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-rw-r--r--Master/texmf-dist/tex/latex/beamer/beamerbasetemplates.sty3
1 files changed, 2 insertions, 1 deletions
diff --git a/Master/texmf-dist/tex/latex/beamer/beamerbasetemplates.sty b/Master/texmf-dist/tex/latex/beamer/beamerbasetemplates.sty
index 0a4b2108e5b..d25e83bdce1 100644
--- a/Master/texmf-dist/tex/latex/beamer/beamerbasetemplates.sty
+++ b/Master/texmf-dist/tex/latex/beamer/beamerbasetemplates.sty
@@ -1,5 +1,6 @@
% Copyright 2003--2007 by Till Tantau
% Copyright 2010 by Vedran Mileti\'c
+% Copyright 2017 by Joseph Wright
%
% This file may be distributed and/or modified
%
@@ -43,7 +44,7 @@
\newtoks\beamer@sbttoks
\newcommand<>\defbeamertemplate{
- \beamer@ifempty{#1}
+ \ifblank{#1}
{\def\beamer@@oar{<presentation>}}
{\def\beamer@@oar{#1}}\beamer@defbeamertemplate}
\def\beamer@defbeamertemplate{\@ifstar{\beamer@sbttrue\beamer@sbtoo}{\beamer@sbtfalse\beamer@sbtoo}}