\usepackage{luatexja}
\DeclareFontShape{JY3}{mc}{m}{n}{<-> s*[0.92489] file:ipaexm.ttf:jfm=ujis}{}
\DeclareFontShape{JY3}{gt}{m}{n}{<-> s*[0.92489] file:ipaexg.ttf:jfm=ujis}{}
+% quick hack: monospaced Japanese font by \ttfamily
+\DeclareKanjiFamily{JY3}{\ttdefault}{}{}
+\DeclareFontShape{JY3}{\ttdefault}{m}{n}{<-> s*[0.92489] file:ipaexg.ttf:jfm=mono}{}
%%% for LTXexample environment
\usepackage{showexpl,lltjlisting}
\lstset{basicstyle=\ttfamily, width=0.3\textwidth}
-%%% for logo
-\usepackage{mflogo}
+
+\usepackage{mflogo,booktabs}
%%% Verbatim environment
\usepackage{fancyvrb}
This package is based on \LaTeXe\ and |fontspec| package.
\item |luajp-test| package\cite{luajp-test}, a test package made by Atsuhito Kohda, based on articles on the web page~\cite{joylua}.
\end{itemize}
-% ltja: hassan boushi
+
\subsection{Development Policy of \LuaTeX-ja}
-\label{ssec-pol}
-The first aim of the project is to implement features of p\TeX as macros under \LuaTeX, so \LuaTeX-ja is much affected by p\TeX.
-However, as the development proceeds, some technical/conceptual difficulties are arised. Hence we changed the aim of the project:
+\label{ssec-pol}
+The first aim of the project is to implement features (from the
+''primitive'' level) of p\TeX as macros under \LuaTeX, so \LuaTeX-ja is
+much affected by p\TeX. However, as the development proceeds, some
+technical/conceptual difficulties are arised. Hence we changed the aim
+of the project.
\begin{itemize}
\item\emph{\LuaTeX-ja offers more flexibility of typesetting than that by
p\TeX.}
- There is JIS~X~4051 Japanese Standard, ...
- However, we think that the ability of producing outputs conformed to JIS~X~4051 is not enough for (Japanese) typesetting;
- the \TeX\ engine can handle the case even when one wants to produce very incoherent output for some reason.
- In this point, we can say p\TeX has some flexibility, hence \LuaTeX-ja should have more.
+ We think that the ability of producing outputs conformed to
+ JIS~X~4051~\cite{jisx4051}, the Japanese Industrial Standard for
+ typesetting, is not enough; if one wants to produce very
+ incoherent outputs for some reason, it should be possible.
+In this point, previous attempts of Japanese typesetting with \LuaTeX\
+ which we cited in the previous subsection are inadequate.
- For this reason, \LuaTeX-ja has counterparts of additional primitives of p\TeX.
+p\TeX has some flexibility of typesetting, by changing internal
+ parameters such as |\kanjiskip| or |\prebreakpenalty|, and by using
+ custom JFM (Japanese TFM). ...
\item\emph{\LuaTeX-ja isn't mere re-implementation or porting of p\TeX;
some (technically and/or conceptually) inconvenient features of
For implementing features into \LuaTeX-ja, we had to use some tricks in Lua scripts.
In Section~4, we describe several these tricks and internal processing methods.
-We hope that the materials in this section, espcially
-Subsection~4.3, have good applications.
+We hope that the materials in this section have good applications.
\section{Major differences with \pTeX}
In this section, we breifly look at ** major differences between p\TeX\ and \LuaTeX-ja.
+For genral information of Japanese typesetting and the facts about p\TeX, please see Okumara~\cite{ptexjp}.
+
\subsection{Names of Control Sequences}
-Since p\TeX\ is a modification of a \TeX\ engine, some primitives added in it takes a form that cannot be simulated by a macro.
-For example, an additional primitive |\prebreakpenalty|$\langle\hbox{\it
-char\_code}\rangle$|=|$\langle\hbox{\it penalry}\rangle$ in p\TeX\ sets the
-amount of penalty inserted before $\langle\hbox{\it char\_code}\rangle$
-to $\langle\hbox{\it penalry}\rangle$.
+\label{ssec-csname}
+Since p\TeX\ is a engine modification of Knuth's original \TeX82 engine,
+some primitives added in it takes a form that cannot be simulated by a
+macro. For example, an additional primitive
+|\prebreakpenalty|$\langle\hbox{\it
+char\_code}\rangle$|[=]|$\langle\hbox{\it penalty}\rangle$ in p\TeX\ sets
+the amount of penalty inserted before $\langle\hbox{\it
+char\_code}\rangle$ to $\langle\hbox{\it penalty}\rangle$, and |\prebreakpenalty|$\langle\hbox{\it
+char\_code}\rangle$ can be also used for retrieving the value.
Moreover, there are some parameters for Japanese typesetting which were
mere internal integers, dimensions, or~skips in p\TeX\ that cannot be
implemented by same approaches in \LuaTeX-ja. These parameters have a
-common feature; the values at the end of a horizontal box or that of a
-paragraph are effective in whole box or apragraph. A good example of
+common point; the values at the end of a horizontal box or that of a
+paragraph are effective in whole box or paragraph. A good example of
them is |\kanjiskip|, the default amount of a skip which will be
inserted between two consecutive Japanese characters by default. The
reason of this is the place of |hpack_filter| in the \LuaTeX's
Subsection~\ref{ssec-stack}.
From above 2~problems we discussed above, the assignment and retrieval
-of most parameters in \LuaTeX-ja are summarize into 3~control sequences:
+of most parameters in \LuaTeX-ja are summarized into 3~control sequences:
\begin{itemize}
\item |\ltjsetparameter{|$\langle\hbox{\it
name}\rangle$|=|$\langle\hbox{\it value}\rangle$|,...}|: for local
assignment.
-\item |\ltjglobalsetparameter|: for global assignment.
+\item |\ltjglobalsetparameter|: for global assignment. These two control
+ sequences obey the value of |\globaldefs| primitive.
\item |\ltjgetparameter{|$\langle\hbox{\it
name}\rangle$|}[{|$\langle\hbox{\it optional
argument}\rangle$|}]|: for retrieval. The returned value is always
a string.
\end{itemize}
-\subsection{Linebreak after Japanese Character}
+\subsection{Linebreak after a Japanese Character}
\label{ssec-line}
+
Japanese texts can linebreak almost everywhere, in contrast with
-alphabetic texts can linebreak only between on words (or use
+alphabetic texts can linebreak only between words (or use
hyphenation). Hence, p\TeX's input processor is modified so that a
linebreak after a Japanese character doesn't emit a space. However,
-there is no way to customize the input processor of \LuaTeX. All we can
-do is that modify an input line before when \LuaTeX\ begin to process
-it, using |process_input_buffer| callback.
+there is no way to customize the input processor of \LuaTeX, other than
+hack its CWEB-source. All we can do is to modify an input line before
+when \LuaTeX\ begin to process it, inside the |process_input_buffer|
+callback.
Hence, in \LuaTeX-ja, a comment letter (we reserve U+FFFFF for this
purpose) will be appended to an input line, if this ends with a Japanese
character\footnote{Strictly speaking, it also requires that the catcode
-of the endline character is 5.}. One might jump to a conclusion that the
-treatment of linebreaks by p\TeX and that of \LuaTeX-ja is very similar,
+of the endline character is 5~(\emph{end-of-line}). This condition is useful under the
+verbatim environment.}. One might jump to a conclusion that the
+treatment of a linebreak by p\TeX\ and that of \LuaTeX-ja is totally same,
but they are different in the respect that \LuaTeX-ja's judgement
whether a comment letter will be appended the line is done \emph{before}
-the line is processed by \LuaTeX.
+the line is actually processed by \LuaTeX.
Figure~\ref{fig-linebreak} shows an example; the command at the first
line marks most of Japanese characters as ``non-Japanese character''. In
-other words, from this command onward, the letter `あ' will not be
-received any process of \LuaTeX-ja. Then, it is natural to occur a space
-between `あ' and `y' in the output, where the actual output does not so.
-This is because `あ' is considered to be a Japanese character by
-\LuaTeX-ja, when \LuaTeX-ja look the end of the input line~2.
+other words, from this command onward, the letter `あ' will be treated
+as an alphabetic character by \LuaTeX-ja. Then, it is natural to occur a
+space between `あ' and `y' in the output, where the actual output in the figure does
+not so. This is because `あ' is considered to be a Japanese character
+by \LuaTeX-ja, when \LuaTeX-ja does a decision whether U+FFFFF will be added to the input line~2.
\begin{figure}
\begin{LTXexample}
\font\x=IPAMincho \x
\end{figure}
\subsection{Separation between ``real'' fonts and Metrics}
+\label{ssec-sepmet}
+
Traditionally, most Japanese fonts used in typesetting are monospaced,
-that is, most glyphs have same size and square-shaped. Hence, it is not
-rare that the contents of different Japanese TFMs (JFM, for short) are
-totally same, and only differ in their names. For example, the
+that is, most glyphs have same size (in most cases,
+square-shaped). Hence, it is not rare that the contents of different
+JFMs are totally same, and only differ in their names. For example, the
difference between |min10.tfm| and |goth10.tfm|, which are JFMs shipped
-with p\TeX\ for \emph{Mincho} and \emph{Gothic} fonts, are their
-|FAMILY| and |FACE| only. Another example is: if one want to use many
-fonts which are not installed in his \TeX\ distribution, of course he
-needs to prepare TFMs for them. But, as long as he wants to use Japanese
-fonts with p\TeX, he has to only copy and rename some JFM (\emph{e.g.,}~copy |jis.tfm| to |hoge.tfm|).
