+ * Shell/fgrep/perl combination [nottoomuch-addresses.sh](http://www.iki.fi/too/nottoomuch/nottoomuch-addresses/).
+ This tools maintains it's own address "database" gathered from email
+ files notmuch knows and search from that "database" is done by fgrep(1).
+
+You can perform tab-completion using any of these programs. Just add the following to your .emacs: