* toc: Add the table of contents at sanitize time, rather than at format
time. This allows the toc to be displayed when previewing an edit. It also
avoids headers in the page template from showing up in the toc.
* toc: Add the table of contents at sanitize time, rather than at format
time. This allows the toc to be displayed when previewing an edit. It also
avoids headers in the page template from showing up in the toc.