From 722b0ecc29e254d94ef353b39f6d4b2f9f5ee86b Mon Sep 17 00:00:00 2001
From: Martin Mares <mj@ucw.cz>
Date: Thu, 31 May 2018 16:23:35 +0200
Subject: [PATCH] Let ~ be protected

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

diff --git a/ucwmac.tex b/ucwmac.tex
index 74211b3..ce18861 100644
--- a/ucwmac.tex
+++ b/ucwmac.tex
@@ -255,6 +255,10 @@
 % \putimage{width specification}{file}
 \def\putimage#1#2{\hbox{\pdfximage #1{#2}\pdfrefximage\pdflastximage}}
 
+% Let ~ be protected
+\let\plaintilde=~
+\protected\def~{\plaintilde}
+
 %%% Epilog %%%
 
 % Let's hide all internal macros
-- 
2.39.2