symfony/symfony-docs — pull request #4215 by WouterJ (2014-09-09 17:54:21+00:00)
Title: Fixed code highlighting

| Q | A
| --- | ---
| Doc fix? | yes
| New docs? | no
| Applies to | all
| Fixed tickets | -

> Double quoted strings are the only scalar style capable of expressing arbitrary strings, by using “\” escape sequences.
> - http://yaml.org/spec/1.1/#id904245

`\w` is an invalid escape sequence in Yaml, causing the Yaml highlighter to fail.