%%%%%%%% fonts
\usepackage{luatexja-otf}
+\directlua{luatexja.otf.enable_ivs()}
\usepackage[no-math]{fontspec}
\setmainfont[Ligatures=TeX]{Linux Libertine O}
\setmonofont[Scale=MatchLowercase, ItalicFont=lmmono10-italic.otf,
%<*en>
\paragraph{Greek and Cyrillic letters, and ISO~8859-1 symbols}
By default, \LuaTeX-ja uses Japanese fonts to typeset Greek and Cyrillic letters,
- To change this behavior,
+ To change this behavior,
put \verb!\ltjsetparameter{jacharrange={-2,-3}}! in the preamble.
For the detailed description, see Subsection~\ref{ssec-setrange}.
If so, please execute a batch file which is written on
\href{https://osdn.jp/projects/luatex-ja/wiki/FrontPage%28en%29}{ the Project Wiki (English)}.
This batch file creates a temporary directory, copy CMaps in it,
-run a test file which loads \LuaTeX-ja in this directory,
+run a test file which loads \LuaTeX-ja in this directory,
and finally delete the temporary directory.
%</en>
%<*ja>
%<*en>
\item For defining a Japanese font family, use
\cs{DeclareKanjiFamily} instead of
- \cs{DeclareFontFamily}. (In previous version of \LuaTeX-ja,
+ \cs{DeclareFontFamily}. (In previous version of \LuaTeX-ja,
using \cs{DeclareFontFamily} didn't cause any problem. But this no longer applies
the current version.)
\item Defining a Japanese font shape can be done by usual \cs{DeclareFontShape}:
%<ja>\subsection{\Pkg{luatexja-fontspec}パッケージ}
\label{ssec-fontspec}
%<*en>
-To use the functionality of the \Pkg{fontspec} package to Japanese fonts,
+To use the functionality of the \Pkg{fontspec} package to Japanese fonts,
it is needed to load the \Pkg{luatexja-fontspec} package in the preamble, as follows:
\begin{quote}
\ttfamily \textbackslash usepackage[<options>]\{luatexja-fontspec\}
%<*en>
One can load the \Pkg{luatexja-preset}
-package to use several ``presets'' of Japanese fonts.
+package to use several ``presets'' of Japanese fonts.
This package provides functions in a part of
\Pkg{japanese-otf} package and a part of \Pkg{PXchfon} package by Takayuki Yato.
This option is ignored when \Pkg{luatexja-fontspec} package is loaded.
When this option is specified, \Pkg{fontspec}~and~\Pkg{luatexja-fontspec} are
-\emph{not} loaded by default. Nevertheless,
+\emph{not} loaded by default. Nevertheless,
the package\Pkg{fontspec} can coexist with the option, as the following:
\begin{lstlisting}
\usepackage{fontspec}
このオプションが指定されると，「\pLaTeXe 新ドキュメントクラス」のように\
\cs{rmfamily}, \verb+\textrm{...}+, \cs{sffamily} 等が
欧文フォントだけでなく和文フォントも変更するようになる．
-\ \texttt{fontspec}\
+\ \texttt{fontspec}\
オプションが有効になっている場合は，このオプションは \Pkg{luatexja-fontspec} パッケージへと渡される．
%</ja>
\item[bold]
%<*en>
Substitute bold series of \textit{gothic} for bold series of \textit{mincho}.
-If \texttt{nodeluxe} option is enabled, medium series of \textit{gothic} is also changed,
+If \texttt{nodeluxe} option is enabled, medium series of \textit{gothic} is also changed,
since we use same font for both series of \textit{gothic}.
%</en>
%<*ja>
\item \texttt{U+0180}--\texttt{U+024F}: Latin Extended-B
\item \texttt{U+0250}--\texttt{U+02AF}: IPA Extensions
\item \texttt{U+02B0}--\texttt{U+02FF}: Spacing Modifier Letters
-%<en>\par\
+%<en>\par\
\item \texttt{U+0300}--\texttt{U+036F}: \\*\null\hfill Combining Diacritical Marks
\item \texttt{U+1E00}--\texttt{U+1EFF}: \\*\null\hfill Latin Extended Additional
%<ja>\par\
%<*en>
\paragraph{Notes on \texttt{U+0080}--\texttt{U+00FF}}
-You should treat characters in \\texttt{U+0080}--\texttt{U+00FF} as \textbf{ALchar},
+You should treat characters in \\texttt{U+0080}--\texttt{U+00FF} as \textbf{ALchar},
when you use traditional 8-bit fonts, such as the \Pkg{textcomp} package or the
\Pkg{marvosym} package.
