From 8374353d515bd4ffcf4473c6aaecbcf6b1823793 Mon Sep 17 00:00:00 2001
From: un-pogaz <46523284+un-pogaz@users.noreply.github.com>
Date: Wed, 4 Oct 2023 11:19:29 +0200
Subject: [PATCH] fix script variante includes in the lang_code

Some dictionaries add a script variante in their lang_code, for example:
https://github.com/LibreOffice/dictionaries/tree/master/mn_MN
---
 src/calibre/spell/__init__.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/calibre/spell/__init__.py b/src/calibre/spell/__init__.py
index e6c2b4265f..8755460c09 100644
--- a/src/calibre/spell/__init__.py
+++ b/src/calibre/spell/__init__.py
@@ -23,6 +23,9 @@ def parse_lang_code(raw):
     if lc is None:
         raise ValueError('Invalid language code: %r' % raw)
     cc = None
+    for sc in ['Cyrl', 'Latn']:
+        if sc in parts:
+            parts.remove(sc)
     if len(parts) > 1:
         ccodes, ccodemap = get_codes()[:2]
         q = parts[1].upper()