From a978fd0f40dcac6690aa42a48960b550e018fda8 Mon Sep 17 00:00:00 2001
From: daquexian <daquexian566@gmail.com>
Date: Thu, 9 Feb 2017 18:02:48 +0800
Subject: [PATCH] capture all unicode letters for unknown contact picture

---
 .../java/com/fsck/k9/activity/misc/ContactPictureLoader.java    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/k9mail/src/main/java/com/fsck/k9/activity/misc/ContactPictureLoader.java b/k9mail/src/main/java/com/fsck/k9/activity/misc/ContactPictureLoader.java
index dd10b4d9c..4b314d57d 100644
--- a/k9mail/src/main/java/com/fsck/k9/activity/misc/ContactPictureLoader.java
+++ b/k9mail/src/main/java/com/fsck/k9/activity/misc/ContactPictureLoader.java
@@ -38,7 +38,7 @@ public class ContactPictureLoader {
     /**
      * Pattern to extract the letter to be displayed as fallback image.
      */
-    private static final Pattern EXTRACT_LETTER_PATTERN = Pattern.compile("[a-zA-Z]");
+    private static final Pattern EXTRACT_LETTER_PATTERN = Pattern.compile("\\p{L}\\p{M}*");
 
     /**
      * Letter to use when {@link #EXTRACT_LETTER_PATTERN} couldn't find a match.