user_comment_view($comment)Implements hook_comment_view().
modules/user/user.module, line 3054
<?php
function user_comment_view($comment) {
if (variable_get('user_signatures', 0) && !empty($comment->signature)) {
$comment->signature = check_markup($comment->signature, $comment->format, '', TRUE);
}
else {
$comment->signature = '';
}
}
?>