Ticket #19749: 19749-1.diff

docs/howto/custom-management-commands.txt

@@ -70 +70 @@
     output, you should write to ``self.stdout`` and ``self.stderr``,
     instead of printing to ``stdout`` and ``stderr`` directly. By
     using these proxies, it becomes much easier to test your custom
-    command.
+    command. Note also that you don't need to end messages with a newline
+    character, it will be added automatically.
 
 The new custom command can be called using ``python manage.py closepoll
 <poll_id>``.

docs/releases/1.5.txt

@@ -253 +253 @@
   from :ref:`call_command <call-command>`. Any exception raised by the command
   (mostly :ref:`CommandError <ref-command-exceptions>`) is propagated.
 
+  Moreover, when you output errors or messages in your custom commands, you
+  should now use ``self.stdout.write('message')`` and
+  ``self.stderr.write('error')`` (newline will be added automatically).
+
 * The dumpdata management command outputs one row at a time, preventing
   out-of-memory errors when dumping large datasets.