Ticket #2813: 2813.patch

formatting.php

@@ -80 +80 @@
         $pee = preg_replace('!(</?' . $allblocks . '[^>]*>)\s*</p>!', "$1", $pee);
         if ($br) {
                 $pee = preg_replace('/<(script|style).*?<\/\\1>/se', 'str_replace("\n", "<WPPreserveNewline />", "\\0")', $pee);
-                $pee = preg_replace('|(?<!<br />)\s*\n|', "<br />\n", $pee); // optionally make line breaks
+                $pee = preg_replace('|(?<!<br />)\s+\n|', "<br />\n", $pee); // optionally make line breaks
                 $pee = str_replace('<WPPreserveNewline />', "\n", $pee);
         }
         $pee = preg_replace('!(</?' . $allblocks . '[^>]*>)\s*<br />!', "$1", $pee);