symfony/symfony — pull request #7357 by tPl0ch (2013-03-13 10:34:01+00:00)
Title: [DependencyInjection] Added @@ escaping strategy for YamlFileLoader and YamlDumper

Added the possibility to to use ```@@``` as an escaping strategy for
parameters that should be treated as strings but start with ```@```
(i.e. safe mailer passwords).

This PR is deprecating https://github.com/symfony/symfony/pull/7307, since as a new feature it has to be compared against the master branch.

| Q | A |
| ------ | ------ |
| Bug fix? | yes |
| New feature? | yes |
| BC breaks? | no |
| Deprecations? | no |
| Tests pass? | yes |
| Fixed tickets | #4889 |