fix w3 validation check

Author: Thierry Boileau

themes/restlet-framework/layouts/_partials/documentation/innerNavDynamic.html

@@ -24,9 +24,9 @@
     {{- $attrs := dict "class" "navigation-list-link" }}
 
     {{- with $page.Pages }}{{/* In case of section, let's link to the first child */}}
-      {{- $attrs = merge $attrs (dict  "href" (index . 0).Permalink) }}
+      {{- $attrs = merge $attrs (dict  "href" (index . 0).RelPermalink) }}
     {{- else }}
-      {{- $attrs = merge $attrs (dict  "href" $page.Permalink) }}
+      {{- $attrs = merge $attrs (dict  "href" $page.RelPermalink) }}
     {{- end }}
 
     {{- $currentPageActive := (eq $currentPage.Permalink $page.Permalink) }}