symfony/symfony-docs — pull request #2522 by sprain (2013-04-20 16:32:52+00:00)
Title: Improved Luhn validator doc

| Q | A
| ------------- | ---
| Doc fix? | yes
| New docs? | no
| Applies to | 2.2+
| Fixed tickets | none

Based on feedback from @WouterJ on the Iban validator doc.
See #2521