symfony/symfony-docs — pull request #2401 by Sgoettschkes (2013-03-30 12:31:22+00:00)
Title: Documenting the virtual option for types where it makes sense.

This PR includes the documentation of the `virtual` option for those types which make sense to use with this option. When this is merged upstream, part two of #1387 can be appproached by adding the mapped documentation to the 2.1 branch.

| Q | A
| ------------- | ---
| Doc fix? | yes (Improvementt on existing docs)
| New docs? | yes
| Applies to | 2.0+
| Fixed tickets | #1387 (incomplete)