From 491ef970727e335c3f398612480bb482e0a1a42b Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@madoka.volgo-balt.ru>
Date: Mon, 29 Jul 2013 16:16:47 +0400
Subject: [PATCH] atom: only perform xml:base based rewriting if base element
 exists (closes #761)

---
 classes/feeditem/atom.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/classes/feeditem/atom.php b/classes/feeditem/atom.php
index f82c582d..8a21d614 100644
--- a/classes/feeditem/atom.php
+++ b/classes/feeditem/atom.php
@@ -42,7 +42,11 @@ class FeedItem_Atom extends FeedItem_Common {
 					|| $link->getAttribute("rel") == "standout")) {
 				$base = $this->xpath->evaluate("string(ancestor-or-self::*[@xml:base][1]/@xml:base)", $link);
 
-				return rewrite_relative_url($base, $link->getAttribute("href"));
+				if ($base)
+					return rewrite_relative_url($base, $link->getAttribute("href"));
+				else
+					return $link->getAttribute("href");
+
 			}
 		}
 	}
-- 
2.39.5