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-rw-r--r--modules/block/block.api.php6
1 files changed, 4 insertions, 2 deletions
diff --git a/modules/block/block.api.php b/modules/block/block.api.php
index e63994ebd..d8e129e2f 100644
--- a/modules/block/block.api.php
+++ b/modules/block/block.api.php
@@ -200,11 +200,13 @@ function hook_block_save($delta = '', $edit = array()) {
* within the module, defined in hook_block_info().
*
* @return
- * An array containing the following elements:
+ * Either an empty array so the block will not be shown or an array containing
+ * the following elements:
* - subject: The default localized title of the block. If the block does not
* have a default title, this should be set to NULL.
* - content: The content of the block's body. This may be a renderable array
- * (preferable) or a string containing rendered HTML content.
+ * (preferable) or a string containing rendered HTML content. If the content
+ * is empty the block will not be shown.
*
* For a detailed usage example, see block_example.module.
*