These containers are replaced with link to the next/previous pages on the archive, category, and entry pages.
The <NextPage> container syntax is:
<NextPage>
<IfPageExists>
<$PageLink$><$PageName$>
</IfPageExists>
<IfNoPageExists></IfNoPageExists>
</NextPage>
The <PreviousPage> container syntax is:
<PreviousPage>
<IfPageExists>
<$PageLink$><$PageName$>
</IfPageExists>
<IfNoPageExists></IfNoPageExists>
</PreviousPage>
Example: Next and previous links on the archive pages
<PreviousPage>
<IfPageExists>
<a href="<$PageLink$>">« <$PageName$></a> |
</IfPageExists>
<IfNoPageExists>
No More Archives
</IfNoPageExists>
</PreviousPage>
<a href="<$FrontPageLink$>">Main</a>
<NextPage>
<IfPageExists>
| <a href="<$PageLink$>"><$PageName$> »</a>
</IfPageExists>
<IfNoPageExists>
No More Archives
</IfNoPageExists>
</NextPage>
Output:« December 2004 | Main | February 2005 »