gnus-info-nodes

gnus-info-nodes is a variable defined in `gnus.el'.
Its value is

((gnus-group-mode "(gnus)Group Buffer")
 (gnus-summary-mode "(gnus)Summary Buffer")
 (gnus-article-mode "(gnus)Article Buffer")
 (gnus-server-mode "(gnus)Server Buffer")
 (gnus-browse-mode "(gnus)Browse Foreign Server")
 (gnus-tree-mode "(gnus)Tree Display"))

Documentation:
Alist of major modes and related Info nodes.