minor #33142 Fixed markdown file (lyrixx)

This PR was squashed before being merged into the 3.4 branch (closes #33142).

Discussion
----------

Fixed markdown file

| Q             | A
| ------------- | ---
| Branch?       | 3.4
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT
| Doc PR        | -

Commits
-------

1369725 Fixed markdown file

CHANGELOG-3.4.md

@@ -257,7 +257,7 @@ To get the diff between two versions, go to https://github.com/symfony/symfony/c
  * bug #29355 [PropertyAccess] calculate cache keys for property setters depending on the value (xabbuh)
  * bug #29369 [DI] fix combinatorial explosion when analyzing the service graph (nicolas-grekas)
  * bug #29349 [Debug] workaround opcache bug mutating "$this" !?! (nicolas-grekas)
- 
+
 * 3.4.19 (2018-11-26)
 
  * bug #29318 [Console] Move back root exception to stack trace in verbose mode (chalasr)

CONTRIBUTORS.md

@@ -760,7 +760,7 @@ Symfony is the result of the work of many people who made the code better
  - Thomas Ploch
  - Benjamin Grandfond (benjamin)
  - Tiago Brito (blackmx)
- - 
+ -
  - Richard van den Brand (ricbra)
  - develop
  - flip111

UPGRADE-3.0.md

@@ -595,7 +595,7 @@ UPGRADE FROM 2.x to 3.0
       }
    }
    ```
-   
+
    If the form is submitted with a different request method than `POST`, you need to configure this in the form:
 
    Before:

src/Symfony/Bundle/FrameworkBundle/CHANGELOG.md

@@ -19,17 +19,17 @@ CHANGELOG
  * Deprecated the `KernelTestCase::getPhpUnitXmlDir()` and `KernelTestCase::getPhpUnitCliConfigArgument()` methods.
  * Deprecated `AddCacheClearerPass`, use tagged iterator arguments instead.
  * Deprecated `AddCacheWarmerPass`, use tagged iterator arguments instead.
- * Deprecated `TranslationDumperPass`, use 
+ * Deprecated `TranslationDumperPass`, use
    `Symfony\Component\Translation\DependencyInjection\TranslationDumperPass` instead
- * Deprecated `TranslationExtractorPass`, use 
+ * Deprecated `TranslationExtractorPass`, use
    `Symfony\Component\Translation\DependencyInjection\TranslationExtractorPass` instead
- * Deprecated `TranslatorPass`, use 
+ * Deprecated `TranslatorPass`, use
    `Symfony\Component\Translation\DependencyInjection\TranslatorPass` instead
  * Added `command` attribute to the `console.command` tag which takes the command
    name as value, using it makes the command lazy
  * Added `cache:pool:prune` command to allow manual stale cache item pruning of supported PSR-6 and PSR-16 cache pool
    implementations
- * Deprecated `Symfony\Bundle\FrameworkBundle\Translation\TranslationLoader`, use 
+ * Deprecated `Symfony\Bundle\FrameworkBundle\Translation\TranslationLoader`, use
    `Symfony\Component\Translation\Reader\TranslationReader` instead
  * Deprecated `translation.loader` service, use `translation.reader` instead
  * `AssetsInstallCommand::__construct()` now takes an instance of

src/Symfony/Bundle/FrameworkBundle/Tests/Fixtures/Descriptor/route_1.md

@@ -5,11 +5,11 @@
 - Scheme: http|https
 - Method: GET|HEAD
 - Class: Symfony\Bundle\FrameworkBundle\Tests\Console\Descriptor\RouteStub
-- Defaults: 
+- Defaults:
     - `name`: Joseph
-- Requirements: 
+- Requirements:
     - `name`: [a-z]+
-- Options: 
+- Options:
     - `compiler_class`: Symfony\Component\Routing\RouteCompiler
     - `opt1`: val1
     - `opt2`: val2

src/Symfony/Bundle/FrameworkBundle/Tests/Fixtures/Descriptor/route_2.md

@@ -7,7 +7,7 @@
 - Class: Symfony\Bundle\FrameworkBundle\Tests\Console\Descriptor\RouteStub
 - Defaults: NONE
 - Requirements: NO CUSTOM
-- Options: 
+- Options:
     - `compiler_class`: Symfony\Component\Routing\RouteCompiler
     - `opt1`: val1
     - `opt2`: val2

src/Symfony/Bundle/FrameworkBundle/Tests/Fixtures/Descriptor/route_collection_1.md

