X-Git-Url: http://git.osdn.net/view?a=blobdiff_plain;f=src%2Fltjtbook.cls;h=03279bdacfb25de1b719a64b21d0a0f3fd7d09b2;hb=cfee177443f3a2ffd5c2aa1c5774405b6f4ce6fe;hp=36d9a46d476f2529ba9bea4e177fd7b069ec2315;hpb=bfbf87c9d6d7bc788c62034f28530067622cbabd;p=luatex-ja%2Fluatexja.git

diff --git a/src/ltjtbook.cls b/src/ltjtbook.cls
index 36d9a46..03279bd 100644
--- a/src/ltjtbook.cls
+++ b/src/ltjtbook.cls
@@ -21,25 +21,9 @@
 %% same distribution. (The sources need not necessarily be
 %% in the same archive or directory.)
 %% File: ltjclasses.dtx
-%% \CharacterTable
-%%  {Upper-case    \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
-%%   Lower-case    \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
-%%   Digits        \0\1\2\3\4\5\6\7\8\9
-%%   Exclamation   \!     Double quote  \"     Hash (number) \#
-%%   Dollar        \$     Percent       \%     Ampersand     \&
-%%   Acute accent  \'     Left paren    \(     Right paren   \)
-%%   Asterisk      \*     Plus          \+     Comma         \,
-%%   Minus         \-     Point         \.     Solidus       \/
-%%   Colon         \:     Semicolon     \;     Less than     \<
-%%   Equals        \=     Greater than  \>     Question mark \?
-%%   Commercial at \@     Left bracket  \[     Backslash     \\
-%%   Right bracket \]     Circumflex    \^     Underscore    \_
-%%   Grave accent  \`     Left brace    \{     Vertical bar  \|
-%%   Right brace   \}     Tilde         \~}
-%%
 \NeedsTeXFormat{LaTeX2e}
 \ProvidesClass{ltjtbook}
-  [2015/10/18 v1.6-ltj-10
+  [2019/11/23 v1.8d-ltj-17
  Standard LuaLaTeX-ja class]
 \RequirePackage{luatexja}
 \newcounter{@paper}
@@ -49,6 +33,7 @@
 \newif\if@titlepage
 \@titlepagetrue
 \newif\if@openright
+\newif\if@openleft
 \newif\if@mainmatter \@mainmattertrue
 \hour\time \divide\hour by 60\relax
 \@tempcnta\hour \multiply\@tempcnta 60\relax
@@ -106,8 +91,8 @@
   \tombowtrue \tombowdatetrue
   \setlength{\@tombowwidth}{.1\p@}%
   \@bannertoken{%
-     \jobname\space:\space\number\year/\number\month/\number\day
-      (\number\hour:\number\minute)}
+     \jobname\space(\number\year-\two@digits\month-\two@digits\day
+     \space\two@digits\hour:\two@digits\minute)}%
   \maketombowbox}
 \DeclareOption{tombo}{%
   \tombowtrue \tombowdatefalse
@@ -140,8 +125,9 @@
 \if@compatibility
 \@openrighttrue
 \else
-\DeclareOption{openright}{\@openrighttrue}
-\DeclareOption{openany}{\@openrightfalse}
+\DeclareOption{openright}{\@openrighttrue\@openleftfalse}
+\DeclareOption{openleft}{\@openlefttrue\@openrightfalse}
+\DeclareOption{openany}{\@openrightfalse\@openleftfalse}
 \fi
 \DeclareOption{leqno}{\input{leqno.clo}}
 \DeclareOption{fleqn}{\input{fleqn.clo}}
@@ -157,8 +143,6 @@
 \if@compatibility
   \@mathrmmctrue
