add 'updated' field to post headers

1 files changed, 6 insertions, 0 deletions

diff --git a/_layouts/post.html b/_layouts/post.html
index 8c132d0..27dc55e 100644
--- a/_layouts/post.html
+++ b/_layouts/post.html
@@ -16,6 +16,12 @@ layout: default
         {{ page.date | date: "%b %-d, %Y" }}
       </time>
       •
+      {%- if page.updated %}
+      <time datetime="{{ page.updated | date_to_xmlschema }}" itemprop="dateModified">
+        (Updated {{ page.updated | date: "%b %-d, %Y" }})
+      </time>
+      •
+      {% endif -%}
       <span itemprop="about"><em>{{ page.description }}</em></span>
     </div>
   </header>