+with p\TeX\ for seriffed \emph{mincho} family and sans-seriffed
+\emph{gothic} family, are their |FAMILY| and |FACE| only. Moreover,
+|jis.tfm| and |jisg.tfm|, which consists a parts of \emph{jis} font
+metric which is used in Haruhiko Okumura's
+\emph{jsclasses}~\cite{jsclasses}, are totally same as binary files.
+Another example is: if one want to use many fonts which are not
+installed in his \TeX\ distribution, of course he needs to prepare TFMs
+for them. But, as long as he wants to use Japanese fonts with p\TeX, he
+has to only copy and rename some JFM (\emph{e.g.},~copy |jis.tfm| to
+|hoge.tfm|).
Considering this situation, we decided to separate ``real'' fonts and
-Metrics in \LuaTeX-ja, as shown in Figure~\ref{fig-jfdef};
+metrics in \LuaTeX-ja, as shown in Figure~\ref{fig-jfdef};
\begin{itemize}
\item a control sequence |\jfont| must be used for japanese fonts, instead of |\font|.
\item \LuaTeX-ja automatically loads the |luaotfload| package, so
Figure~\ref{fig-jfdef}.
\item The |jfm| key specifies the metric for the font. In
Figure~\ref{fig-jfdef}, both fonts will use a metric stored in a Lua script named
- |jfm-ujis.lua|.
+ |jfm-ujis.lua|. This metric is the standard metric in \LuaTeX-ja, and is based on JFMs used in the \emph{otf} package~\cite{otf}.
\item The |psft:| prefix can be used to specify name-only, noembedded
fonts.
\end{itemize}
\jfont\foo=file:ipaexm.ttf:jfm=ujis;script=latn;-kern;+jp04 at 12pt
\jfont\bar=psft:Ryumin-Light:jfm=ujis at 10pt
\end{verbatim}
-\caption{Typical declarations of Japanese fonts}
+\caption{Typical declarations of Japanese fonts.}
\label{fig-jfdef}
\end{figure}
-\subsection{Insertion of Kerns and/or Glues for Japanese Typesetting: The Timing}
+\subsection{Insertion of Kerns and/or Glues for Japanese Typesetting: the Timing}
As described in \cite{luatexref}, \LuaTeX's kerning and ligaturing
-process is totally different from that of Knuth's original \TeX82.
-\TeX82's process is done just when a (sequence of) character node is
-appended to current list, hence we can cancel this process by writing
-|f{}irm| (this gives `f\hbox{}irm' in \TeX82). However, \LuaTeX's process is
+process is totally different from that of \TeX82.
+\TeX82's process is done just when a (sequence of) character is appended
+to current list. Thus we can interrupt this process by writing |f{}irm|
+(this gives `f\hbox{}irm' in \TeX82). However, \LuaTeX's process is
\emph{node-based}, that is, the process will be done when a horizontal
box of a paragraph is ended, so |f{}irm| and |firm| yield the same
output under \LuaTeX.
-The situation for Japanese characters is basically same, but not entirely.
-Glues (and kerns) those will be needed for Japanese typesetting will be divided into the following three categories:
+The situation for Japanese characters is basically same, but not
+entirely. Glues (and kerns) those will be needed for Japanese
+typesetting will be divided into the following three categories:
\begin{description}
-\item[Glues (and Kerns) from the Metric of Japanese Fonts]
-\item[Default Skip Between a Japanese Character and an Alphabetic Character]
-Usually 1/4 of fullwidth with some stretch and shrink.
-\item[Default Skip Between Two Consecutive Japanese Characters]
+\item[Glue (or Kern) from the Metric of Japanese Fonts]
+\item[Default Glue Between a Japanese Character and an Alphabetic Character]
+Usually 1/4 of fullwidth with some stretch and shrink for justifying each line.
+\item[Default Glue Between Two Consecutive Japanese Characters]
+The main reason of this glue is to enable line-breaking almost everywhere in Japanese texts. In most cases, its natural width is zero, and
+some stretch/shrink for justifying each line.
\end{description}
In p\TeX, these three kinds of glues are treated differently. The first
- category (\emph{JFM glue}, for short) is inserted when a Japanese
- character node is appended to current list, same as alphabetic
- characters in \TeX82. The second category (\emph{xkanjiskip}, for
+ category (\emph{JFM glue}, for short) is inserted when a (sequence of)
+ Japanese character is appended to current list, same as alphabetic
+ characters in \TeX82. This means that one can interrupt the insertion
+ process by saying |{}|. The second category (\emph{xkanjiskip}, for
short) is inserted just before `hpack' or line-breaking of a paragraph;
this timing is somewhat similar to that of \LuaTeX's kerning
process. The third category (\emph{kanjiskip}, for short) is not
- appeared as a node anywhere; only appears implicitly in calculation of
- width of a horizontal box of line-breaking. These specifications made
+ appeared as a node anywhere; only appears implicitly in calculation of the
+ width of a horizontal box or that of linebreaking. These specifications made
p\TeX's behavior very hard to understand.
-\LuaTeX-ja does the insertion process of glues in all three categories
-simultaneously, inside |hpack_filter| and |pre_linebreak_filter|
-callbacks. The reasons of this specification are to behave like
-alphabetic characters in \LuaTeX\ (as described in the first paragraph),
-and to clarify the specification for \LuaTeX-ja's process.
+\LuaTeX-ja inserts glues in all three categories simultaneously inside
+|hpack_filter| and |pre_linebreak_filter| callbacks. The reasons of
+this specification are to behave like alphabetic characters in \LuaTeX\
+(as described in the first paragraph), and to clarify the specification
+for \LuaTeX-ja's process.
+
+\subsection{Insertion of Kerns and/or Glues for Japanese Typesetting: the Spec}
+\begin{figure}
+\begin{center}
+\begin{tabular}{llllllll}
+\toprule
+&\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}&\multicolumn{1}{c}{(3)}&\multicolumn{1}{c}{(4)}\\
+Input &|あ】{}【〙\/〘| &|い』\/a| &|う）\hbox{}（| &|え］\special{}［|\\\midrule
+p\TeX &あ】\hbox{}【〙\hbox{}〘&い』\/a &う）\hbox{}（ &え］\hbox{}［\\
+\LuaTeX-ja &あ】{}【〙\/〘 &い』\/a &う）\hbox{}（ &え］\special{}［\\
+\bottomrule
+\end{tabular}
+\end{center}
+\caption{Examples of differences between p\TeX\ and \LuaTeX-ja,}
+\label{fig-jfmglue}
+\end{figure}
+
+\begin{figure}
+\begin{center}
+\fontsize{40}{40}\selectfont\fboxsep=0mm
+\fbox{\vrule width0pt height\cht depth\cdp あ}%
+\fbox{\vrule width0pt height\cht depth\cdp 】\inhibitglue}%
+\fbox{\vrule width0pt height\cht depth\cdp\kern.5\zw}%
+\fbox{\vrule width0pt height\cht depth\cdp\kern.5\zw}%
+\fbox{\vrule width0pt height\cht depth\cdp\hbox{}\inhibitglue【}%
+\fbox{\vrule width0pt height\cht depth\cdp 〙\inhibitglue}%
+\fbox{\vrule width0pt height\cht depth\cdp\kern.5\zw}%
+\fbox{\vrule width0pt height\cht depth\cdp\kern.5\zw}%
+\fbox{\vrule width0pt height\cht depth\cdp \hbox{}\inhibitglue〘}%
+\end{center}
+\caption{Detail of (1) in Figure~\ref{fig-jfmglue}.}
+\label{fig-ptexjfm}
+\end{figure}
+Now we will take a look inside the insertion process itself.
-\subsection{Insertion of Kerns and/or Glues for Japanese Typesetting: The Behavior}
+\begin{description}
+\item[Ignored Nodes]
+As noted in the previous subsection, the insertion process in p\TeX\ is
+ interrupted by saying |{}| or anything else. This leads the
+ second row in Figure~\ref{fig-jfmglue}, or
+ Figure~\ref{fig-ptexjfm}. ``The process is interrupted'' means that p\TeX\
+ does not think the letter `】\inhibitglue' is followed by `\inhibitglue【', hence two
+ half-width glues are inserted between between `】\inhibitglue' and `\inhibitglue【',
+ where one is from `】\inhibitglue' and another is from `\inhibitglue【'.
+
+
+ On the other hand, in \LuaTeX-ja, the process is done inside
+ |hpack_filter| and |pre_linebreak_filter| callbacks. Hence,
+ \emph{anything that does not make any nodes will be
+ ignored,}\ in \LuaTeX-ja, as shown in (1) in
+ Figure~\ref{fig-jfmglue}. \LuaTeX-ja also ignores any nodes
+ which does not make any contribution to current horizontal
+ list---\emph{ins\_node}, \emph{adjust\_node},
+ \emph{mark\_node}, \emph{whatsit\_node} and
+ \emph{penalty\_node}---, as shown in (4).
