$form->isblank("invdate", $locale->text('Invoice Date missing!'));
$form->isblank("vendor", $locale->text('Vendor missing!'));
+ $form->{invnumber} =~ s/^\s*//g;
+ $form->{invnumber} =~ s/\s*$//g;
+
# if the vendor changed get new values
if (&check_name(vendor)) {
&update;