Examples

Each example contains a word description for the element declaration provided. Required start and end tags are assumed.

• A chapter requires a <chaphead> followed by text. A chapter can contain zero or more s1 elements followed by zero or more rsect elements.

  <!ELEMENT chapter - - (chaphead, text, (s1*, rsect*)) >

• A chaphead requires a head followed by an optional abbrev. A chaphead cannot contain these elements: memo,location, or idx.

  <!ELEMENT chaphead - - (head, abbrev?)
                          -(memo | location | idx) >

• The paragraph element requires a start tag (-) and an end tag (-). It can contain an optional head (?) followed by the partext element. newline elements can be used within p or any of the elements it contains.

  <!ELEMENT p - - (head?, partext) +(newline) >

• A note contains text. It can have an optional head. A note cannot contain these elements: note, caution, or warning.

  <!ELEMENT note - - (head?, text)
                      -(note | caution | warning) >

• A list may contain an optional head. It requires at least one item, which can be repeated.

  <!ELEMENT list - - (head?, item+) >

• The book element declaration uses an exclusion to specify that it cannot contain another book element.

  <!ELEMENT book - - (partext) -(book) >