Merge branch '4.3' into 4.4

* 4.3:
  Fix minor typos in Encore Webpack
  Fix construction of SmtpTransport in Mailer docs

Author: OskarStark

components/mailer.rst

@@ -29,9 +29,9 @@ Usage
 The Mailer component has two main classes: a ``Transport`` and the ``Mailer`` itself::
 
     use Symfony\Component\Mailer\Mailer;
-    use Symfony\Component\Mailer\Transport\Smtp\SmtpTransport;
+    use Symfony\Component\Mailer\Transport\Smtp\EsmtpTransport;
 
-    $transport = new SmtpTransport('localhost');
+    $transport = new EsmtpTransport('localhost');
     $mailer = new Mailer($transport);
     $mailer->send($email);
 

frontend/encore/advanced-config.rst

@@ -146,7 +146,7 @@ without using the ``encore`` command you will encounter the following error:
 
     Error: Encore.setOutputPath() cannot be called yet because the runtime environment doesn't appear to be configured. Make sure you're using the encore executable or call Encore.configureRuntimeEnvironment() first if you're purposely not calling Encore directly.
 
-The reason behind that message is that Encore needs to know a few thing before
+The reason behind that message is that Encore needs to know a few things before
 being able to create a configuration object, the most important one being what
 the target environment is.
 

frontend/encore/faq.rst

@@ -74,7 +74,7 @@ like ``/myAppSubdir``), you will need to configure that when calling ``Encore.se
     +     .setPublicPath('/myAppSubdir/build')
 
     +     // this is now needed so that your manifest.json keys are still `build/foo.js`
-    +     // (which is a file that's used by Symfony's asset function)
+    +     // (which is a file that's used by Symfony's `asset()` function)
     +     .setManifestKeyPrefix('build')
     ;
 

frontend/encore/postcss.rst

@@ -24,7 +24,7 @@ Next, create a ``postcss.config.js`` file at the root of your project:
         }
     }
 
-Then, Enable the loader in Encore!
+Then, enable the loader in Encore!
 
 .. code-block:: diff