Properly decode \\n

decoder_test.go

@@ -47,7 +47,7 @@ func TestDecode_interface(t *testing.T) {
 			"escape.hcl",
 			false,
 			map[string]interface{}{
-				"foo": "bar\"baz",
+				"foo": "bar\"baz\\n",
 			},
 		},
 		{
@@ -196,7 +196,7 @@ func TestDecode_interface(t *testing.T) {
 		}
 
 		if !reflect.DeepEqual(out, tc.Out) {
-			t.Fatalf("Input: %s\n\n%#v\n\n%#v", tc.File, out, tc.Out)
+			t.Fatalf("Input: %s\n\nActual: %#v\n\nExpected: %#v", tc.File, out, tc.Out)
 		}
 	}
 }

hcl/lex.go

@@ -365,6 +365,8 @@ func (x *hclLex) lexString(yylval *hclSymType) int {
 				c = n
 			case 'n':
 				c = '\n'
+			case '\\':
+				c = n
 			default:
 				x.backup()
 			}

json/lex.go

@@ -133,6 +133,8 @@ func (x *jsonLex) lexString(yylval *jsonSymType) int {
 				c = n
 			case 'n':
 				c = '\n'
+			case '\\':
+				c = n
 			default:
 				x.backup()
 			}

test-fixtures/escape.hcl

@@ -1 +1 @@
-foo = "bar\"baz"
+foo = "bar\"baz\\n"