This is the obvious change for our web pages, where my link checker just reported some 200 new problematic links. ;-)
I assume there are (many) other instances we'll want to have a look at in our source tree, for example. Gerald Index: style.mhtml =================================================================== RCS file: /cvs/gcc/wwwdocs/htdocs/style.mhtml,v retrieving revision 1.141 diff -u -r1.141 style.mhtml --- style.mhtml 20 Apr 2017 10:42:10 -0000 1.141 +++ style.mhtml 29 Jan 2018 09:59:05 -0000 @@ -207,7 +207,7 @@ </address> <p>Copyright (C) -<a href="http://www.fsf.org">Free Software Foundation, Inc.</a> +<a href="https://www.fsf.org">Free Software Foundation, Inc.</a> Verbatim copying and distribution of this entire article is permitted in any medium, provided this notice is preserved.</p>