silverstripe/silverstripe-framework — pull request #3553 by nhorstmeier (2014-10-14 20:20:55+00:00)
Title: Bugfix NumericField shows (none) for 0 on readonly

When using a ```NumericField``` and calling ```performReadonlyTransformation()``` it will show (none) for a zero value. I've essentially brought over what the ```CheckboxField``` does on the readonly transformation.