minor #5550 [docbot] Reviewed some component chapters (WouterJ)

This PR was merged into the 2.3 branch.

Discussion
----------

[docbot] Reviewed some component chapters

Commits
-------

0d28306 Fixed issues discovered by the human reviewers
b85837f Reviewed EventDispatcher docs
a045995 Fix BOM characters
01cdbf5 Reviewed some component chapters

components/class_loader/class_loader.rst

@@ -7,14 +7,14 @@ The PSR-0 Class Loader
 .. versionadded:: 2.1
     The ``ClassLoader`` class was introduced in Symfony 2.1.
 
-If your classes and third-party libraries follow the `PSR-0`_ standard, you
-can use the :class:`Symfony\\Component\\ClassLoader\\ClassLoader` class to
-load all of your project's classes.
+If your classes and third-party libraries follow the `PSR-0`_ standard,
+you can use the :class:`Symfony\\Component\\ClassLoader\\ClassLoader` class
+to load all of your project's classes.
 
 .. tip::
 
-    You can use both the ``ApcClassLoader`` and the ``XcacheClassLoader`` to
-    :doc:`cache </components/class_loader/cache_class_loader>` a ``ClassLoader``
+    You can use both the ``ApcClassLoader`` and the ``XcacheClassLoader``
+    to :doc:`cache </components/class_loader/cache_class_loader>` a ``ClassLoader``
     instance or the ``DebugClassLoader`` to :doc:`debug </components/class_loader/debug_class_loader>`
     it.
 
@@ -39,12 +39,12 @@ is straightforward::
 
 .. note::
 
-    The autoloader is automatically registered in a Symfony application (see
-    ``app/autoload.php``).
+    The autoloader is automatically registered in a Symfony application
+    (see ``app/autoload.php``).
 
-Use the :method:`Symfony\\Component\\ClassLoader\\ClassLoader::addPrefix` or
-:method:`Symfony\\Component\\ClassLoader\\ClassLoader::addPrefixes` methods to
-register your classes::
+Use :method:`Symfony\\Component\\ClassLoader\\ClassLoader::addPrefix` or
+:method:`Symfony\\Component\\ClassLoader\\ClassLoader::addPrefixes` to register
+your classes::
 
     // register a single namespaces
     $loader->addPrefix('Symfony', __DIR__.'/vendor/symfony/symfony/src');
@@ -63,9 +63,9 @@ register your classes::
         'Twig_'  => __DIR__.'/vendor/twig/twig/lib',
     ));
 
-Classes from a sub-namespace or a sub-hierarchy of `PEAR`_ classes can be looked
-for in a location list to ease the vendoring of a sub-set of classes for large
-projects::
+Classes from a sub-namespace or a sub-hierarchy of `PEAR`_ classes can be
+looked for in a location list to ease the vendoring of a sub-set of classes
+for large projects::
 
     $loader->addPrefixes(array(
         'Doctrine\\Common'           => __DIR__.'/vendor/doctrine/common/lib',
@@ -75,10 +75,10 @@ projects::
     ));
 
 In this example, if you try to use a class in the ``Doctrine\Common`` namespace
-or one of its children, the autoloader will first look for the class under the
-``doctrine-common`` directory. If not found, it will then fallback to the default
-``Doctrine`` directory (the last one configured) before giving up. The order
-of the prefix registrations is significant in this case.
+or one of its children, the autoloader will first look for the class under
+the ``doctrine-common`` directory. If not found, it will then fallback to
+the default ``Doctrine`` directory (the last one configured) before giving
+up. The order of the prefix registrations is significant in this case.
 
 .. _PEAR:  http://pear.php.net/manual/en/standards.naming.php
 .. _PSR-0: http://www.php-fig.org/psr/psr-0/

components/class_loader/class_map_generator.rst

@@ -5,10 +5,11 @@
 The Class Map Generator
 =======================
 
-Loading a class usually is an easy task given the `PSR-0`_ and `PSR-4`_ standards.
-Thanks to the Symfony ClassLoader component or the autoloading mechanism provided
-by Composer, you don't have to map your class names to actual PHP files manually.
-Nowadays, PHP libraries usually come with autoloading support through Composer.
+Loading a class usually is an easy task given the `PSR-0`_ and `PSR-4`_
+standards. Thanks to the Symfony ClassLoader component or the autoloading
+mechanism provided by Composer, you don't have to map your class names to
+actual PHP files manually. Nowadays, PHP libraries usually come with autoloading
+support through Composer.
 
