Merge pull request #2642 from mpartel/progresshelper-clear

[WCM] Documented ProgressHelper's clear() method.

Author: weaverryan

components/console/helpers/progresshelper.rst

@@ -10,6 +10,9 @@ Progress Helper
 .. versionadded:: 2.3
     The ``setCurrent`` method was added in Symfony 2.3.
 
+.. versionadded:: 2.4
+    The ``clear`` method was added in Symfony 2.4.
+
 When executing longer-running commands, it may be helpful to show progress
 information, which updates as your command runs:
 
@@ -37,6 +40,12 @@ pass it a total number of units, and advance the progress as your command execut
     :method:`Symfony\\Component\\Console\\Helper\\ProgressHelper::setCurrent`
     method.
 
+If you want to output something while the progress bar is running,
+call :method:`Symfony\\Component\\Console\\Helper\\ProgressHelper::clear` first.
+After you're done, call
+:method:`Symfony\\Component\\Console\\Helper\\ProgressHelper::display`
+to show the progress bar again.
+
 The appearance of the progress output can be customized as well, with a number
 of different levels of verbosity. Each of these displays different possible
 items - like percentage completion, a moving progress bar, or current/total