Fix relative URLs when serving the specification with a custom baseURL (#1984)

layouts/404.html

@@ -2,7 +2,7 @@
     <main id="main">
       <div>
        <h1 id="title">Not found</h1>
-          <p>This page doesn't exist. Try going back to the <a href="{{ "/" | relURL }}">main page for the Matrix Specification</a>.</p>
+          <p>This page doesn't exist. Try going back to the <a href="{{ "" | relURL }}">main page for the Matrix Specification</a>.</p>
       </div>
     </main>
 {{ end }}

layouts/partials/alert.html

@@ -16,5 +16,5 @@
 {{ $omit_title := .omit_title }}
 
 <div class="alert {{ $type }} {{ if $omit_title }}omit-title{{end}}" role="alert">
-{{ $content | markdownify }}
+{{ $content }}
 </div>

layouts/partials/hooks/body-end.html

@@ -6,5 +6,5 @@
   the place we are at in the document.
 
 */}}
-
-<script defer language="javascript" type="text/javascript"  src="{{ "js/toc.js" | relURL }}"></script>
+{{ $toc := resources.Get "js/toc.js" -}}
+<script defer language="javascript" type="text/javascript"  src="{{ $toc.RelPermalink }}"></script>

layouts/partials/hooks/head-end.html

@@ -13,5 +13,6 @@
  Google Fonts manually via a script:
  https://github.com/matrix-org/matrix-spec/tree/main/static/css/fonts
 */}}
-<link rel="preload" href="{{ "/css/fonts/Inter.css" | relURL }}" as="style">
-<link rel="stylesheet" href="{{ "/css/fonts/Inter.css" | relURL }}">
+{{ $inter := resources.Get "css/fonts/Inter.css" -}}
+<link rel="preload" href="{{ $inter.RelPermalink }}" as="style">
+<link rel="stylesheet" href="{{ $inter.RelPermalink }}">

layouts/partials/openapi/render-object-table.html

@@ -335,7 +335,7 @@ resolve-additional-types.)
   {{ $stringFormat := "" }}
 
   {{ with index site.Data "string-formats" . }}
-    {{ $stringFormat = printf "<a href=\"%s\">%s</a>" (htmlEscape .url) (htmlEscape .title) }}
+    {{ $stringFormat = printf "<a href=\"%s\">%s</a>" (htmlEscape .url | relURL) (htmlEscape .title) }}
   {{ end }}
 
   {{ return $stringFormat }}