From a67ed4d0f0b9976bad2cbe87d7a64a2c73a012da Mon Sep 17 00:00:00 2001
From: "ptr727-codegen[bot]"
 <275599072+ptr727-codegen[bot]@users.noreply.github.com>
Date: Tue, 16 Jun 2026 05:59:14 +0000
Subject: [PATCH] Update codegen files

---
 LanguageData/rfc5646           | 10 +++++++++-
 LanguageData/rfc5646.json      | 17 +++++++++++++++--
 LanguageTags/Rfc5646DataGen.cs | 21 ++++++++++++++++++---
 3 files changed, 42 insertions(+), 6 deletions(-)

diff --git a/LanguageData/rfc5646 b/LanguageData/rfc5646
index f6a20c0..7bce29e 100644
--- a/LanguageData/rfc5646
+++ b/LanguageData/rfc5646
@@ -1,4 +1,4 @@
-File-Date: 2026-05-05
+File-Date: 2026-06-14
 %%
 Type: language
 Subtag: aa
@@ -91,6 +91,8 @@ Type: language
 Subtag: bh
 Description: Bihari languages
 Added: 2005-10-16
+Deprecated: 2026-06-14
+Preferred-Value: bih
 Scope: collection
 %%
 Type: language
@@ -4923,6 +4925,12 @@ Description: Biangai
 Added: 2009-07-29
 %%
 Type: language
+Subtag: bih
+Description: Bihari languages
+Added: 2026-06-14
+Scope: collection
+%%
+Type: language
 Subtag: bij
 Description: Vaghat-Ya-Bijim-Legeri
 Added: 2009-07-29
diff --git a/LanguageData/rfc5646.json b/LanguageData/rfc5646.json
index c7a1493..1e7af21 100644
--- a/LanguageData/rfc5646.json
+++ b/LanguageData/rfc5646.json
@@ -1,5 +1,5 @@
 {
-  "FileDate": "2026-05-05",
+  "FileDate": "2026-06-14",
   "RecordList": [
     {
       "Type": "Language",
@@ -182,8 +182,10 @@
       ],
       "Added": "2005-10-16",
       "Scope": "Collection",
+      "Deprecated": "2026-06-14",
       "Comments": [],
-      "Prefix": []
+      "Prefix": [],
+      "PreferredValue": "bih"
     },
     {
       "Type": "Language",
@@ -10384,6 +10386,17 @@
       "Comments": [],
       "Prefix": []
     },
+    {
+      "Type": "Language",
+      "SubTag": "bih",
+      "Description": [
+        "Bihari languages"
+      ],
+      "Added": "2026-06-14",
+      "Scope": "Collection",
+      "Comments": [],
+      "Prefix": []
+    },
     {
       "Type": "Language",
       "SubTag": "bij",
diff --git a/LanguageTags/Rfc5646DataGen.cs b/LanguageTags/Rfc5646DataGen.cs
index 45e5ac8..b9d0999 100644
--- a/LanguageTags/Rfc5646DataGen.cs
+++ b/LanguageTags/Rfc5646DataGen.cs
@@ -13,7 +13,7 @@ public sealed partial class Rfc5646Data
     public static Rfc5646Data Create() =>
         new()
         {
-            FileDate = new DateOnly(2026, 5, 5),
+            FileDate = new DateOnly(2026, 6, 14),
             RecordList =
             [
                 new()
@@ -249,8 +249,8 @@ public static Rfc5646Data Create() =>
                     SuppressScript = null,
                     Scope = Rfc5646Record.RecordScope.Collection,
                     MacroLanguage = null,
-                    Deprecated = null,
-                    PreferredValue = null,
+                    Deprecated = new DateOnly(2026, 6, 14),
+                    PreferredValue = "bih",
                     Tag = null,
                     Description = [@"Bihari languages"],
                     Comments = [],
@@ -13809,6 +13809,21 @@ public static Rfc5646Data Create() =>
                     Prefix = [],
                 },
                 new()
+                {
+                    Type = Rfc5646Record.RecordType.Language,
+                    SubTag = "bih",
+                    Added = new DateOnly(2026, 6, 14),
+                    SuppressScript = null,
+                    Scope = Rfc5646Record.RecordScope.Collection,
+                    MacroLanguage = null,
+                    Deprecated = null,
+                    PreferredValue = null,
+                    Tag = null,
+                    Description = [@"Bihari languages"],
+                    Comments = [],
+                    Prefix = [],
+                },
+                new()
                 {
                     Type = Rfc5646Record.RecordType.Language,
                     SubTag = "bij",