From fa7a3bd2f33dd6cf62a05e07ecb080f953f9ce97 Mon Sep 17 00:00:00 2001
From: pjh456 <147148383@qq.com>
Date: Thu, 17 Sep 2026 13:08:20 +0000
Subject: [PATCH] =?UTF-8?q?docs:=20=E4=BF=AE=E6=AD=A3=E5=B7=AE=E9=87=8F?=
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---
 crates/oxide_builtins/src/temporal/difference.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/crates/oxide_builtins/src/temporal/difference.rs b/crates/oxide_builtins/src/temporal/difference.rs
index acfe5ae6..b794830d 100644
--- a/crates/oxide_builtins/src/temporal/difference.rs
+++ b/crates/oxide_builtins/src/temporal/difference.rs
@@ -444,8 +444,8 @@ fn bubble_relative_duration(
             }
             end_dur[4..10].fill(0.0);
             let end_date = add_date_duration(date1, &end_dur);
-            // 进位候选边界只参与"是否进位"的比较，其对应的日期不会被写入结果，
-            // 因此这里不调用 ISO 日期范围校验（范围校验只在结果日期上执行）。
+            // 进位候选边界可能越出 ISO 日期范围，仅用于换算比较用的纪元纳秒并判断
+            // 是否进位，因此这里不做范围校验。
             let end_epoch = days_from_civil(end_date.0, end_date.1, end_date.2) * DAY_NS + time1_ns;
             let reached_end = if sign > 0 { nudged_epoch >= end_epoch } else { nudged_epoch <= end_epoch };
             if reached_end {