+
+By the way, around a \emph{glyph\_node} $p$ there may be some nodes
+ attached to $p$. These are an accent and kerns for
+ positioning it, and kerns from italic correction for $p$, and
+ it is natural that these attachments should be ignored in the
+ process. Hence \LuaTeX-ja takes this approach, as the latest
+ version of p\TeX\ (p3.2). This explains (2) in the figure.
+
+Summerizing, to
+
+\item[Fonts with the Same Metric]
+Recall that \LuaTeX-ja separated ``real'' fonts and metrics, as in Subsection~\ref{ssec-sepmet}.
+Consider the following input, where we assume that all Japanese fonts
+ use same metric, and |\gt| selects \emph{gothic} family:
+\begin{quote}
+\begin{verbatim}
+明朝）\gt （ゴシック
+\end{verbatim}
+\end{quote}
+If the above input is processed by p\TeX, since the insertion process is
+ interrupt by |\gt|, the result looks like
+\begin{quote}
+\mc 明朝）\hbox{}\gt （ゴシック
+\end{quote}
+But this is unnatural, since two Japanese fonts in the output uses the
+same metric, \emph{i.e.}, the same typesetting rule. Hence, we decided
+that Japanese fonts with the same metric are treated as one font in the
+insertion process of \LuaTeX-ja. Thus, the output from the above input
+in \LuaTeX-ja is:
+\begin{quote}
+\mc 明朝）\gt （ゴシック
+\end{quote}
+\end{description}
\section{Current Status of the Development}
-\LuaTeX-ja
+At the moment, \LuaTeX-ja can be used under plain \TeX, and under
+\LaTeXe. Generally speaking, one has to read |luatexja.sty|, by
+|\input| command or |\usepackage|~(\LaTeXe) if you merely want to typeset Japanese character.
+We look more detail by parts.
+
+\subsection{``Engine Extension''}
+The lowest part of \LuaTeX-ja corresponds the p\TeX\ extension as
+\emph{\TeX\ engine}. The development of \LuaTeX-ja is started from this
+part. We, the project menbers, think that this part is almost
+done. Other features of \LuaTeX-ja which we have not described are the
+followings:
+\begin{description}
+\item[Adjusting the baseline of alphabetic characters and/or Japanese characters]
+
+\item[Setting the range of ``Japanese characters''] This feature is
+ inspired by up\TeX. up\TeX\ has an additional primitive named
+ |\kcatcode| for setting a character is treated as alphabetic
+ charaacter, \emph{kana}, \emph{kanji}, \emph{Hangul},
+ or~\emph{other CJK character}, and the assignment of
+ |\kcatcode| can be done by a block of Unicode\footnote{There
+ are some exceptions. For example, U+FF00--FFEF (Halfwidth and
+ Fullwidth Forms) are divided into three blocks in up\TeX.}.
+
+\LuaTeX-ja uses a slightly different approach. Because there are many Unicode
+ blocks in Basic Multilingual Plane which are not included in
+ most Japanese fonts, ...
+Furthermore, the basic Japanese character set JIS~X~0208 are not just
+ union of Unicode blocks. For example, the intersection of
+ JIS~X~0208 and Latin-1 Supplement consists of the following
+ characters:
+Considering these two points, ...
+
+\end{description}
+Note that \LuaTeX-ja doesn't support for vertical typesetting, \emph{tategaki}, for now.
+
+\subsection{Patches for plain \TeX\ and \LaTeXe}
+p\TeX\ has patches for plain \TeX, namely |ptex.tex|, that for \LaTeXe\
+macro (this patch and \LaTeXe\ consist \emph{p\LaTeXe}), and
+|kinsoku.tex| which includes the default setting of \emph{kinsoku
+shori}, the Japanese hyphenation. We ported them to \LuaTeX-ja, except
+the codes related to vertical typesetting. We remark two points related to the porting:
+\begin{description}
+\item[The Default Ranges of Japanese Characters]
+
+
+\item[The behavior of\/ {\tt\char92fontfamily\/} command]
+The |\fontfamily| command in p\LaTeXe\ changes the current alphabetic
+ font family and/or the current Japanese font family,
+ depending the argument. More concretely,
+ |\fontfamily{|$\langle\hbox{\it arg\/}\rangle$|}| changes the
+ current alphabetic font family to $\langle\hbox{\it
+ arg\/}\rangle$, if and only if one of the following
+ conditions are satisfied:
+\begin{itemize}
+\item Alphabetic font family named $\langle\hbox{\it arg\/}\rangle$ in
+ \emph{some} alphabetic encoding already defined in the document.
+\item There exists an alphabetic encoding $\langle\hbox{\it
+ enc\/}\rangle$ already defined in the document such that a font
+ definition file $\langle\hbox{\it enc\/}\rangle\langle\hbox{\it
+ arg\/}\rangle$|.fd| exists.
+\end{itemize}
+The same criterion is used for changing Japanese font family.
+
+To make possible this behavior, one has to create a list of already
+ defined alphabetic encodings. Hence it works in p\LaTeXe, ...
+However, since \LuaTeX-ja is loaded as a package, it will not
+ work. Hence \LuaTeX-ja adopted different approach, namely
+ |\fontfamily{|$\langle\hbox{\it arg\/}\rangle$|}| changes the
+ current alphabetic font family to $\langle\hbox{\it
+ arg\/}\rangle$, if and only if:
+\begin{itemize}
+\item Alphabetic font family named $\langle\hbox{\it arg\/}\rangle$ in the current alphabetic encoding $\langle\hbox{\it enc\/}\rangle$.
+\item A font definition file $\langle\hbox{\it enc\/}\rangle\langle\hbox{\it
+ arg\/}\rangle$|.fd| exists.
+\end{itemize}
+
+
+\end{description}
+
+
+
+\subsection{Classes for Japanese Documents}
+To produce ``high-quality'' Japanese documents, we need not only that
+Japanese characters are correctly placed, but also class files for
+Japanese documents. In p\TeX, there are two major families of classes:
+\emph{jclasses} which is distributed with the official p\LaTeXe\ macros,
+and \emph{jsclasses}~\cite{jsclasses} which has developed by Haruhiko
+Okumura and now widely used in Japanese \TeX\ users. At the present,
+\LuaTeX-ja simply contains their counterparts: \emph{ltjclasses} and
+\emph{ltjsclasses}. However, the policy on classess is not determined
+now, and we hope to have another family of classes which are useful in
+commercial printing. In the author's opinion, \emph{ltjclasses} is
+better to stay as an example of porting of class files for \pTeX\ to
+\LuaTeX-ja.
+
\section{Implementation}
\subsection{Handling of Japanese Fonts}
In p\TeX, there are three slots for maintaining current fonts, namely
|\font| for alphabetic fonts, |\jfont| for Japanese font (in horizontal
-direction) and |\tfont| for Japanese font (in vertical direction). With these slots, we can select
-current font for alphabetic characters and that for Japanese characters separately in p\TeX.
-However, \LuaTeX\ has only one slot for maintaining current font, as \TeX82.
-This situation leads a problem: how can we maintain ``current Japanese font''?
+direction) and |\tfont| for Japanese font (in vertical direction). With
+these slots, we can select the current font for alphabetic characters
+and that for Japanese characters separately in p\TeX. However, \LuaTeX\
+has only one slot for maintaining the current font, as \TeX82. This
+situation leads a problem: how can we maintain the ``current Japanese
+font''?
There are three approaches for this problem. One approach is to make a
mapping table from alphabetic fonts to corresponding Japanese fonts
(here we don't assume that NFSS2 is available), and when current
-alphabetic font is changed, current Japanese font also changes according
-to the table. Another approach is that we always use composite fonts
-with alphabetic fonts and Japanese fonts. The third approach is that the
-information of current Japanese font is stored in an attribute. We
-adopted the third approach, since \LuaTeX-ja is much affected by p\TeX\
-as we noted in Subsection~\ref{ssec-pol}.
-
+alphabetic font is changed, the current Japanese font also changes
+according to the table. Another approach is that we always use
+composite fonts with alphabetic fonts and Japanese fonts. The third
+approach is that the information of the current Japanese font is stored
+in an attribute. We adopted the third approach, since \LuaTeX-ja is much
+affected by p\TeX\ as we noted in Subsection~\ref{ssec-pol}.
+As in Figure~\ref{fig-jfdef}, \LuaTeX-ja uses |\jfont| for defining
+Japanese font, as p\TeX. However, since the information of the current
+Japanese font is stored into an attribute, control sequences defined by
+|\jfont| (\emph{e.g.},~|\foo| and |\bar| in Figure~\ref{fig-jfdef}) is
+not representing a font by the means of original \TeX. In other words,
+these control sequence cannot be an argument of |\the| or |\textfont|, and they are just an assignments to an attribute, in fact.
\subsection{Overview of the Processes}
Now we describe an outline of the \LuaTeX-ja's process briefly.
\begin{description}
\item[Treatment of Linebreaks after Japanese Characters] We described
- this already at Subsection~\ref{ssec-line}. Registered in the
+ this already at Subsection~\ref{ssec-line}. Done in the
|process_input_buffer| callback.
