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%
% lltjp-atbegshi.sty
%
\ifdefined\NeedsTeXFormat
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{lltjp-atbegshi}[2020-07-30 Patch to atbegshi for LuaTeX-ja]
\RequirePackage{atbegshi}
\else
\input atbegshi.sty
\fi
%--------------------------------------
% following codes are almost copied from
% pxatbegshi.sty 2019/09/07 v0.5 (in platex-tools bundle, by H. Yamashita).
%% internal macros are locally effective
\begingroup
%--------------------------------------- helpers
%% unique tokens
\def\pxabgs@mark{\pxabgs@mark@}
\def\pxabgs@fin{\pxabgs@fin@}
%% \pxabgs@patch@cmd\CMD{<orig>}{<new>}
\def\pxabgs@patch@cmd#1#2#3{%
\ifx#1\relax\else
\def\pxabgs@next##1#2##2\pxabgs@mark##3\pxabgs@fin{%
\ifx\pxabgs@mark##3\pxabgs@mark
\let#1\relax
\else
\def\pxabgs@fragment{##2}%
\def#1{##1#3##2}%
\fi}%
\expandafter\pxabgs@next#1\pxabgs@mark#2\pxabgs@mark\pxabgs@fin
\fi
}
%---------------------------------------
% concept: execute all hooks inside yoko direction \vbox
% prepare
\let\pxabgs@AtBegShi@Output\AtBegShi@Output
% try first patch
\pxabgs@patch@cmd\pxabgs@AtBegShi@Output
{\let\AtBegShi@OrgProtect\protect}%
{\setbox8\vbox\bgroup\yoko\let\AtBegShi@OrgProtect\protect}
\pxabgs@patch@cmd\pxabgs@AtBegShi@Output
{\AtBeginShipoutOriginalShipout\box\AtBeginShipoutBox}%
{\AtBeginShipoutOriginalShipout\box\AtBeginShipoutBox\egroup}
\pxabgs@patch@cmd\pxabgs@AtBegShi@Output
{%
\begingroup
\setbox\AtBeginShipoutBox\box\AtBeginShipoutBox
\endgroup
\let\protect\AtBegShi@OrgProtect
}{%
\begingroup
\setbox\AtBeginShipoutBox\box\AtBeginShipoutBox
\endgroup
\let\protect\AtBegShi@OrgProtect
\egroup
}
% commit the change only when successful
\ifx\pxabgs@AtBegShi@Output\relax
\@PackageWarningNoLine{lltjp-atbegshi}{%
Failed in patching \string\AtBegShi@Output.\MessageBreak
This may cause error in tate direction%
}
\else
\global\let\AtBegShi@Output\pxabgs@AtBegShi@Output
\fi
\endgroup
%% internal macros are no longer effective
\endinput
|
