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-rw-r--r--modules/search/search.admin.inc3
1 files changed, 2 insertions, 1 deletions
diff --git a/modules/search/search.admin.inc b/modules/search/search.admin.inc
index fda14ee7b..a609485ac 100644
--- a/modules/search/search.admin.inc
+++ b/modules/search/search.admin.inc
@@ -95,7 +95,8 @@ function search_admin_settings($form) {
'#default_value' => variable_get('minimum_word_size', 3),
'#size' => 5,
'#maxlength' => 3,
- '#description' => t('The number of characters a word has to be to be indexed. A lower setting means better search result ranking, but also a larger database. Each search query must contain at least one keyword that is this size (or longer).')
+ '#description' => t('The number of characters a word has to be to be indexed. A lower setting means better search result ranking, but also a larger database. Each search query must contain at least one keyword that is this size (or longer).'),
+ '#element_validate' => array('element_validate_integer_positive'),
);
$form['indexing_settings']['overlap_cjk'] = array(
'#type' => 'checkbox',