couple of fixes:

- significantly increase the content availability on the discover channel
- fix the button group on the blog/list mode which made the border on a single comment button a bit wonky

include/zot.php

@@ -1428,8 +1428,13 @@ function process_delivery($sender,$arr,$deliveries,$relay,$public = false,$reque
 			continue;
 		}
 
+
 		$channel = $r[0];
 
+		// allow public postings to the sys channel regardless of permissions
+		if(($channel['channel_pageflags'] & PAGE_SYSTEM) && (! $arr['item_private']))
+			$public = true;
+
 		$tag_delivery = tgroup_check($channel['channel_id'],$arr);
 
 		$perm = (($arr['mid'] == $arr['parent_mid']) ? 'send_stream' : 'post_comments');