Similarly, \cs{Frowny} which is provided by the \Pkg{marvosym} package has
the same codepoint as \S\ (\text{U+00A7}).
Hence, as previous versions of \LuaTeX-ja, if these characters are treated as
-\text{JAchar}s, then \cs{textparagraph} produces ``ltjjachar`¶'' (in a Japanese font),
+\text{JAchar}s, then \cs{textparagraph} produces ``ltjjachar`¶'' (in a Japanese font),
and \cs{Frowny} produces ``\ltjjachar`§'' (in a Japanese font).
To avoid such situations, the default setting of \LuaTeX-ja is changed in this release
sets\cs{catcode} of several characters to 11, via setting \cs{XeTeXcharclass}.
However, this latter half does not exist (plain case), or not executed (\LaTeX~case) in \LuaTeX.
\end{itemize}
-In other words,
+In other words,
\begin{description}
\item[plain \LuaTeX]
Kanji nor kana characters cannot be used in
\paragraph{\texttt{ltjksp} 指定}
\label{pg:ltjksp}
\LuaTeX-ja標準では，
-JFM中における \texttt{kanjiskip\_natural}, \texttt{kanjiskip\_stretch},\
+JFM中における \texttt{kanjiskip\_natural}, \texttt{kanjiskip\_stretch},\
\texttt{kanjiskip\_shrink}キー（\pageref{pg:ksp_nat}ページ）の使用によって，
「JFM由来のグルーの他に，\Param{kanjiskip}の自然長/伸び量/縮み量の一部が
同じ場所に挿入される」という状況が起こりうる．
kanjiskip\_stretch=<num>\textrm{, }kanjiskip\_shrink=<num>]\leavevmode
These keys specifies the amount of the natural width of \Param{kanjiskip}
-(the stretch/shrink part, respectively) which will be inserted
+(the stretch/shrink part, respectively) which will be inserted
in addition to the original JFM glue. Default values of them are all 0.
As an example, in \texttt{jfm-ujis.lua}, the standard JFM in horizontal writing, we have
as much as the stretch part of \Param{kanjiskip} times the value of
\texttt{kanjiskip\_stretch} key (1 in this case).
\item Between an ideographic closeing brackets (the ideographic comma ``，''
- is included) and an ordinal letter, we have the same glue.
+ is included) and an ordinal letter, we have the same glue.
Again, this glue also can be stretched
as much as the stretch part of \Param{kanjiskip} times the value of
\texttt{kanjiskip\_stretch} key (1 in this case).
%</ja>
\begin{itemize}
%<*en>
-\item ``\ast'' : values at the end of a paragraph or a hbox are
+\item ``$\ast$'' : values at the end of a paragraph or a hbox are
adopted in the whole paragraph or the whole hbox.
%</en>
%<*ja>
-\item ``\ast''：段落やhboxの終端での値がその段落／hbox全体で用いられる．
+\item ``$\ast$''：段落やhboxの終端での値がその段落／hbox全体で用いられる．
%</ja>
%<*en>
\item ``\dagger'': assignments are always global.
+ d_{\text{あ}} - d_{\text{M}},
\]
where $h_{a}$~and~$d_{a}$ denote the height of ``$a$'' and the depth, respectively.
-In \LuaTeX-ja, this \cs{adjustbaseline} does same task, namely setting the
+In \LuaTeX-ja, this \cs{adjustbaseline} does similar task, namely setting the
\Param{talbaselineshift} parameter.
+If the \LaTeX\ is 2015/10/01 release or later, \LuaTeX-ja use a Japanese
+character whose character class is zero, instead of `あ'.
%</en>
%<*ja>
\pLaTeXe では，\cs{adjustbaseline} は縦組時に「M」と「あ」の中心線を一致させるために，
\LuaTeX-jaにおいても\cs{adjustbaseline} は同様に\Param{talbaselineshift}パラメータの調整処
理を行っている．
-同時に，これも\pLaTeXe の \cs{adjustbaseline} で行われていたが，
-「漢」の寸法を元に，（本節の最初に述べた，小文字で始まる）\cs{cht}, \cs{cwd} といった長さ変数を設定する．
+同時に，これも\pLaTeXe の \cs{adjustbaseline} で同様の処理が行われていたが，
+「漢」の寸法を元に（本節の最初に述べた，小文字で始まる）\cs{cht}, \cs{cwd}
+といった長さ変数を設定する．
+
+なお，\LaTeX が2015/10/01 版以降の場合は，「あ」「漢」の代わりに
+「文字クラス0の和文文字」を用いる．
%</ja>
\item[\cs{fontfamily}\{<family>\}]
\item If the \Pkg{luatexja-fontspec} package is loaded, we stop here, and <family> is not
recognized as a Japanese font family.
