new file mode 100644
--- /dev/null
+++ b/doc/ja/docbook.ja.conf
@@ -0,0 +1,583 @@
+#
+# docbook.conf
+#
+# Asciidoc configuration file.
+# Modified docbook backend for Japanese.
+#
+
+[miscellaneous]
+outfilesuffix=.xml
+# Printable page width in pts.
+pagewidth=380
+pageunits=pt
+
+[attributes]
+basebackend=docbook
+basebackend-docbook=
+
+[replacements]
+# Line break markup is dropped (there is no DocBook line break tag).
+(?m)^(.*)\s\+$=\1
+# Superscripts.
+\^(.+?)\^=<superscript>\1</superscript>
+# Subscripts.
+~(.+?)~=<subscript>\1</subscript>
+
+[ruler-blockmacro]
+# Only applies to HTML so don't output anything.
+
+[image-inlinemacro]
+<inlinemediaobject>
+  <imageobject>
+  <imagedata fileref="{target}"{width? contentwidth="{width}pt"}{height? contentdepth="{height}pt"}/>
+  </imageobject>
+  <textobject><phrase>{1={target}}</phrase></textobject>
+</inlinemediaobject>
+
+[image-blockmacro]
+<figure{id? id="{id}"}><title>{title}</title>
+{title%}<informalfigure{id? id="{id}"}>
+<mediaobject>
+  <imageobject>
+  <imagedata fileref="{target}"{width? contentwidth="{width}pt"}{height? contentdepth="{height}pt"}/>
+  </imageobject>
+  <textobject><phrase>{1={target}}</phrase></textobject>
+</mediaobject>
+{title#}</figure>
+{title%}</informalfigure>
+
+[indexterm-inlinemacro]
+# Inline index term.
+# Generate separate index entries for primary, secondary and tertiary
+# descriptions.
+# Primary only.
+{2%}<indexterm>
+{2%}  <primary>{1}</primary>
+{2%}</indexterm>
+# Primary and secondary.
+{2#}{3%}<indexterm>
+{2#}{3%}  <primary>{1}</primary><secondary>{2}</secondary>
+{2#}{3%}</indexterm>
+{2#}{3%}<indexterm>
+{2#}{3%}  <primary>{2}</primary>
+{2#}{3%}</indexterm>
+# Primary, secondary and tertiary.
+{3#}<indexterm>
+  <primary>{1}</primary><secondary>{2}</secondary><tertiary>{3}</tertiary>
+{3#}</indexterm>
+{3#}<indexterm>
+  <primary>{2}</primary><secondary>{3}</secondary>
+{3#}</indexterm>
+{3#}<indexterm>
+  <primary>{3}</primary>
+{3#}</indexterm>
+
+[indexterm2-inlinemacro]
+# Inline index term.
+# Single entry index term that is visible in the primary text flow.
+<indexterm>
+  <primary>{1}</primary>
+</indexterm>
+{1}
+
+[footnote-inlinemacro]
+# Inline footnote.
+<footnote><simpara>{0}</simpara></footnote>
+
+[callout-inlinemacro]
+# Inline callout.
+<co id="{coid}"/>
+
+[tags]
+# Bulleted, numbered and labeled list tags.
+ilist=<itemizedlist{id? id="{id}"}>{title?<title>{title}</title>}|</itemizedlist>
+ilistitem=<listitem>|</listitem>
+ilisttext=<simpara>|</simpara>
+olist=<orderedlist{id? id="{id}"}>{title?<title>{title}</title>}|</orderedlist>
+olist2=<orderedlist{id? id="{id}"} numeration="loweralpha">|</orderedlist>
+olistitem=<listitem>|</listitem>
+olisttext=<simpara>|</simpara>
+vlist=<variablelist{id? id="{id}"}>{title?<title>{title}</title>}|</variablelist>
+vlistentry=<varlistentry>|</varlistentry>
+vlistterm=<term>|</term>
+vlisttext=<simpara>|</simpara>
+vlistitem=<listitem>|</listitem>
+# Horizontal labeled list (implemented with two column table).
+# Hardwired column widths to 30%,70% because the current crop of PDF
+# generators do not auto calculate column widths.
+hlist=<{title?table}{title!informaltable}{id? id="{id}"} tabstyle="{style=hlabeledlist}" pgwide="0" frame="none" colsep="0" rowsep="0">{title?<title>{title}</title>}<tgroup cols="2"><colspec colwidth="{1=3}*"/><colspec colwidth="{2=7}*"/><tbody valign="top">|</tbody></tgroup><{title?/table}{title!/informaltable}>
+hlistentry=<row>|</row>
+hlisttext=<simpara>|</simpara>
+hlistterm=<entry><simpara>|</simpara></entry>
+hlistitem=<entry>|</entry>
+
+# Question and Answer list.
