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.
|
<!DOCTYPE doc [
|
|
<!ELEMENT doc ((a | b | c)*) >
|
|
<!ELEMENT a EMPTY>
|
|
<!ELEMENT b EMPTY>
|
|
<!ELEMENT c EMPTY>
|
|
]>
|
|
<doc>
|
|
<b/>
|
|
</doc>
|
