Actualización

vendor/sabre/vobject/tests/VObject/SlashRTest.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace Sabre\VObject;
+
+/**
+ * This issue was pointed out in Issue 55. \r should be stripped completely 
+ * when encoding property values.
+ */
+class SlashRTest extends \PHPUnit_Framework_TestCase {
+
+    function testEncode() {
+
+        $vcal = new Component\VCalendar();
+        $prop = $vcal->add('test', "abc\r\ndef");
+        $this->assertEquals("TEST:abc\\ndef\r\n", $prop->serialize());
+
+    }
+
+
+}