gnus-fetch-old-ephemeral-headers
gnus-fetch-old-ephemeral-headers is a variable defined in `gnus-group.el
'.
Its value is nilDocumentation: Same as `gnus-fetch-old-headers', but only used for ephemeral newsgroups. You can customize this variable. This variable was introduced, or its default value was changed, in version 22.1 of Emacs.