Implement bounded Notation LLSD codec

tests/compat/tests/structured_data.rs

@@ -802,11 +802,11 @@ fn notation_deserialize_string() {
     for (input, expected) in [
         ("''", ""),
         (r#"'test\'\"test'"#, "test'\"test"),
-        ("'test \\\\lest'", "test \\\\lest"),
+        ("'test \\\\lest'", "test \\lest"),
         ("'aa\t la'", "aa\t la"),
         ("'\\\\'", "\\"),
         (r#"s(10)"1234567890""#, "1234567890"),
-        (r#"s(5)"\\\""#, "\\\\\\\\\\"),
+        (r#"s(5)"\\\\\""#, "\\\\\\\\\\"),
         (
             r#""aouAOUhsdjklfghskldjfghqeiurtzwieortzaslxfjkgh""#,
             "aouAOUhsdjklfghskldjfghqeiurtzwieortzaslxfjkgh",