From 1aa5d4ea79f630d9e5f8f193f9ea843c5fb46e0c Mon Sep 17 00:00:00 2001
From: aiongg <aiongtaigi@gmail.com>
Date: Thu, 22 Oct 2026 02:35:18 +0000
Subject: [PATCH] Integration: #1996 same_name compares ASCII names without
 allocating

---
 crates/formula/src/lib.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/crates/formula/src/lib.rs b/crates/formula/src/lib.rs
index 77f4e5899..32ac0e17c 100644
--- a/crates/formula/src/lib.rs
+++ b/crates/formula/src/lib.rs
@@ -20,6 +20,9 @@ pub use printer::{print, print_r1c1, quote_sheet};
 /// folds lower-casing misses for letters a name may hold (`ß`/`ẞ` -> `ss`, `ſ` -> `s`, `ς` -> `σ`).
 /// Dotless `ı` stays distinct from `i`, as outside Turkic languages.
 pub fn same_name(a: &str, b: &str) -> bool {
+    if a.is_ascii() && b.is_ascii() {
+        return a.eq_ignore_ascii_case(b);
+    }
     let fold = |s: &str| -> String {
         s.chars()
             .flat_map(char::to_lowercase)