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57 lines
1.7 KiB
57 lines
1.7 KiB
% Copyright 2003--2007 by Till Tantau
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% Copyright 2010 by Vedran Mileti\'c
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% Copyright 2013,2015 by Vedran Mileti\'c, Joseph Wright
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% Copyright 2017 by Joseph Wright
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%
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% This file may be distributed and/or modified
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%
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% 1. under the LaTeX Project Public License and/or
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% 2. under the GNU Public License.
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%
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% See the file doc/licenses/LICENSE for more details.
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\RequirePackage{keyval}[1997/11/10]
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\newrobustcmd*\ProcessOptionsBeamer{%
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\let\@tempa\@empty
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\ifx\@currext\@clsextension
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\else
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\@for\CurrentOption:=\@classoptionslist\do{%
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\@ifundefined{KV@\@currname @\CurrentOption}%
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{}{\edef\@tempa{\@tempa,\CurrentOption,}}}%
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\fi
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\edef\@tempa{%
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\noexpand\setkeys{\@currname}{\@tempa\@ptionlist{\@currname.\@currext}}}%
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\let\beamer@origkverr\KV@errx
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\let\beamer@origxkverr\XKV@err
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\let\KV@errx=\@gobble% never mind
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\let\XKV@err=\@gobble% never mind
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\@tempa
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\let\KV@errx\beamer@origkverr
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\let\XKV@err\beamer@origxkverr
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\AtEndOfPackage{\let\@unprocessedoptions\relax}}
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\newrobustcmd\ExecuteOptionsBeamer[1]{%
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\setkeys{\@currname}{#1}}
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\newrobustcmd\DeclareOptionBeamer[1]{\@ifnextchar[{\beamer@dokv{#1}}{\beamer@dokv{#1}[]}}
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\long\def\beamer@dokv#1[#2]#3{\define@key{\@currname}{#1}[{#2}]{#3}}
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\def\beamer@filterclassoptions{%
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\def\beamer@filteredclassoptionslist{}%
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\@for\CurrentOption:=\@classoptionslist\do{%
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\ifx\CurrentOption\@empty\else
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\@expandtwoargs\in@{=}{\CurrentOption}%
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\ifin@
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\else
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\edef\beamer@filteredclassoptionslist{%
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\beamer@filteredclassoptionslist,\CurrentOption}%
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\fi
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\fi
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}%
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\let\@classoptionslist=\beamer@filteredclassoptionslist
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}
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\newrobustcmd*\defbeameroption{\define@key{beamer@option}}
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\newrobustcmd*\setbeameroption{\setkeys{beamer@option}}
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