+.TP
+\fBuse_ascii_only\fP=[true|false]
+This option allows you to force Abook use only ASCII characters. This option is useful if your terminal doesn't support non-ASCII characters. Default is false.
+
+.TP
+\fBadd_email_prevent_duplicates\fP=[true|false]
+Defines whether to avoid adding addresses already in data. Default is false.
+
+.TP
+\fBsort_field\fP=field
+Defines the field to be used by the "sort by field" command. Default is "nick" (Nickname/Alias).
+
+.TP
+\fBshow_cursor\fP=[true|false]
+Defines if the cursor is visible in main display. Default is false.
+