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83 lines
2.4 KiB
83 lines
2.4 KiB
%%
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%% This is file `stackrel.sty',
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%% generated with the docstrip utility.
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%%
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%% The original source files were:
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%%
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%% stackrel.dtx (with options: `package')
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%%
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%% This is a generated file.
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%%
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%% Project: stackrel
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%% Version: 2016/05/16 v1.3
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%%
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%% Copyright (C)
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%% 2006, 2007 Heiko Oberdiek
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%% 2016-2019 Oberdiek Package Support Group
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%%
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%% This work may be distributed and/or modified under the
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%% conditions of the LaTeX Project Public License, either
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%% version 1.3c of this license or (at your option) any later
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%% version. This version of this license is in
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%% https://www.latex-project.org/lppl/lppl-1-3c.txt
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%% and the latest version of this license is in
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%% https://www.latex-project.org/lppl.txt
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%% and version 1.3 or later is part of all distributions of
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%% LaTeX version 2005/12/01 or later.
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%%
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%% This work has the LPPL maintenance status "maintained".
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%%
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%% The Current Maintainers of this work are
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%% Heiko Oberdiek and the Oberdiek Package Support Group
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%% https://github.com/ho-tex/oberdiek/issues
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%%
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%%
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%% This work consists of the main source file stackrel.dtx
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%% and the derived files
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%% stackrel.sty, stackrel.pdf, stackrel.ins, stackrel.drv.
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%%
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\NeedsTeXFormat{LaTeX2e}
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\ProvidesPackage{stackrel}
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[2016/05/16 v1.3 Adding subscript option to stackrel (HO)]%
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\RequirePackage{etexcmds}[2007/09/09]
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\ifetex@unexpanded
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\RequirePackage{pdftexcmds}[2016/05/16]%
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\begingroup\expandafter\expandafter\expandafter\endgroup
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\expandafter\ifx\csname pdf@strcmp\endcsname\relax
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\newcommand*{\stack@relbin}[3][]{%
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\mathop{#3}\limits
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\edef\reserved@a{\etex@unexpanded{#1}}%
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\ifx\reserved@a\@empty\else_{#1}\fi
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\edef\reserved@a{\etex@unexpanded{#2}}%
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\ifx\reserved@a\@empty\else^{#2}\fi
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\egroup
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}%
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\else
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\newcommand*{\stack@relbin}[3][]{%
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\mathop{#3}\limits
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\ifcase\pdf@strcmp{\detokenize{#1}}{}\else_{#1}\fi
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\ifcase\pdf@strcmp{\detokenize{#2}}{}\else^{#2}\fi
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\egroup
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}%
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\fi
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\else
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\newcommand*{\stack@relbin}[3][]{%
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\mathop{#3}\limits
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\toks@{#1}%
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\edef\reserved@a{\the\toks@}%
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\ifx\reserved@a\@empty\else_{#1}\fi
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\toks@{#2}%
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\edef\reserved@a{\the\toks@}%
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\ifx\reserved@a\@empty\else^{#2}\fi
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\egroup
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}%
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\fi
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\renewcommand*{\stackrel}{%
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\mathrel\bgroup\stack@relbin
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}
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\newcommand*{\stackbin}{%
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\mathbin\bgroup\stack@relbin
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}
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\endinput
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%%
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%% End of file `stackrel.sty'.
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