adopt nil page index fix

Author: seancorfield

deps.edn

@@ -3,7 +3,7 @@
         ring/ring-devel {:mvn/version "1.9.4"}
         compojure/compojure {:mvn/version "1.6.2"}
         cryogen-flexmark/cryogen-flexmark {:mvn/version "0.1.5"}
-        cryogen-core/cryogen-core {:mvn/version "0.4.1"}}
+        cryogen-core/cryogen-core {:mvn/version "0.4.3"}}
  :aliases {;; Run with `clojure -M:build`
            :build {:main-opts ["-m" "cryogen.core"]}
            ;; Start a server serving the blog: `clojure -X:serve`

themes/blue/html/page.html

@@ -19,10 +19,10 @@ <h2>{{page.title}}</h2>
     {{page.content|safe}}
 
     <div id="prev-next">
-        {% if all page.prev page.prev.page-index %}
+        {% if page.prev %}
         <a href="{{page.prev.uri}}">&laquo; {{page.prev.title}}</a>
         {% endif %}
-        {% if all page.prev page.prev.page-index page.next %}
+        {% if all page.prev page.next %}
         ||
         {% endif %}
         {% if page.next %}