https://github.com/Warzone2100/warzone2100/commit/e0eccd81d9aa00645ede87b0793b69fae27c7d5b

From e0eccd81d9aa00645ede87b0793b69fae27c7d5b Mon Sep 17 00:00:00 2001
From: Pavel Solodovnikov <pavel.al.solodovnikov@gmail.com>
Date: Fri, 15 May 2026 12:59:17 +0300
Subject: [PATCH] notifications.cpp: Fix compilation for C++20

Signed-off-by: Pavel Solodovnikov <pavel.al.solodovnikov@gmail.com>
---
 src/notifications.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/notifications.cpp b/src/notifications.cpp
index 73c14dc2f24..22ac915ede6 100644
--- a/src/notifications.cpp
+++ b/src/notifications.cpp
@@ -46,6 +46,7 @@ using json = nlohmann::json;
 #include <physfs.h>
 #include "lib/framework/file.h"
 #include <sstream>
+#include <string_view>
 
 class WZ_Notification_Preferences
 {
@@ -759,8 +760,9 @@ std::shared_ptr<W_NOTIFICATION> W_NOTIFICATION::make(WZ_Queued_Notification* req
 
 	if (psActionButton != nullptr || request->notification.duration == 0)
 	{
+		static constexpr std::u8string_view DISMISS_LABEL_PREFIX = u8"▴ ";
 		// 2.) "Dismiss" button
-		dismissLabel = u8"▴ " + dismissLabel;
+		dismissLabel = std::string(DISMISS_LABEL_PREFIX.begin(), DISMISS_LABEL_PREFIX.end()) + dismissLabel;
 		sButInit.id = 3;
 		sButInit.FontID = font_regular;
 		sButInit.width = iV_GetTextWidth(dismissLabel.c_str(), font_regular) + 18;