diff --git a/i18n/nan-hant.json b/i18n/nan-hant.json
new file mode 100644
index 00000000..a81fe1e7
--- /dev/null
+++ b/i18n/nan-hant.json
@@ -0,0 +1,10 @@
+{
+	"@metadata": {
+		"authors": [
+			"Winston Sung"
+		]
+	},
+	"categorytree-member-counts": "包括{{PLURAL:$1|个下分類}}、{{PLURAL:$2|个頁}}佮 {{PLURAL:$3|个檔案}}",
+	"categorytree-num-categories": "$1 分類",
+	"categorytree-num-files": "$1檔"
+}
diff --git a/i18n/nan-latn-pehoeji.json b/i18n/nan-latn-pehoeji.json
new file mode 100644
index 00000000..ada3d1ed
--- /dev/null
+++ b/i18n/nan-latn-pehoeji.json
@@ -0,0 +1,12 @@
+{
+	"@metadata": {
+		"authors": [
+			"Winston Sung"
+		]
+	},
+	"categorytree-category": "Lūi-pia̍t:",
+	"categorytree-expand": "Khui",
+	"categorytree-num-pages": "$1 ia̍h",
+	"categorytree-loading": "teh ji̍p",
+	"categorytree-no-subcategories": "bô ē-lūi-pia̍t"
+}
diff --git a/i18n/nan.json b/i18n/nan.json
deleted file mode 100644
index 273eb64e..00000000
--- a/i18n/nan.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-	"@metadata": {
-		"authors": [
-			"A-lú-mih",
-			"Ianbu",
-			"Luuva",
-			"唐吉訶德的侍從"
-		]
-	},
-	"categorytree-category": "Lūi-pia̍t:",
-	"categorytree-expand": "Khui",
-	"categorytree-member-counts": "包括{{PLURAL:$1|个下分類}}、{{PLURAL:$2|个頁}}佮 {{PLURAL:$3|个檔案}}",
-	"categorytree-num-categories": "$1 分類",
-	"categorytree-num-pages": "$1 ia̍h",
-	"categorytree-num-files": "$1檔",
-	"categorytree-loading": "teh ji̍p",
-	"categorytree-no-subcategories": "bô ē-lūi-pia̍t"
-}
diff --git a/i18n/zh-hant.json b/i18n/zh-hant.json
index a9a9781c..2fc32838 100644
--- a/i18n/zh-hant.json
+++ b/i18n/zh-hant.json
@@ -46,5 +46,9 @@
 	"categorytree-no-pages": "沒有頁面或子分類",
 	"categorytree-not-found": "找不到分類<b>$1</b>",
 	"categorytree-error": "讀取資料時發生錯誤。",
-	"categorytree-retry": "請稍候再試一次。"
+	"categorytree-retry": "請稍候再試一次。",
+	"categorytree-onlyroot-message": "參數 <code>onlyroot</code> 已棄用。請改用 <code>depth=\"0\"</code>。",
+	"categorytree-deprecation-warning": "'''警告：'''此頁面使用到帶有已棄用參數的 <code>&lt;categorytree&gt;</code>。",
+	"categorytree-deprecation-category": "使用到已棄用 categorytree 參數的頁面",
+	"categorytree-deprecation-category-desc": "頁面使用到已棄用的 categorytree 參數，如：<code>onlyroot</code>。"
 }