Merge branch '5.1' into master

* 5.1:
  Removed versionadded 4.4 directives
  Fixed DOCtor errors

Author: wouterj

configuration.rst

@@ -144,10 +144,6 @@ configuration files, even if they use a different format:
 
         // ...
 
-.. versionadded:: 4.4
-
-    The ``not_found`` option value for ``ignore_errors`` was introduced in Symfony 4.4.
-
 .. _config-parameter-intro:
 .. _config-parameters-yml:
 .. _configuration-parameters:

service_container/tags.rst

@@ -735,19 +735,19 @@ indexed by the ``key`` attribute:
         <container xmlns="http://symfony.com/schema/dic/services"
             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
             xsi:schemaLocation="http://symfony.com/schema/dic/services
-                http://symfony.com/schema/dic/services/services-1.0.xsd">
+                https://symfony.com/schema/dic/services/services-1.0.xsd">
 
             <services>
                 <service id="App\Handler\One">
-                    <tag name="app.handler" key="handler_one" />
+                    <tag name="app.handler" key="handler_one"/>
                 </service>
 
                 <service id="App\Handler\Two">
-                    <tag name="app.handler" key="handler_two" />
+                    <tag name="app.handler" key="handler_two"/>
                 </service>
 
                 <service id="App\HandlerCollection">
-                    <argument type="tagged_iterator" tag="app.handler" index-by="key" />
+                    <argument type="tagged_iterator" tag="app.handler" index-by="key"/>
                 </service>
             </services>
         </container>
@@ -836,7 +836,7 @@ to get an array and then retrieve the ``handler_two`` handler::
             <container xmlns="http://symfony.com/schema/dic/services"
                 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                 xsi:schemaLocation="http://symfony.com/schema/dic/services
-                    http://symfony.com/schema/dic/services/services-1.0.xsd">
+                    https://symfony.com/schema/dic/services/services-1.0.xsd">
 
                 <services>
                     <!-- ... --!>