Extra comma

content.py

@@ -947,6 +947,7 @@ def add_html_tags(base_dir: str, http_prefix: str,
                         if not emojis_combined:
                             # combine emoji dicts one by one
                             for ename, eitem in custom_emoji_dict.items():
+                                if ename and eitem:
                                     if not emoji_dict.get(ename):
                                         emoji_dict[ename] = eitem
 

emoji/default_emoji.json

@@ -775,5 +775,5 @@
     "lavabit": "lavabit",
     "libreoffice": "libreoffice",
     "xmpp": "xmpp",
-    "jabber": "xmpp",
+    "jabber": "xmpp"
 }