gnus-mime-button-line-format-alist

gnus-mime-button-line-format-alist is a variable defined in `gnus-art.el'.
Its value is

((116 gnus-tmp-type 115)
 (84 gnus-tmp-type-long 115)
 (110 gnus-tmp-name 115)
 (100 gnus-tmp-description 115)
 (112 gnus-tmp-id 115)
 (108 gnus-tmp-length 100)
 (101 gnus-tmp-dots 115))

Documentation:
Not documented as a variable.