also accept the space as a separator

get.php

@@ -7,8 +7,12 @@ echo '; generated on: ' . $date->format('Y-m-d H:i:s'). "\n;\n";
 
 $curdir = realpath('.');
 
-// accept + and , as separators
-$v = explode(',',str_replace("+", ",", $_GET['combine']));
+// accept space, + and , as separators
+$s = $_GET['combine'];
+$s = str_replace('+', ',', $s);
+$s = str_replace(' ', ',', $s);
+
+$v = explode(',', $s);
 foreach ($v as $item) {
 	if (strpos($item, '../') !== false) continue;
 	$fname = $curdir . '/' . $item . '.list.resolved';