- If the \Pkg{luatexja-fontspec} package is \emph{not} loaded,
+ If the \Pkg{luatexja-fontspec} package is \emph{not} loaded,
now \LuaTeX-ja looks whether there exists a Japanese font encoding~<enc> such that
a font definition named \texttt{<enc><family>.fd} (the file name is
- all lowercase) exists. If so, <family> is recognized as a Japanese font family (the font definition file won't be loaded here).
- If not, <family> is not a Japanese font family, and
+ all lowercase) exists. If so, <family> is recognized as a Japanese font family (the font definition file won't be loaded here).
+ If not, <family> is not a Japanese font family, and
<family> is appended to the list~$N_{\mathrm{J}}$.
%</en>
%<*ja>
%<*en>
\paragraph{Recognition as alphabetic font family}
Next, whether alphabetic font family will be changed is determined in following order.
-We use auxiliary lists $F_{\mathrm{A}}$~and~$N_{\mathrm{A}}$,
+We use auxiliary lists $F_{\mathrm{A}}$~and~$N_{\mathrm{A}}$,
%</en>
%<*ja>
\paragraph{欧文フォントファミリとしての認識}
\begin{enumerate}
%<*en>
-\item If the family~<family> has been listed in a list~$F_{\mathrm{A}}$,
+\item If the family~<family> has been listed in a list~$F_{\mathrm{A}}$,
<family> is recognized as an alphabetic font family.
%</en>
%<*ja>
\item Now \LuaTeX-ja looks whether there exists an alphabetic font encoding~<enc> such that
a font definition named \texttt{<enc><family>.fd} (the file name is
all lowercase) exists. If so, current alphabetic font family will be changed to
- <family>~(the font definition file won't be loaded here).
+ <family>~(the font definition file won't be loaded here).
If not, current alphabetic font family won't be changed, and
<family> is appended to the list~$N_{\mathrm{A}}$.
%</en>
%<*en>
The above order is very similar to \cs{fontfamily} in \pLaTeXe, but more complicated (clause~3.).
-This is because \pLaTeXe\ is a \emph{format} however \LuaTeX-ja is not,
+This is because \pLaTeXe\ is a \emph{format} however \LuaTeX-ja is not,
hence \LuaTeX-ja does not know calls of \cs{DeclareFontFamily} \emph{before} itself is
loaded.
%</en>
%<*ja>
\pageref{pg:ltjksp}ページで説明した \verb+\jfont+ 中での \texttt{ltjksp} 指定と
同一の効力を持ち，
-JFM中における \texttt{kanjiskip\_natural}, \texttt{kanjiskip\_stretch},\
+JFM中における \texttt{kanjiskip\_natural}, \texttt{kanjiskip\_stretch},\
\texttt{kanjiskip\_shrink}キー（\pageref{pg:ksp_nat}ページ）の有効/無効を切り替える．
標準値は \texttt{true} である．
%</ja>
正しく半角幅で組むために利用されている．
%</ja>
-\directlua{luatexja.otf.enable_ivs()}
%<*en>
\paragraph{IVS support}
Recent fonts support Ideographic Variation Selector (IVS).
It seems that \Pkg{luaotfload} and \Pkg{fontspec} packages do not support
IVS, so we implemented IVS support in \Pkg{luatexja-otf}.
\emph{IVS support by the \Pkg{luatexja-otf} package is experimental.
-If this feature is enabled with current \LuaTeX\ (not with LuaJIT\TeX),
-we cannot use any OpenType feature, including {\tt vert}~and~{\tt vrt2},
-in vertical writing mode. If you want to enable IVS support nevertheless, load
+If you want to enable IVS support, load
\Pkg{luatexja-otf} and execute the following:}
%</en>
%<*ja>
\medskip
-\emph{\Pkg{luatexja-otf}によるIVS対応は試験的なものである．現行の\LuaTeX
-でIVS対応を一旦有効にすると，縦組時に句読点などが横組用字形のままで組版されたり，
-\Pkg{luaotfload}によるOpenType
-featureが（\texttt{vert},~\texttt{vrt2}を含め）一切効かないといった
-不具合がある\footnote{なぜかLuaJIT\TeX では大丈夫である．}．}
-そのような不具合を知りながら有効にするには，
+\emph{\Pkg{luatexja-otf}によるIVS対応は試験的なものである．
+有効にするには，
\Pkg{luatexja-otf}パッケージを読み込んだ上で以下の命令を実行する%
-\footnote{この命令を2回以上実行しても意味がない．}：
+\footnote{この命令を2回以上実行しても意味がない．}：}
%</ja>
\begin{lstlisting}
\directlua{luatexja.otf.enable_ivs()}
Considering these situations, handling of an end-of-line in \LuaTeX-ja are as follows:
\begin{quote}
-A character \texttt{U+FFFFF} (its category code is set to 14~(\textit{comment}) by
+A character \cs{ltjlineendcomment} (default: \texttt{\textbackslash ltjlineendcomment="FFFFF},
+i.e. \texttt{U+FFFFF}; its category code is set to 14~(\textit{comment}) by
\LuaTeX-ja) is appended to an input line, \emph{before \LuaTeX\ actually
process it}, if and only if the following three conditions are satisfied:
\begin{enumerate}
\item The category code of \cs{endlinechar}%
\footnote{Usually, it is $\langle$\textit{return}$\rangle$
(whose character code is 13).} is 5~(\textit{end-of-line}).
