Wrong link in Const FAQ

[Andrej Mitrovic]

You're probably looking for this:
http://www.drdobbs.com/blog/archives/2008/03/invariant_strin.html;jsessionid=W4D43VWK24ALLQE1GHPSKH4ATMY32JVN?print=true

Unfortunately Dr Dobb's admins decided it'd be a good idea to just
kill all the links in existence. There's plenty of dead links pointing
to that website.

Here's a list of some other Walter's posts:
http://www.drdobbs.com/blog/bioPages/author/WalterBright/index.jhtml;jsessionid=W4D43VWK24ALLQE1GHPSKH4ATMY32JVN