 But from time to time you may have to use a third-party library that comes
 without any autoloading support and therefore forces you to load each class
@@ -44,16 +45,17 @@ it possible to create a map of class names to files.
 Generating a Class Map
 ----------------------
 
-To generate the class map, simply pass the root directory of your class files
-to the :method:`Symfony\\Component\\ClassLoader\\ClassMapGenerator::createMap`
+To generate the class map, simply pass the root directory of your class
+files to the
+:method:`Symfony\\Component\\ClassLoader\\ClassMapGenerator::createMap`
 method::
 
     use Symfony\Component\ClassLoader\ClassMapGenerator;
 
     var_dump(ClassMapGenerator::createMap(__DIR__.'/library'));
 
-Given the files and class from the table above, you should see an output like
-this:
+Given the files and class from the table above, you should see an output
+like this:
 
 .. code-block:: text
 
@@ -87,8 +89,9 @@ file in the same directory with the following contents::
     'Acme\\Bar' => '/var/www/library/bar/Foo.php',
     );
 
-Instead of loading each file manually, you'll only have to register the generated
-class map with, for example, the :class:`Symfony\\Component\\ClassLoader\\MapClassLoader`::
+Instead of loading each file manually, you'll only have to register the
+generated class map with, for example, the
+:class:`Symfony\\Component\\ClassLoader\\MapClassLoader`::
 
     use Symfony\Component\ClassLoader\MapClassLoader;
 
@@ -110,8 +113,8 @@ class map with, for example, the :class:`Symfony\\Component\\ClassLoader\\MapCla
     component.
 
 Besides dumping the class map for one directory, you can also pass an array
-of directories for which to generate the class map (the result actually is
-the same as in the example above)::
+of directories for which to generate the class map (the result actually
+is the same as in the example above)::
 
     use Symfony\Component\ClassLoader\ClassMapGenerator;
 

components/class_loader/debug_class_loader.rst

@@ -7,10 +7,10 @@ Debugging a Class Loader
 .. versionadded:: 2.1
     The ``DebugClassLoader`` class was introduced in Symfony 2.1.
 
-The :class:`Symfony\\Component\\ClassLoader\\DebugClassLoader` attempts to
-throw more helpful exceptions when a class isn't found by the registered
-autoloaders. All autoloaders that implement a ``findFile()`` method are replaced
-with a ``DebugClassLoader`` wrapper.
+The :class:`Symfony\\Component\\ClassLoader\\DebugClassLoader` attempts
+to throw more helpful exceptions when a class isn't found by the registered
+autoloaders. All autoloaders that implement a ``findFile()`` method are
+replaced with a ``DebugClassLoader`` wrapper.
 
 Using the ``DebugClassLoader`` is as easy as calling its static
 :method:`Symfony\\Component\\ClassLoader\\DebugClassLoader::enable` method::

components/class_loader/introduction.rst

@@ -11,11 +11,12 @@ Usage
 -----
 
 Whenever you reference a class that has not been required or included yet,
-PHP uses the `autoloading mechanism`_ to delegate the loading of a file defining
-the class. Symfony provides two autoloaders, which are able to load your classes:
+PHP uses the `autoloading mechanism`_ to delegate the loading of a file
+defining the class. Symfony provides two autoloaders, which are able to
+load your classes:
 
 * :doc:`/components/class_loader/class_loader`: loads classes that follow
-  the `PSR-0` class naming standard;
+  the `PSR-0`_ class naming standard;
 
 * :doc:`/components/class_loader/map_class_loader`: loads classes using
   a static map from class name to file path.
@@ -38,5 +39,6 @@ You can install the component in 2 different ways:
 
