From 5216f9df71d429b4ab39b54f600479136133d6d0 Mon Sep 17 00:00:00 2001
From: Jay Ghiron <55773281+Halalaluyafail3@users.noreply.github.com>
Date: Wed, 8 Apr 2026 15:51:59 -0400
Subject: [PATCH 1/2] [diff.expr] Update incorrect comment

+arr2 is a constraint violation in C, rather than being valid.
---
 source/compatibility.tex | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/compatibility.tex b/source/compatibility.tex
index edbd9196d1..271210d1f6 100644
--- a/source/compatibility.tex
+++ b/source/compatibility.tex
@@ -3077,7 +3077,7 @@
 int arr1[5];
 int arr2[5];
 int same = arr1 == arr2;        // valid C, ill-formed C++
-int idem = arr1 == +arr2;       // valid in both C and C++
+int idem = arr1 == +arr2;       // valid C++, constraint violation in C
 \end{codeblock}
 \end{example}
 \howwide

From 0320f63f95c9b171ce5714db5d5fbcc06970ae2f Mon Sep 17 00:00:00 2001
From: Jay Ghiron <55773281+Halalaluyafail3@users.noreply.github.com>
Date: Sat, 11 Apr 2026 16:32:58 -0400
Subject: [PATCH 2/2] [diff.expr] Fix incorrect usage of C++

Also fixes the line that was not causing a check failure.
---
 source/compatibility.tex | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/source/compatibility.tex b/source/compatibility.tex
index 271210d1f6..1ec4a31426 100644
--- a/source/compatibility.tex
+++ b/source/compatibility.tex
@@ -3076,8 +3076,8 @@
 \begin{codeblock}
 int arr1[5];
 int arr2[5];
-int same = arr1 == arr2;        // valid C, ill-formed C++
-int idem = arr1 == +arr2;       // valid C++, constraint violation in C
+int same = arr1 == arr2;        // valid C, ill-formed \Cpp{}
+int idem = arr1 == +arr2;       // valid \Cpp{}, constraint violation in C
 \end{codeblock}
 \end{example}
 \howwide