docbook.dtd
ISO標準の19種の文字エンティティ宣言をインクルード (V3.1ではdbcent.modに分離)
"ISO 8879:1986//ENTITIES Diacritical Marks//EN"
"ISO 8879:1986//ENTITIES Numeric and Special Graphic//EN"
"ISO 8879:1986//ENTITIES Publishing//EN"
"ISO 8879:1986//ENTITIES General Technical//EN"
"ISO 8879:1986//ENTITIES Added Latin 1//EN"
"ISO 8879:1986//ENTITIES Added Latin 2//EN"
"ISO 8879:1986//ENTITIES Greek Letters//EN”
<!ENTITY aacute SDATA "[aacute]"--=small a, acute accent-->