* gnus-art.el (gnus-article-wash-html-with-w3m): Add keymap

	* gnus-art.el (gnus-article-wash-html-with-w3m): Add keymap
	property to the buffer for using emacs-w3m command keys.

	* mm-decode.el (mm-inline-text-html-with-w3m-keymap): New user
	option.

	* mm-view.el (mm-w3m-mode-map): New variable.
	(mm-w3m-mode-command-alist): New variable.
	(mm-w3m-minor-mode): Removed.
	(mm-setup-w3m): Setup `mm-w3m-mode-map'; don't add minor mode.
	(mm-inline-text-html-render-with-w3m): Add keymap property to the
	buffer for using emacs-w3m command keys.