--- /dev/null
+--TEST--
+Bug #10816 Unwanted linebreak at the end of output
+--SKIPIF--
+--FILE--
+<?php
+$eol = "#";
+include("Mail/mime.php");
+$encoder = new Mail_mime(array('eol'=>$eol));
+$encoder->setTXTBody('test');
+$encoder->setHTMLBody('<b>test</b>');
+$encoder->addAttachment('Just a test', 'application/octet-stream', 'test.txt', false);
+$body = $encoder->get();
+$taillength = -1 * strlen($eol) * 2;
+if (substr($body, $taillength) == ($eol.$eol)){
+ print("FAILED\n");
+ print("Body:\n");
+ print("..." . substr($body, -10) . "\n");
+}else{
+ print("OK\n");
+}
+--EXPECT--
+OK
+