This prevents having the section number twice, see [here](https://sqlite.org/atomiccommit.html#10_0_future_directions_and_conclusion).
By the way is [hdom.tcl](https://sqlite.org/docsrc/file/search/hdom.tcl) in the public domain like the rest of SQLite?
~~~
Index: pages/atomiccommit.in
==================================================================
--- pages/atomiccommit.in
+++ pages/atomiccommit.in
@@ -1327,11 +1327,11 @@
modern journalling filesystems are immune, we believe) then you might
want to consider putting each SQLite database file in its own private
subdirectory.</p>
<tcl>hd_fragment future</tcl>
-<h1>10.0 Future Directions And Conclusion</h1>
+<h1> Future Directions And Conclusion</h1>
<p>Every now and then someone discovers a new failure mode for
the atomic commit mechanism in SQLite and the developers have to
put in a patch. This is happening less and less and the
failure modes are becoming more and more obscure. But it would
~~~