 .. include:: /components/require_autoload.rst.inc
 
+.. _PSR-0: http://www.php-fig.org/psr/psr-0/
 .. _`autoloading mechanism`: http://php.net/manual/en/language.oop5.autoload.php
 .. _Packagist: https://packagist.org/packages/symfony/class-loader

components/class_loader/map_class_loader.rst

@@ -4,20 +4,22 @@
 MapClassLoader
 ==============
 
-The :class:`Symfony\\Component\\ClassLoader\\MapClassLoader` allows you to
-autoload files via a static map from classes to files. This is useful if you
-use third-party libraries which don't follow the `PSR-0`_ standards and so
-can't use the :doc:`PSR-0 class loader </components/class_loader/class_loader>`.
+The :class:`Symfony\\Component\\ClassLoader\\MapClassLoader` allows you
+to autoload files via a static map from classes to files. This is useful
+if you use third-party libraries which don't follow the `PSR-0`_ standards
+and so can't use the
+:doc:`PSR-0 class loader </components/class_loader/class_loader>`.
 
-The ``MapClassLoader`` can be used along with the :doc:`PSR-0 class loader </components/class_loader/class_loader>`
-by configuring and calling the ``register()`` method on both.
+The ``MapClassLoader`` can be used along with the
+:doc:`PSR-0 class loader </components/class_loader/class_loader>` by
+configuring and calling the ``register()`` method on both.
 
 .. note::
 
     The default behavior is to append the ``MapClassLoader`` on the autoload
-    stack. If you want to use it as the first autoloader, pass ``true`` when
-    calling the ``register()`` method. Your class loader will then be prepended
-    on the autoload stack.
+    stack. If you want to use it as the first autoloader, pass ``true``
+    when calling the ``register()`` method. Your class loader will then
+    be prepended on the autoload stack.
 
 Usage
 -----

components/config/caching.rst

@@ -1,26 +1,27 @@
 .. index::
    single: Config; Caching based on resources
 
-Caching Based on Resources
+Caching based on Resources
 ==========================
 
-When all configuration resources are loaded, you may want to process the configuration
-values and combine them all in one file. This file acts like a cache. Its
-contents don’t have to be regenerated every time the application runs – only
-when the configuration resources are modified.
+When all configuration resources are loaded, you may want to process the
+configuration values and combine them all in one file. This file acts
+like a cache. Its contents don’t have to be regenerated every time the
+application runs – only when the configuration resources are modified.
 
 For example, the Symfony Routing component allows you to load all routes,
 and then dump a URL matcher or a URL generator based on these routes. In
-this case, when one of the resources is modified (and you are working in a
-development environment), the generated file should be invalidated and regenerated.
-This can be accomplished by making use of the :class:`Symfony\\Component\\Config\\ConfigCache`
-class.
-
-The example below shows you how to collect resources, then generate some code
-based on the resources that were loaded, and write this code to the cache. The
-cache also receives the collection of resources that were used for generating
-the code. By looking at the "last modified" timestamp of these resources,
-the cache can tell if it is still fresh or that its contents should be regenerated::
+this case, when one of the resources is modified (and you are working
+in a development environment), the generated file should be invalidated
+and regenerated. This can be accomplished by making use of the
+:class:`Symfony\\Component\\Config\\ConfigCache` class.
+
+The example below shows you how to collect resources, then generate some
+code based on the resources that were loaded and write this code to the
+cache. The cache also receives the collection of resources that were used
+for generating the code. By looking at the "last modified" timestamp of
+these resources, the cache can tell if it is still fresh or that its contents
+should be regenerated::
 
     use Symfony\Component\Config\ConfigCache;
     use Symfony\Component\Config\Resource\FileResource;
@@ -52,8 +53,8 @@ the cache can tell if it is still fresh or that its contents should be regenerat
     // you may want to require the cached code:
     require $cachePath;
 
-In debug mode, a ``.meta`` file will be created in the same directory as the
-cache file itself. This ``.meta`` file contains the serialized resources,
-whose timestamps are used to determine if the cache is still fresh. When not
-in debug mode, the cache is considered to be "fresh" as soon as it exists,
+In debug mode, a ``.meta`` file will be created in the same directory as
+the cache file itself. This ``.meta`` file contains the serialized resources,
+whose timestamps are used to determine if the cache is still fresh. When
+not in debug mode, the cache is considered to be "fresh" as soon as it exists,
 and therefore no ``.meta`` file will be generated.