 \else
-  \DeclareOption{disablejfam}{%
-    \ClassWarningNoLine{\@currname}{The class option 'disablejfam' is obsolete}}
   \DeclareOption{mathrmmc}{\@mathrmmctrue}
 \fi
 \DeclareOption{draft}{\setlength\overfullrule{5pt}}
@@ -172,28 +156,40 @@
 \DeclareFontShape{JY3}{gt}{m}{n}{<-> s * [0.962216] \ltj@stdgtfont:jfm=min;jfmvar=goth}{}
 \ltjglobalsetparameter{differentjfm=both}
 \directlua{luatexbase.remove_from_callback('luatexja.load_jfm', 'ltj.jclasses_load_jfm')}
+\DeclareOption{disablejfam}{}
 \ExecuteOptions{a4paper,10pt,twoside,onecolumn,final,openright,tate}
 \ProcessOptions\relax
 \input{ltjtbk1\@ptsize.clo}
 \RequirePackage{lltjext}
+\def\Cjascale{0.962216}
 \if@stysize
   \setlength\columnsep{3\Cwd}
 \else
   \setlength\columnsep{10\p@}
 \fi
 \setlength\columnseprule{0\p@}
-\setlength{\@tempdima}{\paperwidth}
-\setlength{\@tempdimb}{\paperheight}
 \iftombow
-  \advance \@tempdima 2in
-  \advance \@tempdimb 2in
-\fi
-\ifdefined\pdfpagewidth
-  \setlength{\pdfpagewidth}{\@tempdima}
-  \setlength{\pdfpageheight}{\@tempdimb}
+  \newlength{\stockwidth}
+  \newlength{\stockheight}
+  \setlength{\stockwidth}{\paperwidth}
+  \setlength{\stockheight}{\paperheight}
+  \advance \stockwidth 2in
+  \advance \stockheight 2in
+  \ifdefined\pdfpagewidth
+    \setlength{\pdfpagewidth}{\stockwidth}
+    \setlength{\pdfpageheight}{\stockheight}
+  \else
+    \setlength{\pagewidth}{\stockwidth}
+    \setlength{\pageheight}{\stockheight}
+  \fi
 \else
-  \setlength{\pagewidth}{\@tempdima}
-  \setlength{\pageheight}{\@tempdimb}
+  \ifdefined\pdfpagewidth
+    \setlength{\pdfpagewidth}{\paperwidth}
+    \setlength{\pdfpageheight}{\paperheight}
+  \else
+    \setlength{\pagewidth}{\paperwidth}
+    \setlength{\pageheight}{\paperheight}
+  \fi
 \fi
 \setlength\lineskip{1\p@}
 \setlength\normallineskip{1\p@}
@@ -213,6 +209,31 @@
 \renewcommand{\floatpagefraction}{.5}
 \renewcommand{\dbltopfraction}{.7}
 \renewcommand{\dblfloatpagefraction}{.5}
+\def\pltx@cleartorightpage{\clearpage\if@twoside
+  \unless\ifodd\numexpr\c@page+\ltjgetparameter{direction}\relax
+    \hbox{}\thispagestyle{empty}\newpage
+    \if@twocolumn\hbox{}\newpage\fi
+  \fi\fi}
+\def\pltx@cleartoleftpage{\clearpage\if@twoside
+  \ifodd\numexpr\c@page+\ltjgetparameter{direction}\relax
+    \hbox{}\thispagestyle{empty}\newpage
+    \if@twocolumn\hbox{}\newpage\fi
+  \fi\fi}
+\def\pltx@cleartooddpage{\clearpage\if@twoside
+  \ifodd\c@page\else
+    \hbox{}\thispagestyle{empty}\newpage
+    \if@twocolumn\hbox{}\newpage\fi
+  \fi\fi}
+\def\pltx@cleartoevenpage{\clearpage\if@twoside
+  \ifodd\c@page
+    \hbox{}\thispagestyle{empty}\newpage
+    \if@twocolumn\hbox{}\newpage\fi
+  \fi\fi}
+\if@openleft
+  \let\cleardoublepage\pltx@cleartoleftpage
