<!DOCTYPE AAA [
<!ELEMENT AAA (BBB+,CCC+,SELECT)>
<!ELEMENT BBB (#PCDATA)>
<!ATTLIST BBB
bbb ID #REQUIRED>
<!ELEMENT CCC (#PCDATA)>
<!ATTLIST CCC
ccc ID #REQUIRED>
<!ELEMENT SELECT (ITEM+)>
<!ELEMENT ITEM (#PCDATA)>]>
<AAA>
<BBB bbb
=
"11" >B1
</BBB>
<BBB bbb
=
"22" >B2
</BBB>
<BBB bbb
=
"33" >B3
</BBB>
<CCC ccc
=
"aaa" >C1
</CCC>
<CCC ccc
=
"bbb" >C2
</CCC>
<CCC ccc
=
"ccc" >C3
</CCC>
<SELECT>
<ITEM>11
</ITEM>
<ITEM>aaa
</ITEM>
<ITEM>ccc
</ITEM>
</SELECT>
</AAA>
Author: Miloslav Nic [nicmila@idoox.com]