symbol(S3["1"], Decl(subtypingWithObjectMembersOptionality.ts, 34, 25))
++>'1.' : Symbol(S3["1."], Decl(subtypingWithObjectMembersOptionality.ts, 34, 25))
  >Derived : Symbol(Derived, Decl(subtypingWithObjectMembersOptionality.ts, 2, 31))
  }
 
@@ -32,6 +32,6 @@
 
          '1.': Derived2;
 ->'1.' : Symbol(S3['1.'], Decl(subtypingWithObjectMembersOptionality.ts, 64, 29))
-+>'1.' : Symbol(S3["1"], Decl(subtypingWithObjectMembersOptionality.ts, 64, 29))
++>'1.' : Symbol(S3["1."], Decl(subtypingWithObjectMembersOptionality.ts, 64, 29))
  >Derived2 : Symbol(Derived2, Decl(subtypingWithObjectMembersOptionality.ts, 3, 47))
      }
diff --git a/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembersOptionality3.symbols b/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembersOptionality3.symbols
index 63b12b618d..b2a86155d4 100644
--- a/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembersOptionality3.symbols
+++ b/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembersOptionality3.symbols
@@ -59,7 +59,7 @@ interface S3 extends T3 {
 >T3 : Symbol(T3, Decl(subtypingWithObjectMembersOptionality3.ts, 19, 1))
 
     '1.0': Derived; // ok
->'1.0' : Symbol(S3["10"], Decl(subtypingWithObjectMembersOptionality3.ts, 25, 25))
+>'1.0' : Symbol(S3["1.0"], Decl(subtypingWithObjectMembersOptionality3.ts, 25, 25))
 >Derived : Symbol(Derived, Decl(subtypingWithObjectMembersOptionality3.ts, 2, 31))
 }
 
diff --git a/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembersOptionality3.symbols.diff b/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembersOptionality3.symbols.diff
index c9d1e12976..3baccee933 100644
--- a/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembersOptionality3.symbols.diff
+++ b/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembersOptionality3.symbols.diff
@@ -14,6 +14,6 @@
 
      '1.0': Derived; // ok
 ->'1.0' : Symbol(S3['1.0'], Decl(subtypingWithObjectMembersOptionality3.ts, 25, 25))
-+>'1.0' : Symbol(S3["10"], Decl(subtypingWithObjectMembersOptionality3.ts, 25, 25))
++>'1.0' : Symbol(S3["1.0"], Decl(subtypingWithObjectMembersOptionality3.ts, 25, 25))
  >Derived : Symbol(Derived, Decl(subtypingWithObjectMembersOptionality3.ts, 2, 31))
  }
diff --git a/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembersOptionality4.symbols b/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembersOptionality4.symbols
index 87fc115ab6..3d9219f9a4 100644
--- a/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembersOptionality4.symbols
+++ b/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembersOptionality4.symbols
@@ -59,7 +59,7 @@ interface S3 extends T3 {
 >T3 : Symbol(T3, Decl(subtypingWithObjectMembersOptionality4.ts, 19, 1))
 
     '1.0'?: Derived; // ok
->'1.0' : Symbol(S3["10"], Decl(subtypingWithObjectMembersOptionality4.ts, 25, 25))
+>'1.0' : Symbol(S3["1.0"], Decl(subtypingWithObjectMembersOptionality4.ts, 25, 25))
 >Derived : Symbol(Derived, Decl(subtypingWithObjectMembersOptionality4.ts, 2, 31))
 }
 
diff --git a/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembersOptionality4.symbols.diff b/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembersOptionality4.symbols.diff
index 8c1261ba65..574ac7625a 100644
--- a/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembersOptionality4.symbols.diff
+++ b/testdata/baselines/reference/submodule/conformance/subtypingWithObjectMembersOptionality4.symbols.diff
@@ -14,6 +14,6 @@
 
      '1.0'?: Derived; // ok
 ->'1.0' : Symbol(S3['1.0'], Decl(subtypingWithObjectMembersOptionality4.ts, 25, 25))
-+>'1.0' : Symbol(S3["10"], Decl(subtypingWithObjectMembersOptionality4.ts, 25, 25))
++>'1.0' : Symbol(S3["1.0"], Decl(subtypingWithObjectMembersOptionality4.ts, 25, 25))
  >Derived : Symbol(Derived, Decl(subtypingWithObjectMembersOptionality4.ts, 2, 31))
  }