+\else\if@openright
+  \let\cleardoublepage\pltx@cleartorightpage
+\fi\fi
 \def\ps@plain{\let\@mkboth\@gobbletwo
    \let\ps@jpl@in\ps@plain
    \let\@oddhead\@empty
@@ -238,9 +259,9 @@
     \let\@mkboth\markboth
   \def\chaptermark##1{\markboth{%
      \ifnum \c@secnumdepth >\m@ne
-         \if@mainmatter
+       \if@mainmatter
          \@chapapp\thechapter\@chappos\hskip1\zw
-         \fi
+       \fi
      \fi
      ##1}{}}%
   \def\sectionmark##1{\markright{%
@@ -254,9 +275,9 @@
     \let\@mkboth\markboth
 \def\chaptermark##1{\markright{%
    \ifnum \c@secnumdepth >\m@ne
-         \if@mainmatter
+     \if@mainmatter
        \@chapapp\thechapter\@chappos\hskip1\zw
-         \fi
+     \fi
    \fi
    ##1}}%
   }
@@ -270,9 +291,9 @@
   \let\@mkboth\markboth
 \def\chaptermark##1{\markboth{%
      \ifnum \c@secnumdepth >\m@ne
-         \if@mainmatter
+       \if@mainmatter
          \@chapapp\thechapter\@chappos\hskip1\zw
-         \fi
+       \fi
      \fi
      ##1}{}}%
   \def\sectionmark##1{\markright{%
@@ -286,9 +307,9 @@
     \let\@mkboth\markboth
   \def\chaptermark##1{\markright{%
      \ifnum \c@secnumdepth >\m@ne
-         \if@mainmatter
+       \if@mainmatter
          \@chapapp\thechapter\@chappos\hskip1\zw
-         \fi
+       \fi
      \fi
      ##1}}%
   }
@@ -304,7 +325,7 @@
 \if@compatibility
 \newenvironment{titlepage}
     {%
-      \cleardoublepage
+     \cleardoublepage
      \if@twocolumn\@restonecoltrue\onecolumn
      \else\@restonecolfalse\newpage\fi
      \thispagestyle{empty}%
@@ -315,14 +336,14 @@
 \else
 \newenvironment{titlepage}
     {%
-      \cleardoublepage
+      \pltx@cleartooddpage %% 2017/02/15
       \if@twocolumn
         \@restonecoltrue\onecolumn
       \else
         \@restonecolfalse\newpage
       \fi
       \thispagestyle{empty}%
-      \setcounter{page}\@ne
+      \ifodd\c@page\setcounter{page}\@ne\else\setcounter{page}\z@\fi %% 2017/02/15
     }%
     {\if@restonecol\twocolumn \else \newpage \fi
      \if@twoside\else
@@ -332,7 +353,7 @@
 \fi
 \def\p@thanks#1{\footnotemark
   \protected@xdef\@thanks{\@thanks
-    \protect{\noindent$\m@th^\thefootnote$~#1\protect\par}}}
+    \protect{\noindent\hbox{\yoko$\m@th^\thefootnote$}#1\protect\par}}}
 \if@titlepage
   \newcommand{\maketitle}{\begin{titlepage}%
   \let\footnotesize\small
@@ -376,7 +397,7 @@
     \def\@makefnmark{\hbox{\unless\ifnum\ltjgetparameter{direction}=3 $\m@th^{\@thefnmark}$
       \else\hbox{\yoko$\m@th^{\@thefnmark}$}\fi}}%
     \long\def\@makefntext##1{\parindent 1\zw\noindent
-       \hbox to 2\zw{\hss\@makefnmark}##1}%
+       \hb@xt@ 2\zw{\hss\@makefnmark}##1}%
     \if@twocolumn
       \ifnum \col@number=\@ne \@maketitle
       \else \twocolumn[\@maketitle]%
@@ -391,6 +412,7 @@
