Check for canonical rel instead of permalink

layouts/_default/list.atom.xml

@@ -165,7 +165,7 @@
             <id>{{ $id }}</id>
 
             {{ range .OutputFormats }}
-                {{ $rel := cond (eq .Permalink $page.Permalink) "self" .Rel }}
+                {{ $rel := cond (eq .Rel "canonical") "alternate" .Rel }}
 
                 {{ if or (eq $rel "alternate") (eq $rel "enclosure") (eq $rel "related") (eq $rel "via") }}
                     {{ printf `<link href="%s" rel="%s" type="%s"/>` .Permalink $rel .MediaType | safeHTML }}