Also strip tags to prevent bad page generation

Author: James Munns

themes/hyde/templates/page.html

@@ -5,7 +5,7 @@
   <meta name="twitter:card" content="summary" />
   <meta name="twitter:site" content="@rustembedded" />
   <meta name="twitter:title" content="{{ page.title }}" />
-  <meta name="twitter:description" content="{{ page.summary | safe }}" />
+  <meta name="twitter:description" content="{{ page.summary | safe | striptags }}" />
   <meta name="twitter:image" content="{{ get_url(path="ewg-logo-blue-white-on-transparent-256x256.png", trailing_slash=false) }}" />
 {%endblock twitter_meta %}