symfony/symfony — pull request #7930 by xabbuh (2013-05-04 11:48:30+00:00)
Title: handle Optional and Required constraints from XML or YAML sources correc...

...tly

| Q | A
| ------------- | ---
| Bug fix? | yes
| New feature? | no
| BC breaks? | no
| Deprecations? | no
| Tests pass? | yes
| Fixed tickets | #7575
| License | MIT
| Doc PR | symfony/symfony-docs#2432