From 8fedb7d1199f0f17104d265745646e4fc438667c Mon Sep 17 00:00:00 2001
From: Anton Dyudin <ohAitch@gmail.com>
Date: Mon, 25 Jan 2016 13:53:12 -0800
Subject: [PATCH] Don't inject ;meta(urb_front) if frontmatter is
 empty/nonexistent

---
 lib/down-jet/rend.hoon | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/down-jet/rend.hoon b/lib/down-jet/rend.hoon
index 70fd3ffb5..cd9b38611 100644
--- a/lib/down-jet/rend.hoon
+++ b/lib/down-jet/rend.hoon
@@ -128,7 +128,8 @@
         [[hed id/(sanitize kid) ~] kid]
     ::
       %hrul  ;hr;
-      %meta  =+  jon=`json`o/(~(run by p.a) |=(cord s/+<))
+      %meta  ?:  =(~ p.a)  :/(~)
+             =+  jon=`json`o/(~(run by p.a) |=(cord s/+<))
              ;meta(value "{(pojo jon)}", name "frontmatter", urb_front "");
   ::     %html  
              ::=+  tex=(role (turn p.a crip))