From 55abb381fb8f75126839b1bd41403a0eb103fe17 Mon Sep 17 00:00:00 2001
From: Yann Salmon <nomail@yannsalmon.fr>
Date: Fri, 15 Feb 2019 12:07:31 +0100
Subject: [PATCH] =?UTF-8?q?meilleure=20d=C3=A9finition=20de=20placehold?=
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---
 latex/ysbeamer.tex | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/latex/ysbeamer.tex b/latex/ysbeamer.tex
index 6009369..81832e2 100644
--- a/latex/ysbeamer.tex
+++ b/latex/ysbeamer.tex
@@ -114,18 +114,18 @@
 \tikzstyle{crashfloyd} = [basefloyd, fill=red!20]
 \tikzstyle{invfloyd} = [basefloyd, fill=green!20]
 
-\newbox\@tempboxb
 
-\newcommand<>\placehold[1]{%
-  \setbox\@tempboxa\hbox{#1}%
-  \setbox\@tempboxb\hbox{\null}%
-  \wd\@tempboxb=\wd\@tempboxa
-  \ht\@tempboxb=\ht\@tempboxa
-  \dp\@tempboxb=\dp\@tempboxa
-  % Use the below definition if color goes wrong
-  % \setbox\@tempboxa\hbox{\color@begingroup#1\color@endgroup}%
-  \alt#2{\box\@tempboxa}{\box\@tempboxb}%
-}
+\mode
+<article>
+\long\def\ysbeamer@reallymakeinvisible#1{\pgfsys@begininvisible #1\pgfsys@endinvisible}
+\newrobustcmd*{\placehold}{\alt{\ysbeamer@reallymakeinvisible}{\ysbeamer@reallymakeinvisible}}
+
+\mode
+<presentation>
+\newrobustcmd*{\placehold}{\alt{\beamer@fakeinvisible}{\beamer@makecovered}}
+
+\mode
+<all>
 
 \mode<article>{\parskip=1ex plus .5ex minus 0.5ex}
 \mode<presentation>{\parskip=1ex plus .5fill minus 0.75ex}