From 9c7d5157247c64261318853a63670f1561c1c0f2 Mon Sep 17 00:00:00 2001
From: Eddie Kohler <ekohler@gmail.com>
Date: Fri, 22 Nov 2019 09:45:37 -0500
Subject: [PATCH] Trim, force to string.

---
 search.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/search.php b/search.php
index d13b339089..c1916edb64 100644
--- a/search.php
+++ b/search.php
@@ -18,7 +18,7 @@
 if (isset($Qreq->t) && !isset($Qreq->q)) {
     $Qreq->q = "";
 }
-$Qreq->t = PaperSearch::canonical_search_type($Qreq->t);
+$Qreq->t = PaperSearch::canonical_search_type(trim((string) $Qreq->t));
 $tOpt = PaperSearch::search_types($Me, $Qreq->t);
 if (empty($tOpt)) {
     $Conf->header("Search", "search");