As seen in the list of apps available to OpenERP 7, as well as 'Payroll Accounting', 'Payroll' and 'Accounting and Finance'; there are some other modules like 'Belgium - Payroll', 'Belgium - Payroll with Accounting', 'French Payroll', 'Indian Payroll', some alike for Canada with or without Quebec, 'Peru - Payroll' and 'Tunisia-payroll'; for the time being.

What is the purpose of all this l10n information spread over different addons? Is it that are these addons developed by amateurs that do not have write privileges to the master sources?