Perhaps I found an error. AV Rule 69 says to use `const` by default on member functions. Yet in some examples (e.g. AV Rule 122 in Appendix A) they don't use t

Perhaps I found an error. AV Rule 69 says to use `const` by default on member functions. Yet in some examples (e.g. AV Rule 122 in Appendix A) they don't use the `const` keyword when they can.