box<str> vs string

_layouts/page.html

@@ -4,7 +4,7 @@ layout: default
 <div class="post">
 
   <div class="post-header">
-    <h1 class="post-title">{{ page.title }}</h1>
+    <h1 class="post-title">{{ page.title | markdownify }}</h1>
   </div>
 
   <article class="post-content">

_layouts/post.html

@@ -4,7 +4,7 @@ layout: default
 <div class='post lang-{% if page.lang %}{{ page.lang }}{% else %}en{% endif %}'>
 
   <div class="post-header">
-    <h1 class="post-title">{{ page.title }}</h1>
+    <h1 class="post-title">{{ page.title | markdownify }}</h1>
     {% if page.subtitle %}
     <h2 class="post-subtitle">{{ page.subtitle }}</h1>
     {% endif %}