gnus-summary-line-format-alist

gnus-summary-line-format-alist is a variable defined in `gnus-sum.el'.
Its value is shown below.

Documentation:
An alist of format specifications that can appear in summary lines.
These are paired with what variables they correspond with, along with
the type of the variable (string, integer, character, etc).

Value:

((78
  (aref gnus-tmp-header 0)
  100)
 (83
  (aref gnus-tmp-header 1)
  115)
 (115 gnus-tmp-subject-or-nil 115)
 (110 gnus-tmp-name 115)
 (65
  (car
   (cdr
    (funcall gnus-extract-address-components gnus-tmp-from)))
  115)
 (97
  (or
   (car
    (funcall gnus-extract-address-components gnus-tmp-from))
   gnus-tmp-from)
  115)
 (70 gnus-tmp-from 115)
 (120
  (aref gnus-tmp-header 8)
  115)
 (68
  (aref gnus-tmp-header 3)
  115)
 (100
  (gnus-dd-mmm
   (mail-header-date gnus-tmp-header))
  115)
 (111
  (gnus-date-iso8601
   (mail-header-date gnus-tmp-header))
  115)
 (77
  (aref gnus-tmp-header 4)
  115)
 (114
  (aref gnus-tmp-header 5)
  115)
 (99
  (or
   (mail-header-chars gnus-tmp-header)
   0)
  100)
 (107
  (gnus-summary-line-message-size gnus-tmp-header)
  115)
 (76 gnus-tmp-lines 115)
 (90
  (or
   (nnir-article-rsv
    (mail-header-number gnus-tmp-header))
   0)
  100)
 (71
  (or
   (nnir-article-group
    (mail-header-number gnus-tmp-header))
   "")
  115)
 (103
  (or
   (gnus-group-short-name
    (nnir-article-group
     (mail-header-number gnus-tmp-header)))
   "")
  115)
 (79 gnus-tmp-downloaded 99)
 (73 gnus-tmp-indentation 115)
 (84
  (if
      (= gnus-tmp-level 0)
      ""
    (make-string
     (frame-width)
     32))
  115)
 (82 gnus-tmp-replied 99)
 (91 gnus-tmp-opening-bracket 99)
 (93 gnus-tmp-closing-bracket 99)
 (62
  (make-string gnus-tmp-level 32)
  115)
 (60
  (make-string
   (max 0
	(- 20 gnus-tmp-level))
   32)
  115)
 (105 gnus-tmp-score 100)
 (122 gnus-tmp-score-char 99)
 (86
  (gnus-thread-total-score
   (and
    (boundp 'thread)
    (car thread)))
  100)
 (85 gnus-tmp-unread 99)
 (102
  (gnus-summary-from-or-to-or-newsgroups gnus-tmp-header gnus-tmp-from)
  115)
 (116
  (gnus-summary-number-of-articles-in-thread
   (and
    (boundp 'thread)
    (car thread))
   gnus-tmp-level)
  100)
 (101
  (gnus-summary-number-of-articles-in-thread
   (and
    (boundp 'thread)
    (car thread))
   gnus-tmp-level t)
  99)
 (117 gnus-tmp-user-defined 115)
 (80
  (gnus-pick-line-number)
  100)
 (66 gnus-tmp-thread-tree-header-string 115)
 (user-date
  (gnus-user-date
   (aref gnus-tmp-header 3))
  115))