However, some prescriptivists continue to defend "whom" as the only "correct" form in functions other than the subject. Mair notes that: "'whom' is moribund as an element of the core grammar of English, but is very much alive as a style marker whose correct use is acquired in the educational system [, where it is taught]. use of "whom" is highly restricted, but rather than disappear entirely, the form is likely to remain in use for some time to come because of its overt prestige in writing."