From 944a2cb8dcc7da9119e44c94569fc4940e1cfefc Mon Sep 17 00:00:00 2001
From: the-djmaze <>
Date: Tue, 4 Apr 2023 11:28:15 +0200
Subject: [PATCH] A solution for #1056 to support `<html
 data-date-lang="fa-IR"`

---
 dev/prototype.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/dev/prototype.js b/dev/prototype.js
index cec93864d..8e106d0a1 100644
--- a/dev/prototype.js
+++ b/dev/prototype.js
@@ -29,7 +29,8 @@
 		if (hourCycle) {
 			options.hourCycle = hourCycle;
 		}
-		return this.toLocaleString(doc.documentElement.lang, options);
+		let el = doc.documentElement;
+		return this.toLocaleString(el.dataset.dateLang || el.lang, options);
 	};
 
 	Element.prototype.closestWithin = function(selector, parent) {
