+ See also :nmconfig:`index.decrypt` in :any:`notmuch-config(1)`.
+
+CONFIGURATION
+=============
+
+Indexing is influenced by the configuration options
+:nmconfig:`index.decrypt` and :nmconfig:`index.header.\<prefix\>`. Tagging
+is controlled by options :nmconfig:`new.tags` and
+:nmconfig:`maildir.synchronize_flags`. See
+:any:`notmuch-config(1)` for details.