The below is a version of gloss-japanese.ldf without using a copied code from book.cls.
This produces 「章丿1」 instead of 「第1章」.
gloss-japanese.ldf の version とほぼ同じだけれど、book.cls からコピーしないタイプも作ってみた。
これは「第1章」が「章丿1」とかになる。
% Original version was written by Toru Inagaki for babel.sty % Modified for polyglossia by Norio Iwase with some additional features % Version 0.2.1n \ProvidesFile{gloss-japanese.ldf}[polyglossia: module for japanese] \makeatletter \def\japanese@font{% \@ifundefined{japanesefont}{% \font\zf@basefont="\csname zf@family@fontdef\f@family\endcsname" at \f@size pt}{\japanesefont}} \def\selectnormalfontjapanese{% \let\normalfont=\japanese@font% \let\rmfamily=\japanese@font% \let\sffamily=\japanese@font% \let\ttfamily=\japanese@font% \def\reset@font{\normalfont}} \ifx\l@japanese\@undefined \xpg@nopatterns{Japanese} \adddialect\l@japanese0 \fi \def\captionsjapanese{% \def\refname{\textjapanese{出典}}% \def\abstractname{\textjapanese{概要}}% \def\bibname{\textjapanese{参考文献}}% \def\prefacename{\textjapanese{序文}}% \def\chaptername{\textjapanese{章 ノ}}% \def\appendixname{\textjapanese{付録}}% \def\contentsname{\textjapanese{目次}}% \def\listfigurename{\textjapanese{図目次}}% \def\listtablename{\textjapanese{表目次}}% \def\indexname{\textjapanese{索引}}% \def\figurename{\textjapanese{図}}% \def\tablename{\textjapanese{表}}% %\def\thepart{\textjapanese{}}% \def\partname{\textjapanese{部 ノ}}% \def\pagename{\textjapanese{頁}}% \def\seename{\textjapanese{参照}}% \def\alsoname{\textjapanese{参照}}% \def\enclname{\textjapanese{添付}}% \def\ccname{\textjapanese{同報}}% \def\headtoname{\textjapanese{宛先}}% \def\proofname{\textjapanese{証明}}% \def\glossaryname{\textjapanese{用語集}}% } \newif\if@WameiReki \@WameiRekifalse% \newif\if@WameiTosi \@WameiTosifalse% \newif\if@WameiTuki \@WameiTukifalse% \newif\if@WameiHi \@WameiHifalse% \newif\if@IzumoTuki \@IzumoTukifalse% \newcount\WameiTosi@Tens \newcount\WameiTosi@Ones \XeTeXlinebreaklocale "ja"% \XeTeXlinebreakskip = 0em plus 0.1em minus 0.01em% \XeTeXlinebreakpenalty = 0 \def\datejapanese{{% \ifnum\year<1868 \xdef\the@WarekiCur{}% \else\ifnum\year<1912 \xdef\the@WarekiCur{明治} \advance\year-1867\relax% \else\ifnum\year<1926 \xdef\the@WarekiCur{大正} \advance\year-1911\relax% \else\ifnum\year<1989 \xdef\the@WarekiCur{昭和} \advance\year-1925\relax% \else\xdef\the@WarekiCur{平成} \advance\year-1988\relax\fi\fi\fi\fi% \xdef\the@WameiTosi{\the\year}% \WameiTosi@Ones=\the@WameiTosi \WameiTosi@Tens=\the@WameiTosi% \divide\WameiTosi@Tens by 10\relax% \multiply\WameiTosi@Tens by 10\relax% \advance\WameiTosi@Ones by -\WameiTosi@Tens\relax% \divide\WameiTosi@Tens by 10\relax% \xdef\the@WameiTositens{\number\WameiTosi@Tens}% \xdef\the@WameiTosiones{\number\WameiTosi@Ones}% } \def\西暦{\@WameiRekifalse \@WameiTukifalse \@WameiHifalse}% \def\和暦{\@WameiRekitrue \@WameiTosifalse \@WameiTukifalse \@WameiHifalse}% \def\和名暦{\@WameiTositrue \@WameiTukitrue \@WameiHitrue}% \def\数字暦{\@WameiTosifalse \@WameiTukifalse \@WameiHifalse}% \def\出雲月{\@IzumoTukitrue}% \def\大和月{\@IzumoTukifalse}% \def\today{\textjapanese{\hspace{-.67em}% \if@WameiReki\the@WarekiCur\if@WameiTosi\ifcase\the@WameiTositens\or 十\or 廿\or 卅\or 四十\or 五十\or 六十\or 七十\or 八十\or 九十\fi\ifcase\the@WameiTosiones\or 一\or 二\or 三\or 四\or 五\or 六\or 七\or 八\or 九\fi\else\,\the@WameiTosi\fi\else\number\year\,\fi{年}\,% \if@WameiTuki\ifcase\month\or 睦月\or 如月\or 弥生\or 卯月\or 皐月\or 水無月\or 文月\or 葉月\or 長月\or \if@IzumoTuki 神在月\else 神無月\fi \or 霜月\or 師走\fi\else \number\month\,{月}\fi\,% \if@WameiHi\ifcase\day\or 一\or 二\or 三\or 四\or 五\or 六\or 七\or 八\or 九\or 十\or 十一\or 十二\or 十三\or 十四\or 十五\or 十六\or 十七\or 十八\or 十九\or 廿\or 廿一\or 廿二\or 廿三\or 廿四\or 廿五\or 廿六\or 廿七\or 廿八\or 廿九\or 卅 \or 卅一\fi\else\number\day\,\fi{日}}}% } \def\japanese@language{\protect\language=\l@japanese} \setlocalhyphenmins{japanese}{2}{2}%