Merging invoice fixes from branches 1.2

git-svn-id: https://ledger-smb.svn.sourceforge.net/svnroot/ledger-smb/trunk@2042 4979c152-3d1c-0410-bac9-87ea11338e46

1 files changed, 3 insertions, 3 deletions

diff --git a/bin/is.pl b/bin/is.pl
index edb2f0f0..0603db5e 100644
--- a/bin/is.pl
+++ b/bin/is.pl
@@ -974,9 +974,9 @@ sub update {
                 for ( keys %{ $form->{item_list}[0] } ) {
                     $form->{"${_}_$i"} = $form->{item_list}[0]{$_};
                 }
-
-                $form->{"discount_$i"} = $form->{discount} * 100;
-
+                if (! defined $form->{"discount_$i"}){
+                    $form->{"discount_$i"} = $form->{discount} * 100;
+                }
                 if ($sellprice) {
                     $form->{"sellprice_$i"} = $sellprice;