minor #6180 use single quotes for YAML strings (snoek09)

This PR was merged into the 2.3 branch.

Discussion
----------

use single quotes for YAML strings

| Q             | A
| ------------- | ---
| Doc fix?      | yes
| New docs?     | no
| Applies to    | all
| Fixed tickets | #5935

Commits
-------

7a95ebb use single quotes for YAML strings

Author: xabbuh

Diff for: components/dependency_injection/configurators.rst

@@ -145,7 +145,7 @@ The service config for the above classes would look something like this:
             newsletter_manager:
                 class:     NewsletterManager
                 calls:
-                    - [setMailer, ["@my_mailer"]]
+                    - [setMailer, ['@my_mailer']]
                 configurator: ['@email_configurator', configure]
 
             greeting_card_manager:

Diff for: components/dependency_injection/factories.rst

@@ -152,7 +152,7 @@ method in the previous example takes the ``templating`` service as an argument:
                 factory_service:  newsletter_manager_factory
                 factory_method:   createNewsletterManager
                 arguments:
-                    - "@templating"
+                    - '@templating'
 
     .. code-block:: xml
 

Diff for: components/dependency_injection/introduction.rst

@@ -243,7 +243,7 @@ config files:
             newsletter_manager:
                 class:     NewsletterManager
                 calls:
-                    - [setMailer, ["@mailer"]]
+                    - [setMailer, ['@mailer']]
 
     .. code-block:: xml
 

Diff for: components/dependency_injection/parentservices.rst

@@ -192,8 +192,8 @@ a parent for a service.
             mail_manager:
                 abstract:  true
                 calls:
-                    - [setMailer, ["@my_mailer"]]
-                    - [setEmailFormatter, ["@my_email_formatter"]]
+                    - [setMailer, ['@my_mailer']]
+                    - [setEmailFormatter, ['@my_email_formatter']]
 
             newsletter_manager:
                 class:  "NewsletterManager"
@@ -320,17 +320,17 @@ to the ``NewsletterManager`` class, the config would look like this:
             mail_manager:
                 abstract: true
                 calls:
-                    - [setMailer, ["@my_mailer"]]
-                    - [setEmailFormatter, ["@my_email_formatter"]]
+                    - [setMailer, ['@my_mailer']]
+                    - [setEmailFormatter, ['@my_email_formatter']]
 
             newsletter_manager:
-                class:  "NewsletterManager"
+                class:  'NewsletterManager'
                 parent: mail_manager
                 calls:
-                    - [setMailer, ["@my_alternative_mailer"]]
+                    - [setMailer, ['@my_alternative_mailer']]
 
             greeting_card_manager:
-                class:  "GreetingCardManager"
+                class:  'GreetingCardManager'
                 parent: mail_manager
 
     .. code-block:: xml

Diff for: components/dependency_injection/types.rst

@@ -126,7 +126,7 @@ that accepts the dependency::
             newsletter_manager:
                 class:     NewsletterManager
                 calls:
-                    - [setMailer, ["@my_mailer"]]
+                    - [setMailer, ['@my_mailer']]
 
     .. code-block:: xml
 

Diff for: cookbook/logging/monolog.rst

@@ -347,7 +347,7 @@ using a processor.
 
             monolog.processor.session_request:
                 class: AppBundle\SessionRequestProcessor
-                arguments:  ["@session"]
+                arguments:  ['@session']
                 tags:
                     - { name: monolog.processor, method: processRecord }
 
@@ -446,7 +446,7 @@ the ``monolog.processor`` tag:
         services:
             monolog.processor.session_request:
                 class: AppBundle\SessionRequestProcessor
-                arguments:  ["@session"]
+                arguments:  ['@session']
                 tags:
                     - { name: monolog.processor, method: processRecord, handler: main }
 
@@ -497,7 +497,7 @@ the ``monolog.processor`` tag:
         services:
             monolog.processor.session_request:
                 class: AppBundle\SessionRequestProcessor
-                arguments:  ["@session"]
+                arguments:  ['@session']
                 tags:
                     - { name: monolog.processor, method: processRecord, channel: main }
 

Diff for: cookbook/service_container/scopes.rst

@@ -149,7 +149,7 @@ your code. This should also be taken into account when declaring your service:
             greeting_card_manager:
                 class: AppBundle\Mail\GreetingCardManager
                 calls:
-                    - [setRequest, ["@?request="]]
+                    - [setRequest, ['@?request=']]
 
     .. code-block:: xml
 

Diff for: reference/configuration/twig.rst

@@ -21,7 +21,7 @@ TwigBundle Configuration ("twig")
             globals:
 
                 # Examples:
-                foo:                 "@bar"
+                foo:                 '@bar'
                 pi:                  3.14
 
                 # Example options, but the easiest use is as seen above