   \setcounter{footnote}{0}%
   \global\let\thanks\relax
   \global\let\maketitle\relax
+  \global\let\@maketitle\relax
   \global\let\p@thanks\relax
   \global\let\@thanks\@empty
   \global\let\@author\@empty
@@ -439,17 +461,19 @@
    \theparagraph・\rensuji{\@arabic\c@subparagraph}}
 \newcommand{\@chapapp}{\prechaptername}
 \newcommand{\@chappos}{\postchaptername}
-\newcommand\frontmatter{%
-  \if@openright \cleardoublepage \else \clearpage \fi
+\newcommand{\frontmatter}{%
+  \pltx@cleartooddpage
   \@mainmatterfalse\pagenumbering{roman}}
 \newcommand{\mainmatter}{%
-  \if@openright \cleardoublepage \else \clearpage \fi
+  \pltx@cleartooddpage
   \@mainmattertrue\pagenumbering{arabic}}
 \newcommand{\backmatter}{%
-  \if@openright \cleardoublepage \else \clearpage \fi
+  \if@openleft \cleardoublepage \else
+  \if@openright \cleardoublepage \else \clearpage \fi \fi
   \@mainmatterfalse}
 \newcommand{\part}{%
-  \if@openright \cleardoublepage \else \clearpage \fi
+  \if@openleft \cleardoublepage \else
+  \if@openright \cleardoublepage \else \clearpage \fi \fi
   \thispagestyle{empty}%
   \if@twocolumn\onecolumn\@tempswatrue\else\@tempswafalse\fi
   \null\vfil
@@ -464,7 +488,7 @@
   \fi
   \markboth{}{}%
   {\centering
-   \interlinepenalty\@M\reset@font
+   \interlinepenalty\@M\normalfont
    \ifnum \c@secnumdepth >-2\relax
      \huge\bfseries\prepartname\thepart\postpartname
      \par\vskip20\p@
@@ -473,14 +497,21 @@
    \@endpart}
 \def\@spart#1{{%
   \centering
-  \interlinepenalty\@M\reset@font
+  \interlinepenalty\@M\normalfont
   \Huge\bfseries#1\par}%
   \@endpart}
 \def\@endpart{\vfil\newpage
-   \if@twoside\null\thispagestyle{empty}\newpage\fi
+   \if@twoside
+    \if@openleft %% \if@openleft added (2017/02/15)
+     \null\thispagestyle{empty}\newpage
+    \else\if@openright %% \if@openright added (2016/12/18)
+     \null\thispagestyle{empty}\newpage
+    \fi\fi %% added (2016/12/18, 2017/02/15)
+   \fi
    \if@tempswa\twocolumn\fi}
 \newcommand{\chapter}{%
-  \if@openright\cleardoublepage\else\clearpage\fi
+  \if@openleft \cleardoublepage \else
+  \if@openright \cleardoublepage \else \clearpage \fi \fi
   \thispagestyle{jpl@in}%
   \global\@topnum\z@
   \@afterindenttrue
@@ -504,7 +535,7 @@
   \vskip2\Cvs
   {\parindent\z@
    \raggedright
-   \reset@font\huge\bfseries
+   \normalfont\huge\bfseries
    \leavevmode
    \ifnum \c@secnumdepth >\m@ne
      \setlength\@tempdima{\linewidth}%
@@ -524,30 +555,30 @@
   \vskip2\Cvs
   {\parindent\z@
    \raggedright
-   \reset@font\huge\bfseries
+   \normalfont\huge\bfseries
    \leavevmode
    \setlength\@tempdima{\linewidth}%
    \vtop{\hsize\@tempdima#1}}\vskip3\Cvs}
 \newcommand{\section}{\@startsection{section}{1}{\z@}%
