(help-window, help-window-point-marker): New variables.

(help-window, help-window-point-marker): New variables.
(help-window-select): New option.
(with-help-window): New macro for displaying help windows.
(help-window-display-message, help-window-setup-finish)
(help-window-setup): New functions used for setting up help windows.
(print-help-return-message): Reset help-window to nil.
(view-lossage): Use with-help-window instead of
with-output-to-temp-buffer and move help-window-point-marker after
inserted text.
(describe-bindings, describe-key, describe-mode): Use
with-help-window instead of with-output-to-temp-buffer.