\item[Font Replacement] In the |hyphenate| callback, we looks into for
each \textit{glyph\_node}~$p$. If its character is considered
To adjust size/places of Japanese characters, \LuaTeX-ja encapsules a
\textit{glyph\_node} which containing a Japanese character
into a horizontal box which size is specified in the metric.
+As the case of `\inhibitglue ｛', a half-widthed horizontal box
\end{description}
\subsection{Stack Management}
\label{ssec-stack}
-\LuaTeX-ja has a lot of parameters for Japanese typesetting.
+
+As we noted on Subsection~\ref{ssec-csname}, parameters that the values
+at the end of a horizontal box or that of a paragraph are effective in
+whole box or paragraph cannot be implemented by internal integers or
+other types. We explain it in this section.
+
+
\subsection*{About the Project}
\subsection*{Acknowledgements}
\bibitem{luatexref}
\textbf{The \LuaTeX reference}
+\bibitem{jsclasses}
+Haruhiko Okumura\ (奥村晴彦), \textbf{pLaTeX2e 新ドキュメントクラス}\ (in Japanese). \url{http://oku.edu.mie-u.ac.jp/~okumura/jsclasses/}
+
+\bibitem{ptexjp}
+Haruhiko Okumura\ (奥村晴彦), \textbf{p\TeX\ and Japanese Typesetting}, The Asian Journal of \TeX\ \textbf{2}~(2008), 43--51.
+
+
\end{thebibliography}
\end{document}
--- /dev/null
+%%
+%% Copyright (C) 2010 The Korean TeX Society.
+%%
+%% This program is free software; you can redistribute it and/or modify
+%% it under the terms of the GNU General Public License as published by
+%% the Free Software Foundation; either version 2 of the License, or
+%% (at your option) any later version.
+%%
+%% This program is distributed in the hope that it will be useful,
+%% but WITHOUT ANY WARRANTY; without even the implied warranty of
+%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+%% GNU General Public License for more details.
+%%
+%% You should have received a copy of the GNU General Public License
+%% along with this program; if not, write to the Free Software
+%% Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+%%
+\NeedsTeXFormat{LaTeX2e}[1999/12/01]
+\ProvidesClass{ajt}
+ [2010/12/31 v0.73 The Asian Journal of TeX Class]
+\let\ExecuteOptions@ltx\ExecuteOptions
+\def\ExecuteOptions#1{%
+ \ExecuteOptions@ltx{a4paper,10pt,twoside,onecolumn,final}%
+}%
+\LoadClassWithOptions{article}
+\let\ExecuteOptions\ExecuteOptions@ltx
+\def\normal@body@spread{1.069}
+\def\normal@info@spread{1.0}
+\def\normalbodyspread{\linespread{\normal@body@spread}\selectfont}
+\linespread{\normal@body@spread}
+%%%
+%%% korean option: use ko.TeX for Korean typesetting (default: english)
+%%% ptexjs option: use pTeX (jsclasses appearance) for Japanese typesetting (default: english)
+%%% dvips option: use dvips instead of dvipdfmx, xetex or pdftex
+%%% print option: final version (default: preprint)
+%%% reprint option: print option without crop (default: preprint)
+%%% koreanabstract option: abstract is korean not english (default: english)
+%%% ptexjsabstract option: abstract is japanese (jsclasses appearance) not english (default: english)
+%%%
+\newif\if@korean\@koreanfalse
+\newif\if@ptexjs\@ptexjsfalse
+\newif\if@print\@printfalse
+\newif\if@reprint\@reprintfalse
+\newif\if@korabstract\@korabstractfalse
+\newif\if@ptexjsabstract\@ptexjsabstractfalse
+\def\tpd@driver{pdftex}
+\def\dps@driver{dvips}
+\def\dpx@driver{dvipdfmx}
+\def\xtx@driver{xetex}
+%%%
+\RequirePackage{ifpdf}
+\ifpdf
+ \let\@dvi@driver\tpd@driver
+\else
+ \expandafter\ifx\csname XeTeXrevision\endcsname\relax
+ \let\@dvi@driver\dpx@driver
+ \else
+ \let\@dvi@driver\xtx@driver
+ \fi
+\fi
+%%%
+\DeclareOption{korean}{\@koreantrue\@ptexjsfalse}
+\DeclareOption{ptexjs}{\@ptexjstrue\@koreanfalse}
+\DeclareOption{dvips}{\let\@dvi@driver\dps@driver}
+\DeclareOption{print}{\@printtrue\@reprintfalse}
+\DeclareOption{reprint}{\@printtrue\@reprinttrue}
+\DeclareOption{koreanabstract}{\@korabstracttrue\@ptexjsabstractfalse}
+\DeclareOption{ptexjsabstract}{\@ptexjsabstracttrue\@korabstractfalse}
+\ProcessOptions
+%%%
+\setlength\paperwidth{170mm}
+\setlength\paperheight{254mm}
+\setlength\textwidth{132mm}
+\setlength\oddsidemargin{-6.4mm}
+\setlength\evensidemargin\oddsidemargin
+\if@print\if@reprint\else% for final printing only
+ \addtolength\oddsidemargin{1.5mm}
+ \addtolength\evensidemargin{-1.5mm}
+\fi\fi
+\setlength\textheight{210mm}
+\setlength\headheight{12pt}
+\setlength\headsep{14pt}
+\setlength\topmargin{-10mm}
+\setlength\footskip{24pt}
+%%%
+%%% AJT use CM math fonts, not mathpazo.sty
+%%%
+\ifx\@dvi@driver\xtx@driver % XeTeX
+ \if@print
+ \RequirePackage{fontspec,xunicode}
+ \RequirePackage[no-sscript]{xltxtra}
+ \setmainfont[Mapping=tex-text]{Palatino LT Std}
+ \setsansfont[Mapping=tex-text]{Optima LT Std}
+ \else
+ \RequirePackage{fontspec,xunicode,xltxtra}
+ \fi
+\else % pdfTeX, DVIPDFMx, DVIPS
+ \renewcommand\rmdefault{ppl} % URW Palatino
+ \if@print
+ \renewcommand\sfdefault{pop} % Adobe Optima
+ %\renewcommand\sfdefault{uop} % URW Classico (Optima clone)
+ \fi
+ \if@korean
+ \renewcommand\bfdefault{b}
+ \fi
+\fi
+%%%
+\ifx\@dvi@driver\dpx@driver
+ \RequirePackage[dvipdfmx]{color,graphicx}
+ \RequirePackage[unicode,dvipdfmx]{hyperref}
+\else
+ \RequirePackage{color,graphicx}
+ \ifx\@dvi@driver\xtx@driver
+ \RequirePackage{hyperref}
+ \else
+ \RequirePackage[unicode]{hyperref}
+ \fi
+\fi
+\if@print\setkeys{Hyp}{nolinks=true}\fi
+%%%
+\RequirePackage{calc}
+\RequirePackage{amsmath}
+\RequirePackage{textcomp}
+%%%
+\if@print\if@reprint\else
+ \IfFileExists{crop.sty}
+ {\ifx\@dvi@driver\tpd@driver% pdftex
+ \RequirePackage[a4,center,cam,pdftex!]{crop}%
+ \else% dvips or dvipdfmx or xetex
+ \RequirePackage[a4,center,cam,dvips!]{crop}%
+ \fi
+ }{}
+\fi\fi
+\if@korean
+ \ifx\@dvi@driver\xtx@driver % XeTeX
+ \RequirePackage{xetexko}
+ \if@print
+ \setmainhangulfont[
+ BoldFont={YoonMyungjo Medium},
+ Mapping=tex-text, Renderer=ICU,
+ preperiodkern={-.3ex}, precommakern={-.3ex}
+ ]{YoonMyungjo Light}
+ \setsanshangulfont[
+ BoldFont={YoonGothic Medium},
+ Mapping=tex-text, Renderer=ICU,
+ preperiodkern={-.1ex}, precommakern={-.1ex}
+ ]{YoonGothic Light}
+ \setmonohangulfont[