-\item The category code of \texttt{U+FFFFF} itself is 14~(\textit{comment}).
+\item The category code of \cs{ltjlineendcomment} itself is 14~(\textit{comment}).
\item The input line matches the following ``regular expression'':
\[
(\text{any char})^*(\textbf{JAchar})
\item When line~3 is processed by \texttt{process\_input\_buffer} callback,
``あ'' is considered as an \textbf{JAchar}.
Since line~3 ends with an \textbf{JAchar},
-the comment character \texttt{U+FFFFF} is appended to this line,
+the comment character \cs{ltjlineendcomment} is appended to this line,
and hence the linebreak immediately after this line is ignored.
\item When line~4 is processed by \texttt{process\_input\_buffer} callback,
``い'' is considered as an \textbf{ALchar}.
\begin{quote}
各入力行に対し，\emph{その入力行が読まれる前の内部状態で}
-以下の3条件が満たされている場合，\LuaTeX-jaは\texttt{U+FFFFF}の文字
-\footnote{この文字はコメント文字として扱われるように\LuaTeX-ja内部で設定をしている．}
+以下の3条件が満たされている場合，\LuaTeX-jaは\cs{ltjlineendcomment}の文字
+\footnote{デフォルトでは\texttt{\textbackslash ltjlineendcomment="FFFFF}，
+ つまり\texttt{U+FFFFF}が挿入される．この文字はコメント文字として扱われるように
+ \LuaTeX-ja内部で設定をしている．}
を末尾に追加する．よって，その場合に改行は空白とは見做されないこととなる．
\begin{enumerate}
\item \cs{endlinechar}の文字\footnote{普通は，改行文字（文字コード13番）である．}
のカテゴリーコードが5~(\textit{end-of-line})である．
-\item \texttt{U+FFFFF}のカテゴリーコードが14~(\textit{comment})である．
+\item \cs{ltjlineendcomment}のカテゴリーコードが14~(\textit{comment})である．
\item 入力行は次の「正規表現」にマッチしている：
\[
(\text{any char})^*(\textbf{JAchar})
\begin{itemize}
\item 3行目を \texttt{process\_input\_buffer} で処理する時点では，
「あ」は\textbf{JAchar}（和文扱い）である．よって3行目は\textbf{JAchar}で終わることになり，
- コメント文字 \texttt{U+FFFFF} が追加される．
+ コメント文字\cs{ltjlineendcomment}が追加される．
よって，直後の改行文字は無視されることになり，空白は入らない．
\item 4行目を \texttt{process\_input\_buffer} で処理する時点では，
「い」は\textbf{ALchar}である．よって4行目は\textbf{ALchar}で終わることになり，
%<*en>
In \LuaTeX-ja, the problem is resolved by using the \verb+process_input_buffer+ callback.
-The callback function inserts the output command (active character \texttt{U+FFFFF})
+The callback function inserts the output command (active character \cs{ltjlineendcomment})
before each letter above \texttt{U+0080}.
This method can omits the process to make all Japanese characters active
(most of the activated characters are not used in many cases).
%<*ja>
\LuaTeX-jaでは，\verb+process_input_buffer+ コールバックを利用することで，
「各行に出現する\texttt{U+0080}以降の文字に対して，それらの出力命令を前置する」
-という方法をとっている．出力命令としては，アクティブ文字化した \texttt{U+FFFFF} を用いている．
+という方法をとっている．出力命令としては，アクティブ文字化した\cs{ltjlineendcomment}を用いている．
これにより，（入力には使用されていないかもしれない）和文文字をもすべてアクティブ化する手間もなく，
見通しが良い実装になっている．
%</ja>
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