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-rw-r--r--modules/filter/filter.module4
1 files changed, 3 insertions, 1 deletions
diff --git a/modules/filter/filter.module b/modules/filter/filter.module
index bc24eb50e..bf1b6f477 100644
--- a/modules/filter/filter.module
+++ b/modules/filter/filter.module
@@ -964,7 +964,9 @@ function _filter_tips($format_id, $long = FALSE) {
foreach ($filters as $name => $filter) {
if ($filter->status && isset($filter_info[$name]['tips callback']) && function_exists($filter_info[$name]['tips callback'])) {
$tip = $filter_info[$name]['tips callback']($filter, $format, $long);
- $tips[$format->name][$name] = array('tip' => $tip, 'id' => $name);
+ if (isset($tip)) {
+ $tips[$format->name][$name] = array('tip' => $tip, 'id' => $name);
+ }
}
}
}