From 5afe8db0c1e056d9569fdf73e28a93ae21809964 Mon Sep 17 00:00:00 2001
From: Hui <hui.xie0621@gmail.com>
Date: Wed, 20 Mar 2024 10:16:27 +0000
Subject: [PATCH] increment version

---
 concat.md | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/concat.md b/concat.md
index 47f7c40..c0bea6d 100644
--- a/concat.md
+++ b/concat.md
@@ -1,7 +1,7 @@
 ---
 title: "`views::concat`"
-document: P2542R7
-date: 2023-09-23
+document: P2542R8
+date: 2024-03-20
 audience: SG9, LEWG, LWG
 author:
   - name: Hui Xie
@@ -13,6 +13,11 @@ toc: true
 
 # Revision History
 
+## R8
+
+- requires expression update in `operator-(it, default_sentinel)`
+- Various minor wording fixes
+
 ## R7
 
 - update wording w.r.t `!common_range && random_access_range && sized_range` changes