From 8b3c68d42d4ee142449f9249590b45658b93cd26 Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Tue, 6 Mar 2012 19:42:23 +0000
Subject: - Fix handling of % character in IMAP protocol (#1488382)

---
 program/include/rcube_imap_generic.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'program')

diff --git a/program/include/rcube_imap_generic.php b/program/include/rcube_imap_generic.php
index cffb250fb..f286ec6bd 100644
--- a/program/include/rcube_imap_generic.php
+++ b/program/include/rcube_imap_generic.php
@@ -3616,13 +3616,16 @@ class rcube_imap_generic
         if ($string === null) {
             return 'NIL';
         }
+
         if ($string === '') {
             return '""';
         }
+
         // atom-string (only safe characters)
-        if (!$force_quotes && !preg_match('/[\x00-\x20\x22\x28-\x2A\x5B-\x5D\x7B\x7D\x80-\xFF]/', $string)) {
+        if (!$force_quotes && !preg_match('/[\x00-\x20\x22\x25\x28-\x2A\x5B-\x5D\x7B\x7D\x80-\xFF]/', $string)) {
             return $string;
         }
+
         // quoted-string
         if (!preg_match('/[\r\n\x00\x80-\xFF]/', $string)) {
             return '"' . addcslashes($string, '\\"') . '"';
-- 
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