This test page is written in HTML 3.2 and validates at, for example, Validome
The source code is:
<DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=iso-8859-1"> "> <title>Testing the old meta http equiv thing</title> <meta http-equiv="Link" content="</labels.rdf>; /='/'; rel='meta' type='application/rdf+xml' "> </head> <body> Text </body> <html>