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-rw-r--r--modules/book.module2
1 files changed, 1 insertions, 1 deletions
diff --git a/modules/book.module b/modules/book.module
index 1692da7d5..f20ddd6f3 100644
--- a/modules/book.module
+++ b/modules/book.module
@@ -676,7 +676,7 @@ function book_export($type = 'html', $nid = 0) {
print call_user_func($export_function, $nid, $depth);
}
else {
- drupal_set_message('Unknown export format');
+ drupal_set_message(t('Unknown export format.'));
drupal_not_found();
}
}