+ BoldFont={YoonGothic Medium},
+ Mapping=tex-text, Renderer=ICU
+ ]{YoonGothic Light}
+ \fi
+ \linespread{\normal@body@spread}
+ \hangulquotes
+ \else
+ \RequirePackage[utf,finemath]{kotex}
+ \RequirePackage[default]{dhucs-interword}
+ \if@print
+ \RequirePackage[gremphhangul=yngt,gremphhanja=yngt]{dhucs-gremph}
+ \usehangulfontspec{yn}
+ \SetHangulFonts{ynmj}{yngt}{yngt}
+ \SetHanjaFonts{ynmj}{yngt}{yngt}
+ \DeclareFontFamily{LUC}{grem}{\hyphenchar \font\m@ne}
+ \DeclareFontShape{LUC}{grem}{m}{n}{<-> LUC * o\GrEmphFont l}{}
+ \DeclareFontShape{LUC}{grem}{m}{it}{<-> LUC * o\GrEmphFont l}{}
+ \DeclareFontShape{LUC}{grem}{m}{sl}{<-> LUC * o\GrEmphFont l}{}
+ \DeclareFontFamily{LUC}{gremhj}{\hyphenchar \font\m@ne}
+ \DeclareFontShape{LUC}{gremhj}{m}{n}{<-> LUC * o\GrEmphHanjaFont l}{}
+ \DeclareFontShape{LUC}{gremhj}{m}{it}{<-> LUC * o\GrEmphHanjaFont l}{}
+ \DeclareFontShape{LUC}{gremhj}{m}{sl}{<-> LUC * o\GrEmphHanjaFont l}{}
+ \else
+ \RequirePackage{dhucs-gremph}
+ \usehangulfontspec{ut}
+ \SetHangulFonts{utmj}{utgt}{utgt}
+ \SetHanjaFonts{utmj}{utgt}{utgt}
+ \fi
+ \fi
+ \def\korean@body@spread{1.35}
+ \def\korean@info@spread{1.15}
+ \def\koreanbodyspread{\linespread{\korean@body@spread}\selectfont}
+ \def\koreaninfospread{\linespread{\korean@info@spread}\selectfont}
+ \renewcommand{\figurename}{그림}
+ \renewcommand{\tablename}{표}
+ \newcommand\hcntdot{\nobreak\mbox{$\cdot$}}
+ \newcommand\cntrdot{\kern.2em\hcntdot\nobreak\hskip.2em}
+ \newcommand\cntrdots{\kern.2em\hcntdot\nobreak\hskip.2em\hcntdot\nobreak\hskip.2em\hcntdot\nobreak\hskip.4em}
+ \ifx\@dvi@driver\xtx@driver % XeTeX
+ \newcommand\cnm[1]{〈#1〉}
+ \newcommand\ccnm[1]{《#1》}
+ \newcommand\snm[1]{「#1」}
+ \newcommand\bnm[1]{『#1』}
+ \else
+ \newcommand\cnm[1]{\kern-.10em〈#1〉\kern-.10em}
+ \newcommand\ccnm[1]{\kern-.198em《#1》\kern-.198em}
+ \newcommand\snm[1]{\kern-.10em「#1」\kern-.10em}
+ \newcommand\bnm[1]{\kern-.20em『#1』\kern-.20em}
+ \fi
+\else\if@ptexjs
+ \DeclareFontShape{JY1}{mc}{m}{n}{<-> s * [0.961] jis}{}
+ \DeclareFontShape{JY1}{gt}{m}{n}{<-> s * [0.961] jisg}{}
+ \DeclareFontShape{JT1}{mc}{m}{n}{<-> s * [0.961] tmin10}{}
+ \DeclareFontShape{JT1}{gt}{m}{n}{<-> s * [0.961] tgoth10}{}
+ %
+ \DeclareFontShape{JY1}{mc}{m}{it}{<->ssub*mc/m/n}{}
+ \DeclareFontShape{JY1}{mc}{m}{sl}{<->ssub*mc/m/n}{}
+ \DeclareFontShape{JY1}{mc}{m}{sc}{<->ssub*mc/m/n}{}
+ \DeclareFontShape{JY1}{gt}{m}{it}{<->ssub*gt/m/n}{}
+ \DeclareFontShape{JY1}{gt}{m}{sl}{<->ssub*gt/m/n}{}
+ \DeclareFontShape{JY1}{mc}{bx}{it}{<->ssub*gt/m/n}{}
+ \DeclareFontShape{JY1}{mc}{bx}{sl}{<->ssub*gt/m/n}{}
+ \DeclareFontShape{JT1}{mc}{m}{it}{<->ssub*mc/m/n}{}
+ \DeclareFontShape{JT1}{mc}{m}{sl}{<->ssub*mc/m/n}{}
+ \DeclareFontShape{JT1}{mc}{m}{sc}{<->ssub*mc/m/n}{}
+ \DeclareFontShape{JT1}{gt}{m}{it}{<->ssub*gt/m/n}{}
+ \DeclareFontShape{JT1}{gt}{m}{sl}{<->ssub*gt/m/n}{}
+ \DeclareFontShape{JT1}{mc}{bx}{it}{<->ssub*gt/m/n}{}
+ \DeclareFontShape{JT1}{mc}{bx}{sl}{<->ssub*gt/m/n}{}
+ \DeclareRobustCommand\rmfamily
+ {\not@math@alphabet\rmfamily\mathrm
+ \romanfamily\rmdefault\kanjifamily\mcdefault\selectfont}
+ \DeclareRobustCommand\sffamily
+ {\not@math@alphabet\sffamily\mathsf
+ \romanfamily\sfdefault\kanjifamily\gtdefault\selectfont}
+ \DeclareRobustCommand\ttfamily
+ {\not@math@alphabet\ttfamily\mathtt
+ \romanfamily\ttdefault\kanjifamily\gtdefault\selectfont}
+ \def\textmc#1{\relax\ifmmode\hbox\fi{\mcfamily #1}}
+ \def\textgt#1{\relax\ifmmode\hbox\fi{\gtfamily #1}}
+ \def\ptexjs@body@spread{1.333}
+ \def\ptexjs@info@spread{1.15}
+ \def\ptexjsbodyspread{\linespread{\ptexjs@body@spread}\selectfont}
+ \def\ptexjsinfospread{\linespread{\ptexjs@info@spread}\selectfont}
+ \renewcommand{\figurename}{図}
+ \renewcommand{\tablename}{表}
+ \renewcommand{\appendixname}{付録}
+ \prebreakpenalty\jis"2147=10000 % 5000 ’
+ \postbreakpenalty\jis"2148=10000 % 5000 “
+ \prebreakpenalty\jis"2149=10000 % 5000 ”
+ \inhibitxspcode`〒=2
+ \xspcode`+=3
+ \xspcode`\%=3
+ \xspcode`^^80=3
+ \xspcode`^^81=3
+ \xspcode`^^82=3
+ \xspcode`^^83=3
+ \xspcode`^^84=3
+ \xspcode`^^85=3
+ \xspcode`^^86=3
+ \xspcode`^^87=3
+ \xspcode`^^88=3
+ \xspcode`^^89=3
+ \xspcode`^^8a=3
+ \xspcode`^^8b=3
+ \xspcode`^^8c=3
+ \xspcode`^^8d=3
+ \xspcode`^^8e=3
+ \xspcode`^^8f=3
+ \xspcode`^^90=3
+ \xspcode`^^91=3
+ \xspcode`^^92=3
+ \xspcode`^^93=3
+ \xspcode`^^94=3
+ \xspcode`^^95=3
+ \xspcode`^^96=3
+ \xspcode`^^97=3
+ \xspcode`^^98=3
+ \xspcode`^^99=3
+ \xspcode`^^9a=3
+ \xspcode`^^9b=3
+ \xspcode`^^9c=3
+ \xspcode`^^9d=3
+ \xspcode`^^9e=3
+ \xspcode`^^9f=3
+ \xspcode`^^a0=3
+ \xspcode`^^a1=3
+ \xspcode`^^a2=3
+ \xspcode`^^a3=3
+ \xspcode`^^a4=3
+ \xspcode`^^a5=3
+ \xspcode`^^a6=3
+ \xspcode`^^a7=3
+ \xspcode`^^a8=3
+ \xspcode`^^a9=3
+ \xspcode`^^aa=3
+ \xspcode`^^ab=3
+ \xspcode`^^ac=3
+ \xspcode`^^ad=3
+ \xspcode`^^ae=3
+ \xspcode`^^af=3
+ \xspcode`^^b0=3
+ \xspcode`^^b1=3
+ \xspcode`^^b2=3
+ \xspcode`^^b3=3
+ \xspcode`^^b4=3
+ \xspcode`^^b5=3
+ \xspcode`^^b6=3
+ \xspcode`^^b7=3
+ \xspcode`^^b8=3
+ \xspcode`^^b9=3
+ \xspcode`^^ba=3
+ \xspcode`^^bb=3
+ \xspcode`^^bc=3
+ \xspcode`^^bd=3
+ \xspcode`^^be=3
+ \xspcode`^^bf=3
+ \xspcode`^^c0=3
+ \xspcode`^^c1=3
+ \xspcode`^^c2=3
+ \xspcode`^^c3=3
+ \xspcode`^^c4=3
+ \xspcode`^^c5=3
+ \xspcode`^^c6=3
+ \xspcode`^^c7=3
+ \xspcode`^^c8=3
+ \xspcode`^^c9=3
+ \xspcode`^^ca=3
+ \xspcode`^^cb=3
+ \xspcode`^^cc=3
+ \xspcode`^^cd=3
+ \xspcode`^^ce=3
+ \xspcode`^^cf=3
+ \xspcode`^^d0=3
+ \xspcode`^^d1=3
+ \xspcode`^^d2=3
+ \xspcode`^^d3=3
+ \xspcode`^^d4=3
+ \xspcode`^^d5=3
+ \xspcode`^^d6=3
+ \xspcode`^^d7=3
+ \xspcode`^^d8=3
+ \xspcode`^^d9=3
+ \xspcode`^^da=3
+ \xspcode`^^db=3
+ \xspcode`^^dc=3
+ \xspcode`^^dd=3
+ \xspcode`^^de=3
+ \xspcode`^^df=3
+ \xspcode`^^e0=3
+ \xspcode`^^e1=3
+ \xspcode`^^e2=3
+ \xspcode`^^e3=3
+ \xspcode`^^e4=3
+ \xspcode`^^e5=3
+ \xspcode`^^e6=3
+ \xspcode`^^e7=3
+ \xspcode`^^e8=3
+ \xspcode`^^e9=3
+ \xspcode`^^ea=3
+ \xspcode`^^eb=3
+ \xspcode`^^ec=3
+ \xspcode`^^ed=3
+ \xspcode`^^ee=3
+ \xspcode`^^ef=3
+ \xspcode`^^f0=3
+ \xspcode`^^f1=3
+ \xspcode`^^f2=3
+ \xspcode`^^f3=3
+ \xspcode`^^f4=3
+ \xspcode`^^f5=3
