Reviewed and changed a bug fix (No TRAC entry) on the display of external fields when the external key is null. The actual fix is to consider that null is a value. Isset() should be used with care because one could not differentiate a missing value (in an array or a value that is null)
Reviewed and changed a bug fix (No TRAC entry) on the display of external fields when the external key is null. The actual fix is to consider that null is a value. Isset() should be used with care because one could not differentiate a missing value (in an array or a value that is null)

git-svn-id: efba275c3291004ad656db059d43564e37a1fae9@205 60fe80c7-c1f8-43be-bd32-c3e8feb7a3b0

dflaven/itop,dflaven/itop,dflaven/itop,dflaven/itop,dflaven/itop