    {1.5\Cvs \@plus.5\Cvs \@minus.2\Cvs}%
    {.5\Cvs \@plus.3\Cvs}%
-   {\reset@font\Large\bfseries}}
+   {\normalfont\Large\bfseries}}
 \newcommand{\subsection}{\@startsection{subsection}{2}{\z@}%
    {1.5\Cvs \@plus.5\Cvs \@minus.2\Cvs}%
    {.5\Cvs \@plus.3\Cvs}%
-   {\reset@font\large\bfseries}}
+   {\normalfont\large\bfseries}}
 \newcommand{\subsubsection}{\@startsection{subsubsection}{3}{\z@}%
    {1.5\Cvs \@plus.5\Cvs \@minus.2\Cvs}%
    {.5\Cvs \@plus.3\Cvs}%
-   {\reset@font\normalsize\bfseries}}
+   {\normalfont\normalsize\bfseries}}
 \newcommand{\paragraph}{\@startsection{paragraph}{4}{\z@}%
    {3.25ex \@plus 1ex \@minus .2ex}%
    {-1em}%
-   {\reset@font\normalsize\bfseries}}
+   {\normalfont\normalsize\bfseries}}
 \newcommand{\subparagraph}{\@startsection{subparagraph}{5}{\z@}%
    {3.25ex \@plus 1ex \@minus .2ex}%
    {-1em}%
-   {\reset@font\normalsize\bfseries}}
+   {\normalfont\normalsize\bfseries}}
 \newcommand{\appendix}{\par
   \setcounter{chapter}{0}%
   \setcounter{section}{0}%
@@ -590,7 +621,7 @@
   {\ifnum \@enumdepth >\thr@@\@toodeep\else
    \advance\@enumdepth\@ne
    \edef\@enumctr{enum\romannumeral\the\@enumdepth}%
-   \list{\csname label\@enumctr\endcsname}{%
+   \expandafter \list \csname label\@enumctr\endcsname{%
       \ifnum\ltjgetparameter{direction}=3
          \ifnum \@listdepth=\@ne \topsep.5\normalbaselineskip
            \else\topsep\z@\fi
@@ -617,8 +648,7 @@
   {\ifnum \@itemdepth >\thr@@\@toodeep\else
    \advance\@itemdepth\@ne
    \edef\@itemitem{labelitem\romannumeral\the\@itemdepth}%
-   \expandafter
-   \list{\csname \@itemitem\endcsname}{%
+   \expandafter \list \csname \@itemitem\endcsname{%
       \ifnum\ltjgetparameter{direction}=3
          \ifnum \@listdepth=\@ne \topsep.5\normalbaselineskip
            \else\topsep\z@\fi
@@ -696,7 +726,7 @@
       \else #1: #2\relax\par\fi
   \else
     \global \@minipagefalse
-    \hbox to\hsize{\hfil\box\@tempboxa\hfil}%
+    \hb@xt@\hsize{\hfil\box\@tempboxa\hfil}%
   \fi
   \vskip\belowcaptionskip}
 \setlength\arraycolsep{5\p@}
@@ -710,6 +740,7 @@
 \@addtoreset{equation}{chapter}
 \renewcommand{\theequation}{%
   \ifnum\c@chapter>\z@\thechapter.\fi \@arabic\c@equation}
+\unless\ifltj@disablejfam
 \if@compatibility\else
   \DeclareSymbolFont{mincho}{JY3}{mc}{m}{n}
   \DeclareSymbolFontAlphabet{\mathmc}{mincho}
@@ -723,6 +754,7 @@
   \reDeclareMathAlphabet{\mathbf}{\mathbf}{\mathgt}
 }%
 \fi
+\fi
 \DeclareOldFontCommand{\mc}{\normalfont\mcfamily}{\mathmc}
 \DeclareOldFontCommand{\gt}{\normalfont\gtfamily}{\mathgt}
 \DeclareOldFontCommand{\rm}{\normalfont\rmfamily}{\mathrm}
@@ -741,7 +773,7 @@
 \newdimen\toclineskip
 \setlength\toclineskip{2\p@}
 \newdimen\@lnumwidth
-\def\numberline#1{\hbox to\@lnumwidth{#1\hfil}}