@@ -8,11 +8,11 @@ route_1
 - Scheme: http|https
 - Method: GET|HEAD
 - Class: Symfony\Bundle\FrameworkBundle\Tests\Console\Descriptor\RouteStub
-- Defaults: 
+- Defaults:
     - `name`: Joseph
-- Requirements: 
+- Requirements:
     - `name`: [a-z]+
-- Options: 
+- Options:
     - `compiler_class`: Symfony\Component\Routing\RouteCompiler
     - `opt1`: val1
     - `opt2`: val2
@@ -30,7 +30,7 @@ route_2
 - Class: Symfony\Bundle\FrameworkBundle\Tests\Console\Descriptor\RouteStub
 - Defaults: NONE
 - Requirements: NO CUSTOM
-- Options: 
+- Options:
     - `compiler_class`: Symfony\Component\Routing\RouteCompiler
     - `opt1`: val1
     - `opt2`: val2

src/Symfony/Bundle/SecurityBundle/CHANGELOG.md

@@ -9,7 +9,7 @@ CHANGELOG
  * Tagging voters with the `security.voter` tag without implementing the
    `VoterInterface` on the class is now deprecated and will be removed in 4.0.
  * [BC BREAK] `FirewallContext::getListeners()` now returns `\Traversable|array`
- * added info about called security listeners in profiler 
+ * added info about called security listeners in profiler
  * Added `logout_on_user_change` to the firewall options. This config item will
    trigger a logout when the user has changed. Should be set to true to avoid
    deprecations in the configuration.

src/Symfony/Bundle/WebServerBundle/CHANGELOG.md

@@ -4,7 +4,7 @@ CHANGELOG
 3.4.0
 -----
 
- * WebServer can now use '*' as a wildcard to bind to 0.0.0.0 (INADDR_ANY)
+ * WebServer can now use `*` as a wildcard to bind to 0.0.0.0 (INADDR_ANY)
 
 3.3.0
 -----

src/Symfony/Component/Console/CHANGELOG.md

@@ -22,7 +22,7 @@ CHANGELOG
   with value optional explicitly passed empty
 * added console.error event to catch exceptions thrown by other listeners
 * deprecated console.exception event in favor of console.error
-* added ability to handle `CommandNotFoundException` through the 
+* added ability to handle `CommandNotFoundException` through the
  `console.error` event
 * deprecated default validation in `SymfonyQuestionHelper::ask`
 
@@ -38,7 +38,7 @@ CHANGELOG
 -----
 
  * added truncate method to FormatterHelper
- * added setColumnWidth(s) method to Table 
+ * added setColumnWidth(s) method to Table
 
 2.8.3
 -----

src/Symfony/Component/Ldap/README.md

@@ -6,7 +6,7 @@ A Ldap client for PHP on top of PHP's ldap extension.
 Disclaimer
 ----------
 
-This component is only stable since Symfony 3.1. Earlier versions 
+This component is only stable since Symfony 3.1. Earlier versions
 have been marked as internal as they still needed some work.
 Breaking changes were introduced in Symfony 3.1, so code relying on
 previous version of the component will break with this version.

src/Symfony/Component/Serializer/CHANGELOG.md

@@ -9,7 +9,7 @@ CHANGELOG
  * added support for serializing `DateInterval` objects
  * added getter for extra attributes in `ExtraAttributesException`
  * improved `CsvEncoder` to handle variable nested structures
- * CSV headers can be passed to the `CsvEncoder` via the `csv_headers` serialization context variable 
+ * CSV headers can be passed to the `CsvEncoder` via the `csv_headers` serialization context variable
  * added `$context` when checking for encoding, decoding and normalizing in `Serializer`
 
 3.3.0
@@ -70,7 +70,7 @@ CHANGELOG
 
  * added `$context` support for XMLEncoder.
  * [DEPRECATION] JsonEncode and JsonDecode where modified to throw
-   an exception if error found. No need for get*Error() functions
+   an exception if error found. No need for `get*Error()` functions
 
 2.3.0
 -----