[PATCH 3/4] doc: add configuration section to notmuch-insert(1)

[David Bremner <david@tethera.net>]

This is partially redudant given some existing cross references, but
it is useful to have all of the config keys listed in one place, to
help keep track of them if nothing else.
---
 doc/man1/notmuch-insert.rst | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/doc/man1/notmuch-insert.rst b/doc/man1/notmuch-insert.rst
index da9ca791..8d91d62a 100644
--- a/doc/man1/notmuch-insert.rst
+++ b/doc/man1/notmuch-insert.rst
@@ -88,6 +88,16 @@ Supported options for **insert** include
 
    See also ``index.decrypt`` in :any:`notmuch-config(1)`.
 
+CONFIGURATION
+=============
+
+Indexing is influenced by the configuration options
+:ref:`index.decrypt <index.decrypt>` and :ref:`index.header
+<index.header>`.  Tagging
+is controlled by :ref:`new.tags <new.tags>` and
+:ref:`maildir.synchronize_flags <maildir.synchronize_flags>`.  See
+:any:`notmuch-config(1)` for details.
+
 EXIT STATUS
 ===========
 
-- 
2.34.1