+qlist=<qandaset{id? id="{id}"}>{title?<title>{title}</title>}|</qandaset>
+qlistentry=<qandaentry>|</qandaentry>
+qlistterm=<question><simpara>|</simpara></question>
+qlistitem=<answer>|</answer>
+qlisttext=<simpara>|</simpara>
+# Bibliography list.
+blist=|
+blistitem=<bibliomixed>|</bibliomixed>
+blisttext=<bibliomisc>|</bibliomisc>
+# Glossary list.
+glist=|
+glistentry=<glossentry>|</glossentry>
+glistterm=<glossterm>|</glossterm>
+glistitem=<glossdef>|</glossdef>
+glisttext=<simpara>|</simpara>
+# Callout list.
+colist=<calloutlist{id? id="{id}"}>{title?<title>{title}</title>}|</calloutlist>
+colistitem=<callout arearefs="{coids}">|</callout>
+colisttext=<simpara>|</simpara>
+
+# Quoted text
+emphasis=<emphasis>|</emphasis>
+strong=<emphasis role="strong">|</emphasis>
+monospaced=<literal>|</literal>
+quoted={amp}#8220;|{amp}#8221;
+
+# Inline macros
+[http-inlinemacro]
+<ulink url="{name}:{target}">{0={name}:{target}}</ulink>
+[https-inlinemacro]
+<ulink url="{name}:{target}">{0={name}:{target}}</ulink>
+[ftp-inlinemacro]
+<ulink url="{name}:{target}">{0={name}:{target}}</ulink>
+[file-inlinemacro]
+<ulink url="{name}:{target}">{0={name}:{target}}</ulink>
+[mailto-inlinemacro]
+<ulink url="{name}:{target}">{0={target}}</ulink>
+#<email>{target}</email>
+[link-inlinemacro]
+<ulink url="{target}">{0={target}}</ulink>
+# anchor:id[text]
+[anchor-inlinemacro]
+<anchor id="{target}" xreflabel="{0=[{target}]}"/>
+# [[id,text]]
+[anchor2-inlinemacro]
+<anchor id="{1}" xreflabel="{2=[{1}]}"/>
+# [[[id]]]
+[anchor3-inlinemacro]
+<anchor id="{1}" xreflabel="[{1}]"/>[{1}]
+# xref:id[text]
+[xref-inlinemacro]
+<link linkend="{target}">{0}</link>
+{2%}<xref linkend="{target}"/>
+# <<id,text>>
+[xref2-inlinemacro]
+<link linkend="{1}">{2}</link>
+{2%}<xref linkend="{1}"/>
+
+
+# Special word macros
+[emphasizedwords]
+<emphasis>{words}</emphasis>
+[monospacedwords]
+<literal>{words}</literal>
+[strongwords]
+<emphasis role="strong">{words}</emphasis>
+
+# Paragraph substitution.
+[paragraph]
+<formalpara{id? id="{id}"}><title>{title}</title><para>
+{title%}<simpara{id? id="{id}"}>
+|
+{title%}</simpara>
+{title#}</para></formalpara>
+{empty}
+
+[admonitionparagraph]
+<{name}{id? id="{id}"}><simpara>|</simpara></{name}>
+
+[literalparagraph]
+# The literal block employs the same markup.
+template::[literalblock]
+
+[verseparagraph]
+template::[verseblock]
+
+# Delimited blocks.
+[literalblock]
+<example><title>{title}</title>
+<literallayout{id? id="{id}"} class="{font=monospaced}">
+|
+</literallayout>
+{title#}</example>
+
+[listingblock]
+<example><title>{title}</title>
+<screen>
+|
+</screen>
+{title#}</example>
+
+[verseblock]
+<formalpara{id? id="{id}"}><title>{title}</title><para>
+{title%}<literallayout{id? id="{id}"}>
+{title#}<literallayout>
+|
+</literallayout>
+{title#}</para></formalpara>
+
+[sidebarblock]
+<sidebar{id? id="{id}"}>
+<title>{title}</title>
+|
+</sidebar>
+
+[backendblock]
+|
+
+[quoteblock]
+# The epigraph element may be more appropriate than blockquote.
+<blockquote{id? id="{id}"}>
+<title>{title}</title>
+<attribution>
+{attribution}
+<citetitle>{citetitle}</citetitle>
+</attribution>
+|
+</blockquote>
+
+[exampleblock]
+<{title?example}{title!informalexample}{id? id="{id}"}>
+<title>{title}</title>
+|
+</{title?example}{title!informalexample}>
+
+[admonitionblock]
+<{name}{id? id="{id}"}>
+<title>{title}</title>
+|
+</{name}>
+
+# Tables.
