[ic] mv_data_function and blank fields not working

[interchange-users@interchange.redhat.com (Bill Carr)]

On Wed, 2002-06-05 at 08:12, Tim Nelson wrote:
> I have a form that is using mv_data_function to update
> fields in the userdb.  The field allow_cat has a list
> of categories the user can buy from.  I want to
> be able to have a blank field mean "allow all
> categories".  Problem is I am using a <select> list
> and collecting the data using mv_form_profile, but
> when I set the CGI variable to "" IC won't
> overwrite the existing value.  Any I missing
> something obvious here? Thanks.
mv_update_empty=1

-- 
Bill Carr
Worldwide Impact
bill@worldwideimpact.com
413-253-6700