From 61ebab80f01522038c74b82f15b3f8a34a113f38 Mon Sep 17 00:00:00 2001
From: M66B <M66B@users.noreply.github.com>
Date: Tue, 9 Jul 2019 07:48:57 +0200
Subject: [PATCH] Simplify escaping patterns

---
 app/src/main/java/eu/faircode/email/Core.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/app/src/main/java/eu/faircode/email/Core.java b/app/src/main/java/eu/faircode/email/Core.java
index 8f1de0a193..091a7b47e9 100644
--- a/app/src/main/java/eu/faircode/email/Core.java
+++ b/app/src/main/java/eu/faircode/email/Core.java
@@ -80,6 +80,7 @@ import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import java.util.concurrent.Semaphore;
 import java.util.concurrent.TimeUnit;
+import java.util.regex.Pattern;
 
 import javax.mail.Address;
 import javax.mail.FetchProfile;
@@ -848,7 +849,7 @@ class Core {
         Map<String, List<EntityFolder>> parentFolders = new HashMap<>();
         for (Folder ifolder : ifolders) {
             String fullName = ifolder.getFullName();
-            String[] name = fullName.split("[" + separator + "]");
+            String[] name = fullName.split(Pattern.quote(Character.toString(separator)));
             String childName = name[name.length - 1];
             boolean subscribed = subscription.contains(fullName);
             String[] attr = ((IMAPFolder) ifolder).getAttributes();