From 955800dcd6c0f62f71c48d828e674a4f805f9277 Mon Sep 17 00:00:00 2001
From: Eisenwave <me@eisenwave.net>
Date: Mon, 26 May 2025 20:42:18 +0200
Subject: [PATCH 1/2] [dcl.attr.deprecated], [cpp.error] Replace "diagnostic
 message" with "warning"

---
 source/declarations.tex | 7 ++++---
 source/preprocessor.tex | 2 +-
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/source/declarations.tex b/source/declarations.tex
index 2e575bbbba..c08374fbad 100644
--- a/source/declarations.tex
+++ b/source/declarations.tex
@@ -9598,9 +9598,10 @@
 
 \pnum
 \recommended
-Implementations should use the \tcode{deprecated} attribute to produce a diagnostic
-message in case the program refers to a name or entity other than to declare it, after a
-declaration that specifies the attribute. The diagnostic message should include the text provided
+Implementations should use the \tcode{deprecated} attribute to produce a warning
+in case the program refers to a name or entity other than to declare it, after a
+declaration that specifies the attribute.
+The warning should include the text provided
 within the \grammarterm{attribute-argument-clause} of any \tcode{deprecated} attribute applied
 to the name or entity.
 The value of
diff --git a/source/preprocessor.tex b/source/preprocessor.tex
index ee7959abeb..8b91f30abc 100644
--- a/source/preprocessor.tex
+++ b/source/preprocessor.tex
@@ -2098,7 +2098,7 @@
 \begin{ncsimplebnf}
 \terminal{\# warning} \opt{pp-tokens} new-line
 \end{ncsimplebnf}
-requires the implementation to produce at least one diagnostic message
+requires the implementation to produce at least one warning
 for the preprocessing translation unit\iref{intro.compliance.general}.
 \recommended
 Any diagnostic message caused by either of these directives

From dc65ff3204de0a74e2448bbdf1bca8c5823c484c Mon Sep 17 00:00:00 2001
From: Eisenwave <me@eisenwave.net>
Date: Mon, 26 May 2025 20:58:18 +0200
Subject: [PATCH 2/2] [intro.defs] Define "warning"

---
 source/intro.tex | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/source/intro.tex b/source/intro.tex
index 75705a2bab..62f7259047 100644
--- a/source/intro.tex
+++ b/source/intro.tex
@@ -694,6 +694,18 @@
 \tcode{false}.
 \end{example}
 
+\indexdefn{warning}%
+\definition{warning}{defns.warning}
+message belonging to a subset of
+\termref{defns.diagnostic}{diagnostic message}{s}
+produced to provide the user with information about the program,
+not as a consequence of a \Cpp{} program being rejected
+
+\begin{example}
+The \tcode{#warning} directive produces a warning.
+The \tcode{#error} directive produces a diagnostic message that is not a warning\iref{cpp.error}.
+\end{example}
+
 \indexdefn{program!well-formed}%
 \definition{well-formed program}{defns.well.formed}
 \Cpp{} program constructed according to the syntax and semantic rules