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%
% plextdelarray.sty
% written by Hironobu Yamashita (@aminophen)
%
% This package is part of the platex-tools bundle.
% https://github.com/aminophen/platex-tools
%
% This package `plextdelarray.sty' is based on:
% * delarray.sty in latex-tools (2014/10/28 v1.01)
% * plext.sty in platex (2016/08/20 v1.2a)
%
\NeedsTeXFormat{pLaTeX2e}
\ProvidesPackage{plextdelarray}
[2016/09/11 v1.0 array delimiter package for plext and delarray]
\RequirePackage{plextarray}
\RequirePackage{delarray}
%% patching internal code for array.sty and plext.sty
%
\def\@tabarray{\@ifnextchar<\p@tabarray{\p@tabarray<Z>}}
%
%% adopt from \p@tabarray (from plext.sty)
\def\p@tabarray<#1>{\m@th\@ifnextchar[%]
{\p@@array<#1>}{\p@@array<#1>[c]}}
%
%% adopt from \@@array (from delarray.sty)
\def\p@@array<#1>[#2]{\@ifnextchar\bgroup
{\let\@arrayleft\relax\let\@arrayright\relax\p@array<#1>[#2]}%
{\p@del@array<#1>[#2]}}
%
%% adopt from \@del@array (from delarray.sty)
\def\p@del@array<#1>[#2]#3#4#5{%
\setbox\z@\hbox{$\left#3\right#5$}%
\if#2c\def\@arrayleft{\left#3}\def\@arrayright{\right#5}%
\else\def\@arrayleft{\setbox\z@=\hbox\bgroup}% !!!
\def\@arrayright{\egroup% !!!
\dimen@=\dp\z@
\advance\dimen@-\ht\z@
\divide \dimen@ by \tw@
\advance\dimen@ by\fontdimen22 \textfont\tw@
\lower\dimen@\hbox{$\left#3\vcenter{\box\z@}\right#5$}}% !!!
\fi
\p@array<#1>[#2]{#4}}
%
%% all done
\endinput
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