.af

Assign format c to register r.

Values for c

1	0, 1, 2, etc.
001	000, 001, 002, etc.
i	Lowercase roman numerals.
I	Uppercase roman numerals.
a	Lowercase alphabetic.
A	Uppercase alphabetic.

Example

Paginate front matter using the ms macros:

.af PN i	Set page number register PN to i