+[tabledef-default]
+template=table		
+colspec=<colspec colwidth="{colwidth}{pageunits}" align="{colalign}"/>
+bodyrow=<row>|</row>
+bodydata=<entry>|</entry>
+
+[table]
+<{title?table}{title!informaltable}{id? id="{id}"} pgwide="0"
+frame="{frame=topbot}"
+{grid%rowsep="0" colsep="0"}
+{eval:\{"none":"rowsep=\"0\" colsep=\"0\"", "cols":"rowsep=\"0\" colsep=\"1\"", "all":"rowsep=\"1\" colsep=\"1\"", "rows":"rowsep=\"1\" colsep=\"0\"" \}["{grid}"]}
+>
+<title>{title}</title>
+<tgroup cols="{cols}">
+{colspecs}
+{headrows#}<thead>
+{headrows}
+{headrows#}</thead>
+{footrows#}<tfoot>
+{footrows}
+{footrows#}</tfoot>
+<tbody>
+{bodyrows}
+</tbody>
+</tgroup>
+</{title?table}{title!informaltable}>
+
+[specialsections]
+ifdef::doctype-article[]
+^Abstract$=sect-abstract
+endif::doctype-article[]
+
+ifdef::doctype-book[]
+^Colophon$=sect-colophon
+^Dedication$=sect-dedication
+^Preface$=sect-preface
+endif::doctype-book[]
+
+^Index$=sect-index
+^(Bibliography|References)$=sect-bibliography
+^Glossary$=sect-glossary
+^Appendix [A-Z][:.](?P<title>.*)$=sect-appendix
+
+# Special sections.
+[sect-preface]
+<preface{id? id="{id}"}>
+<title>{title}</title>
+|
+</preface>
+
+[sect-index]
+<index{id? id="{id}"}>
+<title>{title}</title>
+|
+</index>
+
+[sect-bibliography]
+<bibliography{id? id="{id}"}>
+<title>{title}</title>
+|
+</bibliography>
+
+[sect-glossary]
+<glossary{id? id="{id}"}>
+<title>{title}</title>
+|
+</glossary>
+
+[sect-appendix]
+<appendix{id? id="{id}"}>
+<title>{title}</title>
+|
+</appendix>
+
+
+[header-declarations]
+<?xml version="1.0" encoding="{encoding}"?>
+<!DOCTYPE {eval:\{"article":"article", "book":"book", "manpage":"refentry"\}["{doctype}"]} PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+#-------------------------
+# article document type
+#-------------------------
+ifdef::doctype-article[]
+
+[header]
+template::[header-declarations]
+
+<article lang="ja">
+{doctitle#}<articleinfo>
+    <title>{doctitle}</title>
+    <date>{date}</date>
+    {authored#}<author>
+        <firstname>{firstname}</firstname>
+        <othername>{middlename}</othername>
+        <surname>{lastname}</surname>
+        <affiliation><address><email>{email}</email></address></affiliation>
+    {authored#}</author>
+
+# If file named like source document with -revhistory.xml suffix exists
+# include it as the document history, otherwise use current revision.
+{revisionhistory#}{include:{docdir}/{docname}-revhistory.xml}
+{revisionhistory%}<revhistory><revision><revnumber>{revision}</revnumber><date>{date}</date>{revremark?<revremark>{revremark}</revremark>}</revision></revhistory>
+
+    <corpname>{companyname}</corpname>
+{doctitle#}</articleinfo>
+
+[footer]
+</article>
+
+[preamble]
+# Untitled elements between header and first section title.
+|
+
+[sect-abstract]
+<abstract{id? id="{id}"}>
+|
+</abstract>
+
+[sect1]
+<section{id? id="{id}"}>
+<title>{title}</title>
+|
+</section>
+
+[sect2]
+<section{id? id="{id}"}>
+<title>{title}</title>
+|
+</section>
+
+[sect3]
+<section{id? id="{id}"}>
+<title>{title}</title>
+|
+</section>
+
+[sect4]
+<section{id? id="{id}"}>
+<title>{title}</title>
+|
+</section>
+
+endif::doctype-article[]
+
+#-------------------------
+# manpage document type
+#-------------------------
+ifdef::doctype-manpage[]
+
+[replacements]
+# The roff format does not substitute special characters so just print them as
+# text.
