web/username_prefix.php: added support for deletion comments of the form (c_)x(_d)@url -> c_x_d@url . deletion indicates that the semantic meaning of the () portion does not apply, even though it's included in the linked term name.
web/username_prefix.php: added support for deletion comments of the form (c_)x(_d)@url -> c_x_d@url . deletion indicates that the semantic meaning of the () portion does not apply, even though it's included in the linked term name.