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% Copyright 2006 by Till Tantau
%
% This file may be distributed and/or modified
%
% 1. under the LaTeX Project Public License and/or
% 2. under the GNU Public License.
%
% See the file doc/generic/pgf/licenses/LICENSE for more details.
% Comment: This file has been modified to utilize libraries in the pgfplots package.
% Edited by Nick Papior Andersen
% Loading further libraries
% Include a library file.
%
% #1 = List of names of library file.
%
% Description:
%
% This command includes a list of pgfplots library files. For each file X in the
% list, the file tikzlibrarypgfplots.X.code.tex is included, provided this has
% not been done earlier.
%
% For the convenience of Context users, both round and square brackets
% are possible for the argument.
%
% Example:
%
% \usepgfplotslibrary{units}
% \usepgfplotslibrary[units,dateplot]
\def\usepgfplotslibrary{\pgfutil@ifnextchar[{\use@pgfplotslibrary}{\use@@pgfplotslibrary}}%}
\def\use@pgfplotslibrary[#1]{\use@@pgfplotslibrary{#1}}
\def\use@@pgfplotslibrary#1{%
\edef\pgf@list{#1}%
\pgfutil@for\pgf@temp:=\pgf@list\do{%
\expandafter\pgfkeys@spdef\expandafter\pgf@temp\expandafter{\pgf@temp}%
\ifx\pgf@temp\pgfutil@empty
\else
\expandafter\ifx\csname pgfp@library@\pgf@temp @loaded\endcsname\relax%
\expandafter\global\expandafter\let\csname pgfp@library@\pgf@temp @loaded\endcsname=\pgfutil@empty%
\expandafter\edef\csname tikz@library@#1@atcode\endcsname{\the\catcode`\@}
\expandafter\edef\csname tikz@library@#1@barcode\endcsname{\the\catcode`\|}
\catcode`\@=11
\catcode`\|=12
\pgfplots@iffileexists{tikzlibrarypgfplots.\pgf@temp.code.tex}{%
\input tikzlibrarypgfplots.\pgf@temp.code.tex}{%
\input pgflibrarypgfplots.\pgf@temp.code.tex}%
\catcode`\@=\csname tikz@library@#1@atcode\endcsname
\catcode`\|=\csname tikz@library@#1@barcode\endcsname
\fi%
\fi
}%
}
% Default loaded libraries:
% Currently none
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