Fixing comment - it is possible.

diff --git a/includes/Article.php b/includes/Article.php
index 660220b..52a4166 100644 (file)
--- a/includes/Article.php
+++ b/includes/Article.php
@@ -1923,8 +1923,8 @@ class Article {
 
                        $length = strlen( $text );
 
-                       # this should not happen, since it is not possible to store an empty, new
-                       # page. Let's insert a standard text in case it does, though
+                       # If the last revision is a blank revision (move, import or
+                       # protection summary) and the one before it was blank
                        if( $length == 0 && $reason === '' ) {
                                $reason = wfMsgForContent( 'exblank' );
                        }