meilleure définition de placehold

latex/ysbeamer.tex

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