From afba41a19a5f14d96c934a578da62f07b08f4b47 Mon Sep 17 00:00:00 2001
From: zPlus <-->
Date: Tue, 29 Nov 2016 13:46:54 +0100
Subject: [PATCH] Fix #38: freepost RSS sends two identical entries at the same
 time

---
 rss.php | 27 +++++++++++++++++++++------
 1 file changed, 21 insertions(+), 6 deletions(-)

diff --git a/rss.php b/rss.php
index 3abb4f6c..da0a4496 100644
--- a/rss.php
+++ b/rss.php
@@ -62,12 +62,27 @@ foreach ($posts as $post)
     // 'r' » RFC 2822 formatted date (Example: Thu, 21 Dec 2000 16:01:07 +0200)
     $date = date ('r', strtotime ($post['created']));
     
-    $item->addChild ('title',           htmlspecialchars ($post['title']));
-    $item->addChild ('description',     htmlspecialchars ($description));
-    $item->addChild ('link',            $link);
-    $item->addChild ('freepostLink',    $freepost_link);
-    $item->addChild ('pubDate',         $date);
-    $item->addChild ('author',          htmlspecialchars ($post['username']));
+    /**
+     * It's recommended that you provide the guid, and if possible make it a
+     * permalink. This enables aggregators to not repeat items, even if there
+     * have been editing changes.
+     */
+    $item->addChild ('guid',         $post['hashId']);
+    
+    /**
+     * Optional. If set to true, the reader may assume that it is a permalink
+     * to the item (a url that points to the full item described by the <item>
+     * element). The default value is true. If set to false, the guid may not
+     * be assumed to be a url.
+     */
+    $item->addChild ('isPermaLink',  false);
+    
+    $item->addChild ('title',        htmlspecialchars ($post['title']));
+    $item->addChild ('description',  htmlspecialchars ($description));
+    $item->addChild ('link',         $link);
+    $item->addChild ('freepostLink', $freepost_link);
+    $item->addChild ('pubDate',      $date);
+    $item->addChild ('author',       htmlspecialchars ($post['username']));
 }
 
 // Output RSS