+\(C\)=(C)
+\(TM\)=(TM)
+
+[header]
+template::[header-declarations]
+<refentry>
+<refmeta>
+<refentrytitle>{mantitle}</refentrytitle>
+<manvolnum>{manvolnum}</manvolnum>
+</refmeta>
+<refnamediv>
+    <refname>{manname}</refname>
+    <refpurpose>{manpurpose}</refpurpose>
+</refnamediv>
+
+[footer]
+</refentry>
+
+# Section macros
+[sect-synopsis]
+<refsynopsisdiv{id? id="{id}"}>
+|
+</refsynopsisdiv>
+
+[sect1]
+<refsect1{id? id="{id}"}>
+<title>{title}</title>
+|
+</refsect1>
+
+[sect2]
+<refsect2{id? id="{id}"}>
+<title>{title}</title>
+|
+</refsect2>
+
+[sect3]
+<refsect3{id? id="{id}"}>
+<title>{title}</title>
+|
+</refsect3>
+
+endif::doctype-manpage[]
+
+#-------------------------
+# book document type
+#-------------------------
+ifdef::doctype-book[]
+
+[header]
+template::[header-declarations]
+
+<book lang="ja">
+{doctitle#}<bookinfo>
+    <title>{doctitle}</title>
+    <date>{date}</date>
+    {authored#}<author>
+        <firstname>{firstname}</firstname>
+        <othername>{middlename}</othername>
+        <surname>{lastname}</surname>
+        <affiliation><address><email>{email}</email></address></affiliation>
+    {authored#}</author>
+
+# If file named like source document with -revhistory.xml suffix exists
+# include it as the document history, otherwise use current revision.
+{revisionhistory#}{include:{docdir}/{docname}-revhistory.xml}
+{revisionhistory%}<revhistory><revision><revnumber>{revision}</revnumber><date>{date}</date>{revremark?<revremark>{revremark}</revremark>}</revision></revhistory>
+
+    <corpname>{companyname}</corpname>
+{doctitle#}</bookinfo>
+
+[footer]
+</book>
+
+[preamble]
+# Preamble is not allowed in DocBook book so wrap it in a preface. 
+<preface{id? id="{id}"}>
+<title>Preface</title>
+|
+</preface>
+
+[sect-dedication]
+<dedication{id? id="{id}"}>
+|
+</dedication>
+
+[sect-colophon]
+<colophon{id? id="{id}"}>
+|
+</colophon>
+
+[sect0]
+<part{id? id="{id}"}>
+<title>{title}</title>
+|
+</part>
+
+[sect1]
+<chapter{id? id="{id}"}>
+<title>{title}</title>
+|
+</chapter>
+
+[sect2]
+<section{id? id="{id}"}>
+<title>{title}</title>
+|
+</section>
+
+[sect3]
+<section{id? id="{id}"}>
+<title>{title}</title>
+|
+</section>
+
+[sect4]
+<section{id? id="{id}"}>
+<title>{title}</title>
+|
+</section>
+
+endif::doctype-book[]
+
+ifdef::sgml[]
+#
+# Optional DocBook SGML.
+#
+# Most of the differences between DocBook XML and DocBook SGML boils
+# down to the empty element syntax: SGML does not like the XML empty
+# element <.../> syntax, use <...> instead.
+#
+[miscellaneous]
+outfilesuffix=.sgml
+
+[header-declarations]
+<!DOCTYPE {eval:\{"article":"article", "book":"book", "manpage":"refentry"\}["{doctype}"]} PUBLIC "-//OASIS//DTD DocBook V4.1//EN">
+
+[tabledef-default]
+colspec=<colspec colwidth="{colwidth}{pageunits}" align="{colalign}">
+
+[image-inlinemacro]
+<inlinemediaobject>
+  <imageobject>
+  <imagedata fileref="{target}"{width? width="{width}pt"}{height? depth="{height}pt"}>
+  </imageobject>
+  <textobject><phrase>{1={target}}</phrase></textobject>
+</inlinemediaobject>
+
+[image-blockmacro]
+<figure><title>{title}</title>
+{title%}<informalfigure>
+<mediaobject>
+  <imageobject>
+  <imagedata fileref="{target}"{width? width="{width}pt"}{height? depth="{height}pt"}>
+  </imageobject>
+  <textobject><phrase>{1={target}}</phrase></textobject>
+</mediaobject>
+{title#}</figure>
+{title%}</informalfigure>
+
+# Inline macros
+[xref-inlinemacro]
+<link linkend="{target}">{0}</link>
+{2%}<xref linkend="{target}">
+[xref2-inlinemacro]
+# <<id,text>>
+<link linkend="{1}">{2}</link>
+{2%}<xref linkend="{1}">
+[anchor-inlinemacro]
+<anchor id="{target}" xreflabel="{0=[{target}]}">
+[anchor2-inlinemacro]
+# [[id,text]]
+<anchor id="{1}" xreflabel="{2=[{1}]}">
+
+endif::sgml[]