From 5d099a8399436f46fba0ea464b54c301b1656abe Mon Sep 17 00:00:00 2001
From: Henri Menke <henri@henrimenke.de>
Date: Wed, 15 Dec 2021 21:40:48 +0100
Subject: [PATCH] refactor(pgfcore): replace nested \protect by \protected\def

Signed-off-by: Henri Menke <henri@henrimenke.de>
---
 tex/generic/pgf/basiclayer/pgfcore.code.tex | 3 ---
 tex/generic/pgf/math/pgfmathfloat.code.tex  | 7 +------
 tex/latex/pgf/basiclayer/pgfcore.sty        | 2 --
 3 files changed, 1 insertion(+), 11 deletions(-)

diff --git a/tex/generic/pgf/basiclayer/pgfcore.code.tex b/tex/generic/pgf/basiclayer/pgfcore.code.tex
index 5f41348a2..b7e47f4ee 100644
--- a/tex/generic/pgf/basiclayer/pgfcore.code.tex
+++ b/tex/generic/pgf/basiclayer/pgfcore.code.tex
@@ -38,7 +38,4 @@
 \input pgfcorepatterns.code.tex
 \input pgfcorerdf.code.tex
 
-\pgfutil@ifundefined{pgf@texdist@protect}{%
-    \def\pgf@texdist@protect{}%
-}{}
 \endinput
diff --git a/tex/generic/pgf/math/pgfmathfloat.code.tex b/tex/generic/pgf/math/pgfmathfloat.code.tex
index e520a98eb..f133c6d49 100644
--- a/tex/generic/pgf/math/pgfmathfloat.code.tex
+++ b/tex/generic/pgf/math/pgfmathfloat.code.tex
@@ -1637,12 +1637,7 @@
 % variables in /pgf/number format).
 %
 % You may specify optional arguments with \pgfmathprintnumber[...].
-\def\pgfmathprintnumber{%
-    % \protect allows to supply \pgfmathprintnumber inside of latex
-    % captions. The \csname yields \relax in case protect is undefined.
-    \pgf@texdist@protect\pgfmathprintnumber@protected
-}%
-\def\pgfmathprintnumber@protected{%
+\pgfutil@protected\def\pgfmathprintnumber{%
     \pgfutil@ifnextchar[%
         {\pgfmathprintnumber@OPT}%
         {\pgfmathprintnumber@noopt}%
diff --git a/tex/latex/pgf/basiclayer/pgfcore.sty b/tex/latex/pgf/basiclayer/pgfcore.sty
index e50a3cec5..02c5e696e 100644
--- a/tex/latex/pgf/basiclayer/pgfcore.sty
+++ b/tex/latex/pgf/basiclayer/pgfcore.sty
@@ -12,8 +12,6 @@
 \RequirePackage{keyval}
 \RequirePackage{xcolor}
 
-\def\pgf@texdist@protect{\protect}%
-
 \input{pgfcore.code.tex}
 
 \endinput