Fixed errors in refactoring ( rev4, almost there)

diff --git a/course/format/topics/commands.php b/course/format/topics/commands.php
index 8eeda4d4b4f22f1630898b9275e8fa22d3867b5b..c166b9cf60616a6ef31a31e042eb6eadfc7dacbf 100644 (file)
--- a/course/format/topics/commands.php
+++ b/course/format/topics/commands.php
@@ -15,7 +15,7 @@ $value      = optional_param('value', 0, PARAM_INT);
 $column     = optional_param('column', 0, PARAM_ALPHA);
 $id         = optional_param('id', 0, PARAM_INT);
 $summary    = optional_param('summary', '', PARAM_ALPHA);
-$sequence   = optional_param('sequence', '', PARAM_ALPHANUM);
+$sequence   = optional_param('sequence', '', PARAM_SEQUENCE);
 $visible    = optional_param('visible', 0, PARAM_INT);
 
 // Authorise the user and verify some incoming data