-@item gnus-display-type
-@vindex gnus-display-type
-This variable is symbol indicating the display type Emacs is running
-under. The symbol should be one of @code{color}, @code{grayscale} or
-@code{mono}. If Gnus guesses this display attribute wrongly, either set
-this variable in your @file{~/.emacs} or set the resource
-@code{Emacs.displayType} in your @file{~/.Xdefaults}.
-
-@item gnus-background-mode
-@vindex gnus-background-mode
-This is a symbol indicating the Emacs background brightness. The symbol
-should be one of @code{light} or @code{dark}. If Gnus guesses this
-frame attribute wrongly, either set this variable in your @file{~/.emacs} or
-set the resource @code{Emacs.backgroundMode} in your @file{~/.Xdefaults}.
-`gnus-display-type'.