From 7966163c81ccf49d8e9d999d03f79f41291e16e2 Mon Sep 17 00:00:00 2001
From: Martin Mares <mj@ucw.cz>
Date: Fri, 22 Jun 2018 12:09:12 +0200
Subject: [PATCH] Added \addprotected

---
 ucwmac.tex | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/ucwmac.tex b/ucwmac.tex
index ea292d7..d73247d 100644
--- a/ucwmac.tex
+++ b/ucwmac.tex
@@ -39,6 +39,12 @@
 \def\sdef#1{\expandafter\def\csname#1\endcsname}
 \def\slet#1#2{\expandafter\let\csname#1\expandafter\endcsname\csname#2\endcsname}
 
+% Add \protected to an existing macro
+\def\addprotected#1{\protected\edef#1{\expandafter\unexpanded\expandafter{#1}}}
+
+% Protect ~
+\addprotected~
+
 \def\ucwwarn#1{\immediate\write16{*** Warning: #1 ***}}
 
 %%% Page size and margins %%%
@@ -320,10 +326,6 @@
 % \putimage{width specification}{file}
 \def\putimage#1#2{\hbox{\pdfximage #1{#2}\pdfrefximage\pdflastximage}}
 
-% Let ~ be protected
-\let\plaintilde=~
-\protected\def~{\plaintilde}
-
 %%% Colors %%%
 
 % Use of pdfTeX color stack:
-- 
2.39.2