Followup r77793, documentation for icon as a string was missing.

diff --git a/includes/DefaultSettings.php b/includes/DefaultSettings.php
index 4e948ab..47db322 100644 (file)
--- a/includes/DefaultSettings.php
+++ b/includes/DefaultSettings.php
@@ -2268,11 +2268,16 @@ $wgExperimentalHtmlIds = true;
  * a new block. Though note that you may need to add some custom css to get good styling
  * of new blocks in monobook. vector and modern should work without any special css.
  * 
- * $wgFooterIcons itself is a key/value array. The key being the name of a block that
- * icons will be wrapped in. The final id varries by skin.
- * The value being a key/value array of icons. The key may or may not be used by the
+ * $wgFooterIcons itself is a key/value array.
+ * The key os the name of a block that the icons will be wrapped in.
+ * The final id varries by skin; Monobook and Vector will turn poweredby into f-poweredbyico
+ * while Modern turns it into mw_poweredby.
+ * The value is a key/value array of icons. The key may or may not be used by the
  * skin but it can be used to find the icon and unset it or change the icon if needed.
- * The innermost array has the following keys:
+ * This is useful for disabling icons that are set by extensions.
+ * The value should be either a string or an array.
+ * If it is a string it will be output directly, however some skins may choose to ignore it.
+ * An array is the preferred format for the icon, the following keys are used:
  *   src: An absolute url to the image to use for the icon, this is recommended
  *        but not required, however some skins will ignore icons without an image
  *   url: The url to use in the <a> arround the text or icon, if not set an <a> will not be outputted