+\def\numberline#1{\hb@xt@\@lnumwidth{#1\hfil}}
 \def\@dottedtocline#1#2#3#4#5{%
   \ifnum #1>\c@tocdepth \else
     \vskip\toclineskip \@plus.2\p@
@@ -750,19 +782,21 @@
      \interlinepenalty\@M
      \leavevmode
      \@lnumwidth #3\relax
-     \advance\leftskip \@lnumwidth \hbox{}\hskip -\leftskip
+     \advance\leftskip \@lnumwidth \null\nobreak\hskip -\leftskip
      {#4}\nobreak
      \leaders\hbox{$\m@th \mkern \@dotsep mu.\mkern \@dotsep mu$}%
      \hfill\nobreak
      \hb@xt@\@pnumwidth{\hss\normalfont \normalcolor #5}%
      \par}%
   \fi}
+\providecommand*\protected@file@percent{}
 \def\addcontentsline#1#2#3{%
   \protected@write\@auxout
     {\let\label\@gobble \let\index\@gobble \let\glossary\@gobble
-\@temptokena{\rensuji{\thepage}}}%
+     \@temptokena{\rensuji{\thepage}}}%
     {\string\@writefile{#1}%
-       {\protect\contentsline{#2}{#3}{\the\@temptokena}}}%
+       {\protect\contentsline{#2}{#3}{\the\@temptokena}%
+\protected@file@percent}}%
 }
 \newcommand{\tableofcontents}{%
   \if@twocolumn\@restonecoltrue\onecolumn
@@ -782,7 +816,7 @@
     {\leavevmode\large\bfseries
      \setlength\@lnumwidth{4\zw}%
      #1\hfil\nobreak
-     \hbox to\@pnumwidth{\hss#2}}\par
+     \hb@xt@\@pnumwidth{\hss#2}}\par
     \nobreak
     \global\@nobreaktrue
     \everypar{\global\@nobreakfalse\everypar{}}%
@@ -797,7 +831,7 @@
       \leavevmode\bfseries
       \setlength\@lnumwidth{4\zw}%
       \advance\leftskip\@lnumwidth \hskip-\leftskip
-      #1\nobreak\hfil\nobreak\hbox to\@pnumwidth{\hss#2}\par
+      #1\nobreak\hfil\nobreak\hb@xt@\@pnumwidth{\hss#2}\par
       \penalty\@highpenalty
     \endgroup
   \fi}
@@ -809,8 +843,8 @@
 \newcommand{\listoffigures}{%
   \if@twocolumn\@restonecoltrue\onecolumn
   \else\@restonecolfalse\fi
-  \chapter*{\listfigurename
-  \@mkboth{\listfigurename}{\listfigurename}}%
+  \chapter*{\listfigurename}%
+  \@mkboth{\listfigurename}{\listfigurename}%
   \@starttoc{lof}%
   \if@restonecol\twocolumn\fi
 }
@@ -818,8 +852,8 @@
 \newcommand{\listoftables}{%
   \if@twocolumn\@restonecoltrue\onecolumn
   \else\@restonecolfalse\fi
-  \chapter*{\listtablename
-  \@mkboth{\listtablename}{\listtablename}}%
+  \chapter*{\listtablename}%
+  \@mkboth{\listtablename}{\listtablename}%
   \@starttoc{lot}%
   \if@restonecol\twocolumn\fi
 }
@@ -828,7 +862,7 @@
 \setlength\bibindent{1.5em}
 \newcommand{\newblock}{\hskip .11em\@plus.33em\@minus.07em}
 \newenvironment{thebibliography}[1]
-{\chapter*{\bibname\@mkboth{\bibname}{\bibname}}%
+{\chapter*{\bibname}\@mkboth{\bibname}{\bibname}%
    \list{\@biblabel{\@arabic\c@enumiv}}%
         {\settowidth\labelwidth{\@biblabel{#1}}%
          \leftmargin\labelwidth
@@ -848,11 +882,11 @@
 \let\@openbib@code\@empty
