From 9ea21c835ddb63dc392ef54878ce7131be188852 Mon Sep 17 00:00:00 2001
From: philipp <philipp@7aebc617-e5e2-0310-91dc-80fb5f6d2477>
Date: Sat, 28 Sep 2013 19:50:55 +0000
Subject: [PATCH] Fixed: Revision r1621 introduced a side effect: Empty <wrmap>
 or <wrgmap> elements were incorrectly treated as having an error.

git-svn-id: http://www.winterrodeln.org/svn/servermediawiki/mediawiki_extensions/wrmap/trunk@1626 7aebc617-e5e2-0310-91dc-80fb5f6d2477
---
 wrmap.body.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/wrmap.body.php b/wrmap.body.php
index ea36f8b..fd17f84 100644
--- a/wrmap.body.php
+++ b/wrmap.body.php
@@ -53,7 +53,8 @@ function sledruns_to_json_features() {
 function xml_to_json_features($input) {
 	libxml_use_internal_errors(true); // without that, we get PHP Warnings if the $input is not well-formed
 	$xml = new SimpleXMLElement($input); // input
-	if (!ctype_space((string) $xml)) { // there must not be anythin except sub-elements or whitespace
+	$whitespace = (string) $xml; // everything between <wrmap> and </wrmap> that's not a sub-element
+	if (strlen($whitespace) > 0 && !ctype_space($whitespace)) { // there must not be anythin except sub-elements or whitespace
 		throw new Exception('Die Landkarte enthält folgenden ungültigen Text: "' . trim($xml) . '".');
 	}
 	$json_features = array(); // output
-- 
2.39.5