symfony/symfony-docs — pull request #2841 by xabbuh (2013-07-22 08:22:41+00:00)
Title: add YAML and XML example for Required and Optional field constraints in ...

...a Collection constraint

| Q | A
| ------------- | ---
| Doc fix? | yes
| New docs? | yes (symfony/symfony#7930)
| Applies to | all
| Fixed tickets |