 \newenvironment{theindex}
   {\if@twocolumn\@restonecolfalse\else\@restonecoltrue\fi
-   \columnseprule\z@ \columnsep 35\p@
    \twocolumn[\@makeschapterhead{\indexname}]%
    \@mkboth{\indexname}{\indexname}%
    \thispagestyle{jpl@in}\parindent\z@
    \parskip\z@ \@plus .3\p@\relax
+   \columnseprule\z@ \columnsep 35\p@
    \let\item\@idxitem}
   {\if@restonecol\onecolumn\else\clearpage\fi}
 \newcommand{\@idxitem}{\par\hangindent 40\p@}
@@ -861,36 +895,45 @@
 \newcommand{\indexspace}{\par \vskip 10\p@ \@plus5\p@ \@minus3\p@\relax}
 \renewcommand{\footnoterule}{%
   \kern-3\p@
-  \hrule width .4\columnwidth
-  \kern 2.6\p@}
+  \hrule\@width.4\columnwidth
+  \kern2.6\p@}
 \@addtoreset{footnote}{chapter}
 \newcommand\@makefntext[1]{\parindent 1\zw
-  \noindent\hbox to 2\zw{\hss\@makefnmark}#1}
-\newif\if西暦 \西暦false
+  \noindent\hb@xt@ 2\zw{\hss\@makefnmark}#1}
+\newif\if西暦 \西暦true
 \def\西暦{\西暦true}
 \def\和暦{\西暦false}
 \newcount\heisei \heisei\year \advance\heisei-1988\relax
-\def\today{{%
-  \ifnum\ltjgetparameter{direction}=3
-    \if西暦
-      \kansuji\year å¹´
-      \kansuji\month 月
-      \kansuji\day 日
+\def\pltx@today@year@#1{%
+  \ifnum\numexpr\year-#1=1 元\else
+    \ifnum\ltjgetparameter{direction}=3
+      \kansuji\numexpr\year-#1\relax
     \else
-      平成\ifnum\heisei=1 元年\else\kansuji\heisei 年\fi
-      \kansuji\month 月
-      \kansuji\day 日
+      \number\numexpr\year-#1\relax\nobreak
     \fi
+  \fi å¹´
+}
+\def\pltx@today@year{%
+  \ifnum\numexpr\year*10000+\month*100+\day<19890108
+    昭和\pltx@today@year@{1925}%
+  \else\ifnum\numexpr\year*10000+\month*100+\day<20190501
+    平成\pltx@today@year@{1988}%
   \else
-    \if西暦
-      \number\year~å¹´
-      \number\month~月
-      \number\day~日
-    \else
-      平成\ifnum\heisei=1 元年\else\number\heisei~年\fi
-      \number\month~月
-      \number\day~日
-    \fi
+    令和\pltx@today@year@{2018}%
+  \fi\fi}
+\def\today{{%
+  \if西暦
+    \ifnum\ltjgetparameter{direction}=3 \kansuji\year
+    \else\number\year\nobreak\fi å¹´
+  \else
+    \pltx@today@year
+  \fi
+  \ifnum\ltjgetparameter{direction}=3
+    \kansuji\month 月
+    \kansuji\day 日
+  \else
+    \number\month\nobreak 月
+    \number\day\nobreak 日
   \fi}}
 \newcommand{\prepartname}{第}
 \newcommand{\postpartname}{部}
@@ -907,6 +950,8 @@
 \pagestyle{headings}
 \pagenumbering{arabic}
 \raggedbottom
+\fnfixbottomtrue % 2017-02-19
+\IfFileExists{stfloats.sty}{\RequirePackage{stfloats}\fnbelowfloat}{}
 \if@twocolumn
   \twocolumn
   \sloppy
@@ -915,6 +960,8 @@
 \fi
 \normalmarginpar
 \@mparswitchfalse
+\AtBeginOfPackageFile*{ftnright}{\let\ltjt@orig@@makefntext=\@makefntext}
+\AtEndOfPackageFile*{ftnright}{\let\@makefntext=\ltjt@orig@@makefntext}
 \endinput
 %%
 %% End of file `ltjtbook.cls'.