theme: provide twitter:card meta tag even if article cover is not present.

diff --git a/pelican-theme/templates/article.html b/pelican-theme/templates/article.html
index 37d26ac95f585d2bd33b746077179d0dffd2c1a1..a9be63f1dc0ea6b5a57d29bad691a91198a5d473 100644 (file)
--- a/pelican-theme/templates/article.html
+++ b/pelican-theme/templates/article.html
@@ -18,6 +18,8 @@
   <meta property="og:image" content="{{ article.cover|expand_link(article) }}" />
   <meta name="twitter:card" content="summary_large_image" />
   <meta name="twitter:image" content="{{ article.cover|expand_link(article) }}" />
+  {% else %}
+  <meta name="twitter:card" content="summary" />
   {% endif %}
   <meta property="og:type" content="article" />
 {% endblock %}