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-rw-r--r--includes/form.inc4
1 files changed, 3 insertions, 1 deletions
diff --git a/includes/form.inc b/includes/form.inc
index e7a796f9c..8e7b21805 100644
--- a/includes/form.inc
+++ b/includes/form.inc
@@ -285,7 +285,9 @@ function drupal_prepare_form($form_id, &$form) {
global $user;
$form['#type'] = 'form';
- $form['#skip_duplicate_check'] = FALSE;
+ if (!isset($form['#skip_duplicate_check'])) {
+ $form['#skip_duplicate_check'] = FALSE;
+ }
if (!isset($form['#post'])) {
$form['#post'] = $_POST;