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-rw-r--r--includes/rcfeed/RCFeedFormatter.php3
1 files changed, 2 insertions, 1 deletions
diff --git a/includes/rcfeed/RCFeedFormatter.php b/includes/rcfeed/RCFeedFormatter.php
index 2f156598..f7e62ee6 100644
--- a/includes/rcfeed/RCFeedFormatter.php
+++ b/includes/rcfeed/RCFeedFormatter.php
@@ -32,7 +32,8 @@ interface RCFeedFormatter {
* @param RecentChange $rc The RecentChange object showing what sort
* of event has taken place.
* @param string|null $actionComment
- * @return string The text to send.
+ * @return string|null The text to send. If the formatter returns null,
+ * the line will not be sent.
*/
public function getLine( array $feed, RecentChange $rc, $actionComment );
}