+ \xspcode`^^f6=3
+ \xspcode`^^f7=3
+ \xspcode`^^f8=3
+ \xspcode`^^f9=3
+ \xspcode`^^fa=3
+ \xspcode`^^fb=3
+ \xspcode`^^fc=3
+ \xspcode`^^fd=3
+ \xspcode`^^fe=3
+ \xspcode`^^ff=3
+ \def\@{\spacefactor3000\space}
+ \let\footnotes@ve=\footnote
+ \def\footnote{\inhibitglue\footnotes@ve}
+ \let\footnotemarks@ve=\footnotemark
+ \def\footnotemark{\inhibitglue\footnotemarks@ve}
+ \def\@inhibitglue{%
+ \futurelet\@let@token\@@inhibitglue}
+ \def\@@inhibitglue{%
+ \ifx\@let@token「
+ \inhibitglue
+ \else
+ \ifx\@let@token（
+ \inhibitglue
+ \else
+ \ifx\@let@token『
+ \inhibitglue
+ \else
+ \ifx\@let@token［
+ \inhibitglue
+ \fi
+ \fi
+ \fi
+ \fi}
+ \let\everyparhook=\@inhibitglue
+ \setlength\parskip{0\p@}
+ \setlength\parindent{1zw}
+ \let\@startsection@orig\@startsection
+ \def\@startsection{\@afterindenttrue\@startsection@orig}
+ \AtBeginDocument{\everypar{\everyparhook}}
+\else
+ \IfFileExists{microtype.sty}{\RequirePackage[protrusion=true,expansion=false]{microtype}}{}
+\fi\fi
+%%%
+\definecolor{linkcolour}{rgb}{0,0.2,0.6}
+\hypersetup{colorlinks,breaklinks,
+ linkcolor=linkcolour,citecolor=linkcolour,
+ filecolor=linkcolour, urlcolor=linkcolour}
+\IfFileExists{switcheml.sty}
+ {\RequirePackage{switcheml}
+ \AtBeginDocument{\@ifx@undefined{\typesetemail}{\obfuscateemail}{}}}
+ {\AtBeginDocument{\@ifx@undefined{\typesetemail}{\hyperlinkemail}{}}}
+\renewcommand\maketitle{\par
+ \ifajt@noabstract\else
+ \@ifx@undefined{\ajt@info@Abstract}
+ {\ClassError{ajt}
+ {Please specify an \string\abstract\space before \string\maketitle}
+ {It is a Asian Journal of TeX requirement to include an abstract. \MessageBreak
+ \MessageBreak
+ If you have exceptional reasons for not having one in this \MessageBreak
+ article, write \string\noabstract\space somewhere before \string\maketitle.}}{}
+ \fi
+ \begingroup
+ \renewcommand\thefootnote{\@fnsymbol\c@footnote}%
+ \def\@makefnmark{\rlap{\@textsuperscript{\normalfont\@thefnmark}}}%
+ \long\def\@makefntext##1{\parindent 1em\noindent
+ \hb@xt@1.8em{%
+ \hss\@textsuperscript{\normalfont\@thefnmark}}##1}%
+ \newpage
+ \global\@topnum\z@ % Prevents figures from going at top of page.
+ \@maketitle
+ \thispagestyle{titlepage}\@thanks
+ \endgroup
+ \setcounter{footnote}{0}%
+ \global\let\thanks\relax
+ \global\let\maketitle\relax
+ \global\let\@maketitle\relax
+ \global\let\title\relax
+ \global\let\author\relax
+ \global\let\date\relax
+ \global\let\and\relax
+ \if@korean\koreanbodyspread\fi
+ \if@ptexjs\ptexjsbodyspread\fi
+}%
+\def\@maketitle{%
+ \newpage
+ \null
+ \write@ID@aux\read@issue
+ \begin{flushleft}
+ \let\footnote\thanks
+ \begingroup
+ \LARGE\@title
+ \ifx\@empty\@etitle\else
+ \settowidth\@tempdima{\@title}%
+ \settowidth\@tempdimb{\@etitle}%
+ \advance\@tempdima\@tempdimb
+ \ifdim\@tempdima>\textwidth\\[-0.1\baselineskip]\noindent\thinspace
+ \vtop{%
+ \setlength\hsize{\textwidth-2em}%
+ \normalbodyspread\large\@etitle}
+ \else\enspace
+ {\normalbodyspread\large\@etitle}
+ \fi
+ \fi\par
+ \endgroup
+ \vspace{24pt}%
+ \@tempcnta\z@\loop\ifnum\@tempcnta<\value{num@author}\@makeauthors\repeat
+ \end{flushleft}
+ \ajt@optional@author@info
+ \vspace{12pt}
+ \ajt@info@container{Keywords}
+ \ifajt@noabstract\else
+ \vspace{12pt}%
+ \ajt@info@container{Abstract}
+ \fi
+ \vspace{24pt}}
+\def\@makeauthors{%
+ \advance\@tempcnta\@ne
+ \def\@author{{\large\csname @author\the\@tempcnta\endcsname}}%
+ \def\@eauthor{{\normalsize\csname @eauthor\the\@tempcnta\endcsname}}%
+ \def\@address{\csname @address\the\@tempcnta\endcsname}%
+ \def\@email{\csname @email\the\@tempcnta\endcsname}%
+ \begin{minipage}[t]{\ifnum\value{num@author}>1 0.5\fi\textwidth}
+ \small
+ \@author
+ \ifx\@empty\@eauthor\else\enspace\@eauthor\fi
+ \\[0.3\baselineskip]
+ \ifx\@empty\@address\else
+ \settowidth\@tempdima{\@address}%
+ \@address
+ \ifdim\@tempdima>0.5\textwidth\\\else\enspace\fi
+ \fi
+ \ifx\@empty\@email\else\typesetemail\@email\fi
+ \end{minipage}\hfill
+ \ifodd\@tempcnta\else\par\vspace{\baselineskip}\fi
+}
+\newcounter{num@author}\setcounter{num@author}{0}
+\renewcommand*{\title}[2][]{\gdef\@etitle{#1}\gdef\@title{#2}}
+\renewcommand*{\author}[2][]{%
+ \stepcounter{num@author}%
+ \expandafter\gdef\csname @eauthor\thenum@author\endcsname{#1}%
+ \expandafter\gdef\csname @author\thenum@author\endcsname{#2}%
+}
+\newcommand*{\address}[1]{%
+ \expandafter\gdef\csname @address\thenum@author\endcsname{#1}%
+}
+\newcommand*{\email}[1]{%
+ \expandafter\gdef\csname @email\thenum@author\endcsname{#1}%
+}
+\if@ptexjs
+\renewcommand\section{\@startsection {section}{1}{\z@}%
+ {3.5ex \@plus 1ex \@minus .2ex}%
+ {2.5ex \@plus.2ex}%
+ {\normalfont\sffamily\bfseries\large\raggedright}}
+\renewcommand\subsection{\@startsection{subsection}{2}{\z@}%
+ {2.5ex \@plus 1ex \@minus .2ex}%
+ {1.5ex \@plus .2ex}%
+ {\normalfont\sffamily\bfseries\raggedright}}
+\renewcommand\subsubsection{\@startsection{subsubsection}{3}{\z@}%
+ {2ex \@plus .5ex \@minus .2ex}%
+ {1ex \@plus .2ex}%
+ {\normalfont\normalsize\raggedright}}
+\renewcommand\paragraph{\@startsection{paragraph}{4}{\z@}%
+ {2.5ex \@plus1ex \@minus.2ex}%
+ {-1em}%
+ {\normalfont\normalsize\sffamily\itshape}}
+\renewcommand\subparagraph{\@startsection{subparagraph}{5}{\z@}%
+ {2.5ex \@plus1ex \@minus .2ex}%
+ {-1em}%
+ {\normalfont\normalsize\sffamily\itshape}}
+\else
+\renewcommand\section{\@startsection {section}{1}{\z@}%
+ {-3.5ex \@plus -1ex \@minus -.2ex}%
+ {2.5ex \@plus.2ex}%
+ {\normalfont\bfseries\large\raggedright}}
+\renewcommand\subsection{\@startsection{subsection}{2}{\z@}%
+ {-2.5ex\@plus -1ex \@minus -.2ex}%
+ {1.5ex \@plus .2ex}%
+ {\normalfont\bfseries\raggedright}}
+\renewcommand\subsubsection{\@startsection{subsubsection}{3}{\z@}%
+ {-2ex\@plus -.5ex \@minus -.2ex}%
+ {1ex \@plus .2ex}%
+ {\normalfont\normalsize\raggedright}}
+\renewcommand\paragraph{\@startsection{paragraph}{4}{\z@}%
+ {2.5ex \@plus1ex \@minus.2ex}%
+ {-1em}%
+ {\normalfont\normalsize\itshape}}
+\renewcommand\subparagraph{\@startsection{subparagraph}{5}{\parindent}%
+ {2.5ex \@plus1ex \@minus .2ex}%
+ {-1em}%
