UTF-2000 character database format (S-expression version)

* Relations between Characters

Property-name `->foo' or `<-foo' mean relations between characters.

If there are a relationship `foo', property-name `->foo' means a value
of the property is a `foo' of the defined character.  Likewise,
property-name `<-foo' means the defined character is a `foo' of each
value of the property.

Example 1: If a character ?A has property `(->lowercase . (?a))', the
character ?a specified in the property is a lowercase of the defined
character ?A.

Example 2: If a character ?a has property `(<-lowercase . (?A))', the
defined character ?a is a lowercase of the character ?A specified in
the property.


** Character Reference

Type of property `->foo' or `<-foo' are list of ``char-ref''.  The
type char-ref is defined by following definition:

   char-ref = character | char-spec | char-property-list

The type ``char-property-list'' is a property-list.  In the
property-list, some keys are defined in the specification.  Following
list describes meaning of keys:

  :char
	Required.  It indicates a character.
	[type] character | char-spec

  :sources
	Optional.  It indicates a source of the relation.
	[type] list of symbols

	Meaning of some symbols are defined.  Following list describes
	meaning of symbols:

		doubun-tsuukou			同文通考
		gyokuhen			玉篇
		henkai				篇海
		inkaiho				韻会補
		jii				字彙
		jiiho				字彙補
		jiyun (shuuin)			集韻
		kangxi				康煕字典
		kouin				広韻
		morohashi-daikanwa		大漢和辞典
		ruishuu-meigishou		類聚名義抄
		seiin				正韻
		seiji-tsuu			正字通
		setsumon-tsuukun-teisei		説文通訓定聲
		shuowen				説文
		yuquan				玉泉
		chuuka-daijiten			中華大辞典
		sougen-irai-zokujifu		宋元以来俗字譜

** Properties

->lowercase	indicates lowercase
->uppercase	indicates uppercase
->titlecase	indicates titlecase (uppercase + lowercase)

->fullwidth	indicates ``fullwidth'' characters
<-fullwidth	a ``fullwidth'' character of

->same-ideograph	indicates same characters (同字)
->original-ideograph	indicates ``original'' characters (本字)
<-original-ideograph	an ``original'' character of
->ancient-ideograph	indicates ``ancient'' characters (古字)
<-ancient-ideograph	an ``ancient'' character of
->vulgar-ideograph	indicates ``vulgar'' characters (俗字)
<-vulgar-ideograph	a ``vulgar'' character of
->simplified-ideograph	indicates simplified characters
<-simplified-ideograph	a simplified character of
->ideographic-variants	indicates variants (異体字)
->synonyms		indicates synonyms

->radical		indicates corresponding radical forms
<-radical		a radical form of

->bopomofo		indicates bopomofo characters
<-bopomofo		a bopomofo character of

->ideographic		indicates corresponding characters used with
			Ideographic script
<-ideographic		an Ideographic symbol of