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+%
+% plextarydshln.sty
+% written by Hironobu Yamashita (@aminophen)
+%
+% This package is part of the plautopatch bundle.
+% https://github.com/aminophen/plautopatch
+%
+% This package is expected to be compatible with
+% * arydshln.sty
+% (2004/08/31 v1.71 -- 2019/02/21 v1.76)
+% * plext.sty in platex
+% (2001/09/26 v1.2 -- 2020/10/07 v1.2m)
+%
+
+%% package declaration
+\NeedsTeXFormat{pLaTeX2e}
+\ProvidesPackage{plextarydshln}
+ [2018/10/20 v0.4 Merge plext and arydshln]
+\RequirePackage{plext}
+\RequirePackage{plarydshln}
+
+%% handle package compatibility issues beforehand
+% Note: The "arydshln" manual requests users to load
+% the following packages *before* arydshln,
+% to ensure compatibility:
+% array, longtable, colortab, colortbl.
+% So, hoping that users are clever enough to load
+% them before plextarydshln, load known patches
+% at this point when they are detected.
+\@ifpackageloaded{array}{\RequirePackage{plextarray}}{}
+\@ifpackageloaded{colortbl}{\RequirePackage{plextcolortbl}}{}
+% Note: The following package is not necessarily loaded
+% before arydshln; but handle the incompatibility
+% if loaded before plextarydshln.
+\@ifpackageloaded{delarray}{\RequirePackage{plextdelarray}}{}
+
+%% patching internal code for arydshln.sty and plext.sty
+%
+\let\adl@p@array\p@array
+\def\p@array{\adl@everyvbox\everyvbox
+ \everyvbox{\adl@arrayinit \the\adl@everyvbox \everyvbox\adl@everyvbox}%
+ \ifadl@inactive \adl@inactivate \else \adl@activate \fi
+ \let\adl@noalign\noalign
+ \adl@p@array}
+\def\endarray{\adl@endarray \egroup \adl@arrayrestore \egroup
+ \@end@alignbox \csname @arrayright\endcsname}
+%
+%% done
+
+%% compatibility with colortbl.sty
+%
+\@ifpackageloaded{colortbl}{\@firstofone}{\@gobble}
+{% = colortbl.sty loaded
+\def\endarray{\adl@endarray \egroup \adl@arrayrestore \CT@end \egroup
+ \@end@alignbox \csname @arrayright\endcsname}%
+}% =
+%
+%% done
+
+\endinput