+ {\normalfont\normalsize\itshape}}
+\fi
+\let\ajt@itemize\itemize
+\let\ajt@enditemize\enditemize
+\let\ajt@enum\enumerate
+\let\ajt@endenum\endenumerate
+\let\ajt@desc\description
+\let\ajt@enddesc\enddescription
+\renewenvironment{itemize}
+ {\ajt@itemize\parskip0pt}{\ajt@enditemize}
+\renewenvironment{enumerate}
+ {\ajt@enum\parskip0pt}{\ajt@endenum}
+\renewenvironment{description}
+ {\ajt@desc\parskip0pt\parindent1.8em}{\ajt@enddesc}
+\let\itemise\itemize
+\let\enditemise\enditemize
+\renewcommand\labelitemi{\normalfont\bfseries\textendash}
+\renewcommand\labelitemii{\normalfont\bfseries\textperiodcentered}
+\if@ptexjs
+ \renewcommand*\descriptionlabel[1]{\hspace\labelsep\normalfont\gtfamily\itshape #1}
+\else
+ \renewcommand*\descriptionlabel[1]{\hspace\labelsep\normalfont\itshape #1}
+\fi
+\newlength\captionindent
+\if@ptexjs
+ \setlength\captionindent{1pc}
+ \setlength\abovecaptionskip{5\p@}
+ \setlength\belowcaptionskip{5\p@}
+ \newcommand*\@captionheadfont{\ptexjsinfospread\small\scshape}
+ \newcommand*\@captionfont{\ptexjsinfospread\normalfont\small}
+\else
+ \setlength\captionindent{3pc}
+ \setlength\abovecaptionskip{10\p@}
+ \setlength\belowcaptionskip{0\p@}
+ \newcommand*\@captionheadfont{\scshape}
+ \newcommand*\@captionfont{\normalfont}
+\fi
+\long\def\@makecaption#1#2{%
+ \setbox\@tempboxa\vbox{\color@setgroup
+ \advance\hsize-2\captionindent\noindent
+ \@captionfont\@captionheadfont#1\@xp\@ifnotempty\@xp
+ {\@cdr#2\@nil}{.\@captionfont\upshape\enspace#2}%
+ \unskip\kern-2\captionindent\par
+ \global\setbox\@ne\lastbox\color@endgroup}%
+ \ifhbox\@ne % the normal case
+ \setbox\@ne\hbox{\unhbox\@ne\unskip\unskip\unpenalty\unkern}%
+ \fi
+ \ifdim\wd\@tempboxa=\z@ % this means caption will fit on one line
+ \setbox\@ne\hbox to\columnwidth{\hss\kern-2\captionindent\box\@ne\hss}%
+ \else % tempboxa contained more than one line
+ \setbox\@ne\vbox{\unvbox\@tempboxa\parskip\z@skip
+ \noindent\unhbox\@ne\advance\hsize-2\captionindent\par}%
+ \fi
+ \ifnum\@tempcnta<64 % if the float IS a figure...
+ \addvspace\abovecaptionskip
+ \hbox to\hsize{\kern\captionindent\box\@ne\hss}%
+ \else % if the float IS NOT a figure...
+ \hbox to\hsize{\kern\captionindent\box\@ne\hss}%
+ \nobreak
+ \vskip\belowcaptionskip
+ \fi
+\relax
+}
+\renewcommand\@footnotetext[1]{\insert\footins{%
+ \if@korean\linespread{\korean@info@spread}\fi%
+ \if@ptexjs\linespread{\ptexjs@info@spread}\fi%
+ \reset@font\footnotesize
+ \interlinepenalty\interfootnotelinepenalty
+ \splittopskip\footnotesep
+ \splitmaxdepth \dp\strutbox \floatingpenalty \@MM
+ \hsize\columnwidth \@parboxrestore
+ \protected@edef\@currentlabel{%
+ \csname p@footnote\endcsname\@thefnmark
+ }%
+ \color@begingroup
+ \@makefntext{%
+ \rule\z@\footnotesep\ignorespaces#1\@finalstrut\strutbox}%
+ \color@endgroup}}%
+\renewcommand\@makefntext[1]{%
+ \parindent 1.8em%
+ \noindent
+ \hb@xt@1.8em{\hbox{\strut\normalfont\footnotesize\@thefnmark.}\hss}#1}
+\def\@ifx@empty#1{% Implicit #2#3
+ \ifx#1\@empty
+ \expandafter\@firstoftwo
+ \else
+ \expandafter\@secondoftwo
+ \fi}%
+\def\@ifx@undefined#1{% Implicit #2#3
+ \ifx#1\@undefined
+ \expandafter\@firstoftwo
+ \else
+ \expandafter\@secondoftwo
+ \fi}%
+\def\@ifeof#1{% Implicit #2#3
+ \ifeof#1
+ \expandafter\@firstoftwo
+ \else
+ \expandafter\@secondoftwo
+ \fi}%
+\def\boolean@true#1{\let#1\@firstoftwo}%
+\def\boolean@false#1{\let#1\@secondoftwo}%
+\def\ps@titlepage{%
+ \def\@oddhead{\titlepage@head\hfil}%
+ \let\@evenhead\@oddhead
+ \def\@oddfoot{\hfil\titlepage@foot}%
+ \let\@evenfoot\@oddfoot}%
+\def\titlepage@head{\footnotesize
+ \parbox{\linewidth}{%
+ \normalbodyspread
+ \@ifx@empty\@AJTissue{For submission to \AJT}{\AJT, \@AJTissue\hfill\raisebox{-\height+.6\baselineskip}[0pt][0pt]{\@KTSlogo}}\par
+ \@ifx@empty\@AJTissue
+ {\@ifx@empty\@AJTrevision{Draft of \today}{Article revision \@AJTrevision}}%
+ {\@ifx@empty\@AJTrevision
+ {\ClassError{ajt}
+ {\string\AJTrevision\space must be defined if
+ \string\AJTissue\space is also}
+ {It is a requirement for PracTeX Journal articles to contain\MessageBreak
+ revision information for version tracking. Please input this\MessageBreak
+ information, or omit \protect\AJTissue.}}
+ {Article revision \@AJTrevision}}}}%
+\def\titlepage@foot{%
+ \vtop{\raggedleft\footnotesize\@AJTcopyright}}%
+\def\odd@heading@rule{\makebox[0pt][l]{\rule[-3.5pt]{\textwidth}{0.3pt}}}%
+\let\even@heading@rule\odd@heading@rule
+\def\ps@headings{%
+ \def\@oddhead{\odd@heading@rule\small\scshape\@AJTissue\hfil\thepage}%
+ \def\@evenhead{\even@heading@rule\small\scshape\thepage\hfil\AJT}%
+ \let\@oddfoot\@empty
+ \let\@evenfoot\@oddfoot}%
+\renewcommand{\topfraction}{.85}
+\renewcommand{\bottomfraction}{.7}
+\renewcommand{\textfraction}{.15}
+\renewcommand{\floatpagefraction}{.66}
+\renewcommand{\dbltopfraction}{.66}
+\renewcommand{\dblfloatpagefraction}{.66}
+\setcounter{topnumber}{9}
+\setcounter{bottomnumber}{9}
+\setcounter{totalnumber}{20}
+\setcounter{dbltopnumber}{9}
+\newcommand\addinfo[2][]{%
+ \ajt@define@info@block[#1]{#2}%
+ \g@addto@macro\ajt@optional@author@info{\ajt@info@container[#1]{#2}}}
+\newcommand\addinfospace[1]{\g@addto@macro\ajt@optional@author@info{\vspace{#1}}}
+\newcommand\ajt@define@info@block[2][]{%
+ \lowercase{\expandafter\long\expandafter\def\csname#2\endcsname}%
+ ##1{\expandafter\def\csname ajt@info@#2\endcsname{##1}}}
+\newcommand\clearinfo{\let\ajt@optional@author@info\@empty}
+\clearinfo
+%\addinfo[\typesetemail]{Email}
+%\addinfo[\url]{Website}
+%\addinfo[\linespread{0.9}\selectfont]{Address}
+\ajt@define@info@block{Keywords}
+\ajt@define@info@block{Abstract}
+\newif\ifajt@noabstract
+\newcommand\noabstract{\ajt@noabstracttrue}
+\def\endabstract{%
+ \ClassError{ajt}
+ {Please input the abstract with \string\abstract{...}, before \string\begin{document}}
+ {Instead of the \string\begin{abstract}...\string\end{abstract} \MessageBreak
+ environment, use \string\abstract{...}. Paragraphs are allowed!\MessageBreak
+ \MessageBreak
+ Because the abstract is typeset with the title block, \MessageBreak
