+ Talloc is available from https://talloc.samba.org/
+
+ zlib
+ ----
+
+ zlib is an extremely popular compression library. It is used
+ by Xapian, so if you installed that you will already have
+ zlib. You may need to install the zlib headers separately.
+
+ Notmuch needs the transparent write feature of zlib introduced
+ in version 1.2.5.2 (Dec. 2011).
+
+ zlib is available from https://zlib.net
+
+Building Documentation
+----------------------
+
+To build the documentation for notmuch you need at least version 1.0
+of sphinx (Jul. 2010).
+
+Sphinx is available from www.sphinx-doc.org.
+
+To install the documentation as "info" pages, you will need the
+additional tools makeinfo and install-info.
+
+Installing Dependencies from Packages
+-------------------------------------