doc-view-minor-mode
doc-view-minor-mode is an interactive autoloaded compiled Lisp function in `doc-view.el
'.
(doc-view-minor-mode &optional ARG)
Toggle displaying buffer via Doc View (Doc View minor mode).
With a prefix argument ARG, enable Doc View minor mode if ARG is
positive, and disable it otherwise. If called from Lisp, enable
the mode if ARG is omitted or nil.
See the command `doc-view-mode' for more information on this mode.