+ it must be input before the \string\begin{document}\space command.}}
+\newcommand{\AJTissue}[3]{\gdef\@AJTissue{Volume #1, No.\thinspace #2, #3}}%
+\newcommand{\AJTpage}[1]{\setcounter{page}{#1}}%
+\newcommand{\AJTlang}[1]{\gdef\@AJTlang{#1}}%
+\newcommand{\AJTrevision}[3]{\gdef\@AJTrevision{#1/#2/#3}}%
+\newcommand{\AJTcopyright}[1]{\gdef\@AJTcopyright{#1}}%
+\def\logo@setup#1{%
+ \IfFileExists{#1}
+ {\def\@KTSlogo{\includegraphics[height=12mm]{#1}}}
+ {\let\@KTSlogo\@empty}}%
+\ifx\@dvi@driver\dps@driver
+ \logo@setup{KTS-logo.eps}
+\else
+ \logo@setup{KTS-logo.pdf}
+\fi
+\let\@AJTissue\@empty
+\let\@AJTrevision\@empty
+\let\@AJTcopyright\@empty
+\let\license\AJTcopyright
+\newcommand\ajt@info@container[2][]{%
+ \lowercase{\expandafter\gdef\csname#2\endcsname}%
+ {\ClassError{ajt}{#2 must be defined BEFORE \string\maketitle}{}}
+ \expandafter\ifx\csname ajt@info@#2\endcsname\relax\else
+ \noindent\small
+ \begin{minipage}[t]{0.12\textwidth}
+ \noindent\rmfamily\scshape#2\hfill
+ \end{minipage}\hfill
+ \begin{minipage}[t]{0.85\textwidth}
+ \if@korean\if@korabstract\koreanbodyspread\else\koreaninfospread\fi\fi
+ \if@ptexjs\if@ptexjsabstract\ptexjsbodyspread\else\ptexjsinfospread\fi\fi
+ \setlength\parindent{1.8em}%
+ \noindent\ignorespaces
+ \expandafter#1\expandafter{\csname ajt@info@#2\endcsname}
+ \end{minipage}\par
+ \fi}
+\newcommand\obfuscateemail{%
+ \def\typesetemail##1{\ttfamily\switchemail{##1}}}
+\newcommand\hyperlinkemail{%
+ \def\typesetemail##1{\ttfamily\ajt@compose@mailto{##1}{Re: AJT article}{##1}}}
+\newcommand\ajt@compose@mailto[3]{%
+ \edef\@tempa{mailto:#1?subject=#2 }%
+ \edef\@tempb{\expandafter\html@spaces\@tempa\@empty}%
+ \href{\@tempb}{#3}}
+
+\catcode`\%=11
+\def\html@spaces#1 #2{#1%20\ifx#2\@empty\else\expandafter\html@spaces\fi#2}
+\catcode`\%=14
+\newcommand\note[1]{\unskip\footnote{#1}}
+\DeclareRobustCommand\dash{%
+ \unskip\nobreak\thinspace\textemdash\thinspace\ignorespaces}
+%\pdfstringdefDisableCommands{\renewcommand{\dash}{ - }}
+\newcommand\ctanfile[1]{%
+ \href{http://www.ctan.org/get?fn=/#1}
+ {\path{CTAN:#1}}}
+\newcommand\ctanloc[1]{%
+ \href{http://www.ctan.org/tex-archive/#1}
+ {\path{CTAN:#1}}}
+\ifx\@dvi@driver\xtx@driver\else % not XeTeX
+ \DeclareTextSymbol{\textbackslash}{OT1}{`\\}
+ \DeclareTextSymbol{\textbraceleft}{OT1}{`\{}
+ \DeclareTextSymbol{\textbraceright}{OT1}{`\}}
+\fi
+\newcommand\cs[1]{%
+ \texttt{\textbackslash#1}}
+\DeclareRobustCommand\TeX{T\kern-.15em\lower.5ex\hbox{E}\kern-.07em X\spacefactor1000\relax}
+\DeclareRobustCommand\eTeX{\ensuremath{\varepsilon}-\kern-.125em\TeX}
+\DeclareRobustCommand\LaTeX{L\kern-.32em\raise.37ex\hbox{\scalebox{0.76}{A}}\kern-.15em\TeX}
+\DeclareRobustCommand\LaTeXe{\LaTeX2$_{\textstyle\varepsilon}$}
+\DeclareRobustCommand\LuaTeX{Lua\TeX}
+\DeclareRobustCommand\LuaLaTeX{Lua\LaTeX}
+\DeclareRobustCommand\kotex{\textsf{k}\textit{o}\kern-1pt\lower.15ex\hbox{.}\kern-1pt\TeX}
+\DeclareRobustCommand\xetexko{\XeTeX-\textsf{k}\textit{o}}
+\DeclareRobustCommand\luatexko{\LuaTeX-\textsf{k}\textit{o}}
+\DeclareRobustCommand\BibTeX{B{\textsc i\kern-.025em\textsc b}\kern-.08em\TeX}
+\DeclareRobustCommand\logofamily{%
+ \not@math@alphabet\logofamily\relax
+ \fontencoding{U}\fontfamily{logo}\selectfont}
+\DeclareTextFontCommand{\textlogo}{\logofamily}
+\DeclareRobustCommand\MF{\textlogo{META}\@dischyph\textlogo{FONT}\@}
+\DeclareRobustCommand\MP{\textlogo{META}\@dischyph\textlogo{POST}\@}
+\DeclareRobustCommand\ConTeXt{C\kern-.03em on\-\kern-.10em\TeX\kern-0.04em t}%
+\DeclareRobustCommand\pdfTeX{pdf\/\TeX}
+\DeclareRobustCommand\pdfeTeX{pdf\/\eTeX}
+\DeclareRobustCommand\pdfLaTeX{pdf\/\LaTeX}
+\DeclareRobustCommand\PS{PostScript}
+\DeclareRobustCommand\PracTeX{Prac\kern-0.07em\TeX}
+\DeclareRobustCommand\pTeX{p\kern-0.05em\TeX}
+\DeclareRobustCommand\AJT{The Asian Journal of \TeX}
+\DeclareRobustCommand\XeTeX{%
+ X\lower.5ex\hbox{\kern-.07em\reflectbox{E}}%
+ \kern-.15em\TeX}
+\DeclareRobustCommand\ExTeX{\textrm{\relax
+ \ensuremath{\textstyle\varepsilon_{\kern-0.15em\mathcal{X}}}\relax
+ \kern-.15em\TeX}}
+\def\write@ID@aux{%
+ \@ifx@empty\@AJTrevision{}{%
+ \begingroup
+ \let\thanks\@gobble
+ \immediate\openout\ID@aux _rev.tex
+ \immediate\write\ID@aux{\@AJTrevision}%
+ \immediate\closeout\ID@aux
+ \endgroup
+ }%
+}%
+\newwrite\ID@aux
+\def\read@issue{%
+ \openin\@inputcheck _iss.tex
+ \@ifeof\@inputcheck{}
+ {\ifx\@AJTissue\@empty\else
+ \typeout{---------^^J
+ ajt: \protect\AJTissue\space info overwritten due to _iss.tex file^^J
+ ---------}
+ \fi
+ \read\@inputcheck to\@AJTissue
+ \closein\@inputcheck
+ \expandafter\parse@iss\@AJTissue\@nil}}
+\def\parse@iss AJT #1 No #2, #3-#4-#5\@nil{%
+ \@tempcnta#2\relax
+ \protected@xdef\@AJTissue{\AJT, #1, No.\thinspace\the\@tempcnta}}
+\def\set@pdfpage{%
+ \ifx\@dvi@driver\tpd@driver
+ \@ifx@undefined\pdfoutput{}{%
+ \pdfpagewidth =\paperwidth
+ \pdfpageheight=\paperheight
+ \relax}%
+ \else
+ \special{papersize=\the\paperwidth,\the\paperheight}%
+ \fi}
+\AtBeginDocument{\if@print\else\set@pdfpage\fi}
+\let\thebibliography@ltx\thebibliography
+\let\endthebibliography@ltx\endthebibliography
+\renewenvironment{thebibliography}[1]
+ {\if@korean\normalbodyspread\renewcommand{\refname}{참고 문헌}\fi%
+ \if@ptexjs\ptexjsinfospread\renewcommand{\refname}{参考文献}\fi%
+ \thebibliography@ltx{#1}\setlength{\itemsep}{0pt}\small}
+ {\endthebibliography@ltx}
+\renewcommand\@biblabel[1]{#1.}
+\def\head@setup#1{%
+ \IfFileExists{#1}
+ {\def\@AJThead{\includegraphics[width=.25\textwidth]{#1}}}
+ {\let\@AJThead\@empty}}%
+\ifx\@dvi@driver\dps@driver
+ \head@setup{AJT-head.eps}
+\else
+ \head@setup{AJT-head.pdf}
+\fi
+\newcommand*\putAJThead[1]{%
+ \raisebox{-\textheight-3em}[0pt][0pt]{%
+ \makebox[0pt][l]{\hspace*{-3em}\@AJThead}%
+ }%
+}
+\if@reprint
+ \let\cleardoublepage\relax
+\else
+ \renewcommand\cleardoublepage{\clearpage\if@twoside\ifodd\c@page\else
+ \pagestyle{empty}\noindent\putAJThead\newpage\if@twocolumn\hbox{}\newpage\fi\fi\fi}
+\fi
+\pagestyle{headings}
+\endinput
+%%
+%% End of file `ajt.cls'.
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