From 93ffe7defd56c8e458f9e65c6dc8007d31939ae4 Mon Sep 17 00:00:00 2001
From: Pat Hawks <pat@pathawks.com>
Date: Sun, 21 Feb 2016 16:28:03 -0800
Subject: [PATCH] Support article:publisher without fb:app_id

---
 lib/template.html | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/lib/template.html b/lib/template.html
index 8191b3f..e21d56b 100644
--- a/lib/template.html
+++ b/lib/template.html
@@ -127,8 +127,13 @@
 {% endif %}
 
 {% if site.facebook %}
-  <meta property="article:publisher" content="{{ site.facebook.publisher }}" />
-  <meta property="fb:app_id" content="{{ site.facebook.app_id }}" />
+  {% if site.facebook.publisher %}
+    <meta property="article:publisher" content="{{ site.facebook.publisher }}" />
+  {% endif %}
+
+  {% if site.facebook.app_id %}
+    <meta property="fb:app_id" content="{{ site.facebook.app_id }}" />
+  {% endif %}
 {% endif %}
 
 {% if site.google_site_verification %}