You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

7 lines
149 B

<!DOCTYPE doc [
<!ELEMENT doc (#PCDATA | a | b)*>
<!ELEMENT a (#PCDATA)>
<!ELEMENT b (#PCDATA)>
]>
<doc><a>This</a> is a <b>valid</b> document</doc>