-This is an optional setting that allows you to specify an alternative field to be displayed in the extra (third) column if there is no data for the field specified in extra_column for a particular item. The numerical codes for the fields are the same as above. Please note that the data shown where the alternative field has been used will NOT be marked differently in any way from the rest of the extra column. There is no default.
+This is an optional setting that allows you to specify an alternative field to be displayed in the extra (third) column if there is no data for the field specified in extra_column for a particular item. The strings for the fields are the same as above. Please note that the data shown where the alternative field has been used will NOT be marked differently in any way from the rest of the extra column. There is no default.
.TP
\fBextrapos\fP=column
.TP
\fBextrapos\fP=column
@@ -82,10+83,6 @@ Defines whether to return all email addresses matching the search criteria to a
\fBprint_command\fP=command
Defines the command to used when printing the addressbook. Default is "lpr".
\fBprint_command\fP=command
Defines the command to used when printing the addressbook. Default is "lpr".
-.TP
-\fBfilesel_sort\fP=[true|false]
-Defines whether to sort the files in the fileselector in alphabetical order. Default is false.
-
.TP
\fBwww_command\fP=command
Defines the command used to start the web browser to view a contact's URL. Default is "lynx".
.TP
\fBwww_command\fP=command
Defines the command used to start the web browser to view a contact's URL. Default is "lynx".
@@ -98,6+95,10 @@ Defines the style of address formatting to be used when exporting as text / prin
\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.
\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.
+
.SH SAMPLE CONFIGURATION FILE
.nf
.SH SAMPLE CONFIGURATION FILE
.nf
@@ -105,16+106,16 @@ This option allows you to force Abook use only ASCII characters. This option is