-;; * xfields uses the field name to create custom fields in bbdb. It downcases
-;; the field name, and replaces spaces with "-".
-;; * For example, if you had a csv data for bbdb's mail-alias, you could add to :xfields
-;; a csv field name would become "mail-alias", like "Mail Alias" or "Mail-alias"
+;; * :xfields uses the csv field name to create custom fields in bbdb. It downcases
+;; the field name, and replaces spaces with "-", and repeating dashes with a
+;; single one . For example, if you had a csv named "Mail Alias" or "Mail - alias",
+;; you could add it to :xfields in a mapping table and it would become "mail-alias"
+;; in bbdb.