From 0593c6afcfa0652cce4d2ee82cee8be5a0eba1bb Mon Sep 17 00:00:00 2001
From: M66B <M66B@users.noreply.github.com>
Date: Sun, 31 Oct 2021 12:40:50 +0100
Subject: [PATCH] Added GB2312 workaround

---
 .../main/java/eu/faircode/email/UnknownCharsetProvider.java   | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/app/src/main/java/eu/faircode/email/UnknownCharsetProvider.java b/app/src/main/java/eu/faircode/email/UnknownCharsetProvider.java
index 0ca9d4002c..60c54ff6b4 100644
--- a/app/src/main/java/eu/faircode/email/UnknownCharsetProvider.java
+++ b/app/src/main/java/eu/faircode/email/UnknownCharsetProvider.java
@@ -65,6 +65,10 @@ public class UnknownCharsetProvider extends CharsetProvider {
             if (name.contains("UTF8") || name.contains("UTF-8")) // //TRANSLIT
                 return StandardCharsets.UTF_8;
 
+            // https://charset-normalizer.readthedocs.io/en/latest/support.html
+            if (name.contains("GB2312"))
+                name = "GB2312";
+
             if (TextUtils.isEmpty(name) ||
                     name.contains("ASCII") ||
                     //name.startsWith("ISO8859") ||