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diff --git a/language/japanese/pxjahyper/pxjahyper-uni.def b/language/japanese/pxjahyper/pxjahyper-uni.def
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--- a/language/japanese/pxjahyper/pxjahyper-uni.def
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@@ -1,104 +0,0 @@
-%%
-%% This is file 'pxjahyper-uni.def'.
-%%
-%% Copyright (c) 2012-2022 Takayuki YATO (aka. "ZR")
-%% GitHub: https://github.com/zr-tex8r
-%% Twitter: @zr_tex8r
-%%
-%% This package is distributed under the MIT License.
-%%
-
-%% package declaration
-\NeedsTeXFormat{pLaTeX2e}
-\ProvidesFile{pxjahyper-uni.def}[2022/05/27 v1.2]
-\providecommand{\bxDebug}[1]{}
-
-%--------------------------------------- environment check
-
-\@ifpackageloaded{hyperref}{}{%else
- \bxDebug{pxjahyper-uni: hyperref not yet loaded}%
- \endinput}
-
-%% if already redefined, then okay
-\def\pxhy@tmpa#1{\@backslashchar 000#1}
-\ifx\HyPsd@Char\pxhy@tmpa\else
- \bxDebug{pxjahyper-uni: already redefined}
- \let\jsCheckHyperrefUnicode\@empty
-\expandafter\endinput\fi\relax
-
-%% if this is pTeX and pxjatoucs is not loaded, then quit
-\if \ifnum\jis"2121="3000 F%
- \else\ifx\bxjaSjisToUcs\@undefined T\else F%
- \fi\fi T%
- \bxDebug{pxjahyper-uni: bxjatoucs not yet loaded}
-\expandafter\endinput\fi\relax
-
-%--------------------------------------- the patch
-
-%% The following code is taken from hyperref.sty.
-%%%%BEGIN
- \def\HyPsd@Char#1{%
- \ifnum`#1<128 %
- \@backslashchar 000#1%
- \else
- \ifnum`#1<65536 %
- \expandafter\HyPsd@CharTwoByte\number`#1!%
- \else
- \expandafter\expandafter\expandafter\HyPsd@CharSurrogate
- \intcalcSub{`#1}{65536}!%
- \fi
- \fi
- }%
- \def\HyPsd@CharTwoByte#1!{%
- \expandafter\expandafter\expandafter\HyPsd@CharOctByte
- \IntCalcDiv#1!256!!%
- \expandafter\expandafter\expandafter\HyPsd@CharOctByte
- \IntCalcMod#1!256!!%
- }%
- \def\HyPsd@CharOctByte#1!{%
- \@backslashchar
- \IntCalcDiv#1!64!%
- \intcalcDiv{\IntCalcMod#1!64!}{8}%
- \IntCalcMod#1!8!%
- }%
- \def\HyPsd@CharSurrogate#1!{%
- \@backslashchar 33%
- \IntCalcDiv#1!262144!%
- \expandafter\expandafter\expandafter\HyPsd@CharOctByte
- \intcalcDiv{\IntCalcMod#1!262144!}{1024}!%
- \@backslashchar 33%
- \expandafter\expandafter\expandafter\IntCalcAdd
- \intcalcDiv{\IntCalcMod#1!1024!}{256}!4!%
- \expandafter\expandafter\expandafter\HyPsd@CharOctByte
- \IntCalcMod#1!256!!%
- }%
-%%%%END
-
-\ifnum\jis"2121="3000 \else %<*pTeX>
- \def\HyPsd@Char#1{%
- \ifnum`#1<128 %
- \@backslashchar 000#1%
- \else\ifnum`#1<256 %
- \expandafter\HyPsd@CharTwoByte\number`#1!%
- \else
- \expandafter\HyPsd@CharTwoByte\number\pxhy@to@ucs{`#1}!%
- \fi\fi
- }%
- \def\pxhy@to@ucs#1{"FFFD}
- \ifnum\jis"2121="8140 % sjis
- \let\pxhy@to@ucs\bxjaSjisToUcs
- \else\ifnum\jis"2121="A1A1 % euc
- \let\pxhy@to@ucs\bxjaEucToUcs
- \fi\fi
-\fi %</pTeX>
-
-%% set flag
-\let\pxHyperrefUnicodePatched=t
-\bxDebug{pxjahyper-uni: patched}
-
-%% disable the verification of bxjscls
-\let\jsCheckHyperrefUnicode\@empty
-
-%--------------------------------------- done
-\endinput
-%% EOF