I have a client who has URLs http://www.mywebsite.com/fredsplace.html But they have had some duplicate URL issues in that they also appear to have /fredsplace.html/
But I cannot see that it is possible to re-direct all trailing slash pages back to the non trailing slash page?
So
1) Because I don't think it is possible? Unless the client was using Non-HTML URLs
and
2) Am I right?
In which case
3) What would be a good solution? And no changing all the URLs to non-HTML pages is not a good one

Many thanks in advance