HTML 5 only supports the <link rev="made" ...> syntax we have been using "forever" for backwards compatibility.
We could use <link rev="author" ...> which is documented as follows "For link elements, the author keyword indicates that the referenced document provides further information about the author for the page as a whole." but I don't see how this s really beneficial for us, so let's just simplify this. Applied. Gerald Index: style.mhtml =================================================================== RCS file: /cvs/gcc/wwwdocs/htdocs/style.mhtml,v retrieving revision 1.142 diff -u -r1.142 style.mhtml --- style.mhtml 29 Jan 2018 10:00:39 -0000 1.142 +++ style.mhtml 2 Jun 2018 11:32:19 -0000 @@ -48,13 +48,11 @@ <if <var-exists XHTML> <group <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> - <link rev="made" href="mailto:g...@gcc.gnu.org" /> <link rel="shortcut icon" href="https://gcc.gnu.org/favicon.ico" /> <link rel="stylesheet" type="text/css" href="https://gcc.gnu.org/gcc.css" /> > <group <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> - <link rev="made" href="mailto:g...@gcc.gnu.org"> <link rel="shortcut icon" href="https://gcc.gnu.org/favicon.ico"> <link rel="stylesheet" type="text/css" href="/gcc.css"> >