Appearance
Data
A content flow (or content flow group) can declare a <data> element which stores relevant information accessible by any element within the flow/group, or by a page which has the flow/group in "scope" (see layout repeats).
For example,
xml
<flows>
<body>
<data>
<title>My Life Story</title>
</data>
<p>When I was a young man...</p>
</body>
</flows>
<pages width="595pt" height="842pt" padding="72pt">
<introduction>
<h1>{{ body.data.title }}</h1>
<flow name="body" />
</introduction>
<body-page>
<p font-size="8pt">{{ body.data.title }}</p>
<flow name="body" />
</body-page>
</pages>
<layout>
<introduction />
<body-page repeat="true" />
</layout>defines a simple document which begins with a large title on the first page, then includes that title at the top of every subsequent page.