From 0def2e1d73a776ac422cade0971b2a377e8e100e Mon Sep 17 00:00:00 2001
From: Rocky Zhang <rockyzhz@gmail.com>
Date: Wed, 10 Jan 2024 16:20:00 +0800
Subject: [PATCH] \makeatletter and \makeatother should match.

---
 doc/generic/pgf/pgfmanual-en-tikz-coordinates.tex | 1 +
 1 file changed, 1 insertion(+)

diff --git a/doc/generic/pgf/pgfmanual-en-tikz-coordinates.tex b/doc/generic/pgf/pgfmanual-en-tikz-coordinates.tex
index 0128ec2af..243c1bf73 100644
--- a/doc/generic/pgf/pgfmanual-en-tikz-coordinates.tex
+++ b/doc/generic/pgf/pgfmanual-en-tikz-coordinates.tex
@@ -663,6 +663,7 @@ \subsubsection{Defining New Coordinate Systems}
 \define@key{cylindricalkeys}{angle}{\def\myangle{#1}}
 \define@key{cylindricalkeys}{radius}{\def\myradius{#1}}
 \define@key{cylindricalkeys}{z}{\def\myz{#1}}
+\makeatother
 \tikzdeclarecoordinatesystem{cylindrical}%
 {%
   \setkeys{cylindricalkeys}{#1}%