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author | Karl Berry <karl@freefriends.org> | 2020-07-22 20:33:32 +0000 |
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committer | Karl Berry <karl@freefriends.org> | 2020-07-22 20:33:32 +0000 |
commit | cc09c00b2f0e7b36ba9e91e645f5da43e7d0e736 (patch) | |
tree | 3cdc8d7579def7f5fc68ea920301ce36e2151263 /Master/texmf-dist/tex/latex/beamer/beamerbasetwoscreens.sty | |
parent | bd148258b9463eec9558ba834fd5a6b64b892899 (diff) |
beamer (22jul20)
git-svn-id: svn://tug.org/texlive/trunk@55908 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-dist/tex/latex/beamer/beamerbasetwoscreens.sty')
-rw-r--r-- | Master/texmf-dist/tex/latex/beamer/beamerbasetwoscreens.sty | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/Master/texmf-dist/tex/latex/beamer/beamerbasetwoscreens.sty b/Master/texmf-dist/tex/latex/beamer/beamerbasetwoscreens.sty index af617d7ccc5..89c4eb9f020 100644 --- a/Master/texmf-dist/tex/latex/beamer/beamerbasetwoscreens.sty +++ b/Master/texmf-dist/tex/latex/beamer/beamerbasetwoscreens.sty @@ -20,6 +20,13 @@ \defbeameroption{previous slide on second screen}[right]% {% + \ifx\@onlypreamble\@notprerr + \ltx@ifpackageloaded{pgfpages}{}{% + \ClassError{beamer}{`pgfpages' package necessary for this option}{}% + }% + \else% + \RequirePackage{pgfpages}% + \fi% \pgfpagesuselayout{two screens with lagging second}[second #1]% \beamer@twoscreenstexttrue \nofiles @@ -27,6 +34,13 @@ \defbeameroption{second mode text on second screen}[right]% {% + \ifx\@onlypreamble\@notprerr + \ltx@ifpackageloaded{pgfpages}{}{% + \ClassError{beamer}{`pgfpages' package necessary for this option}{}% + }% + \else% + \RequirePackage{pgfpages}% + \fi% \pgfpagesuselayout{two screens with optional second}[second #1]% \beamer@twoscreenstexttrue } |