Stefan told me the patch is ok now, except that I should call
`suppress-keymap' first in the keymap definition, not last.

So here's an updated patch:

--8<---------------cut here---------------start------------->8---
2007-10-24  Tassilo Horn  <tassilo@member.fsf.org>

	* progmodes/ps-mode.el (ps-mode-map): Change bindinc C-c C-c to
	C-c C-l and remove binding C-c v.

	* doc-view.el (doc-view-mode): Remove text/image switching code.
	Use plain defun.
	(doc-view-minor-mode): New minor mode.
	(doc-view-minor-mode-map): New keymap.
	(doc-view-mode-text-map): Remove keymap.
	(doc-view-mode-map): New binding K to kill the converter process.
	(doc-view-current-display): Remove variable.
	(doc-view-buffer-message): Mention new binding K.
	(doc-view-display-maybe): Remove function.
	(doc-view-pdf/ps->png): Timer calls d-v-display instead
	d-v-display-maybe.
	(doc-view-mode-map): Use image-mode scrolling for mouse-wheel.
	(doc-view-ps->pdf): Resort args to make ps2pdf happy.
	(doc-view-current-cache-dir): Better cache dir naming.
	(doc-view-remove-if): New function.
	(doc-view-search-next-match, doc-view-search-previous-match): Use
	it.

	* files.el (auto-mode-alist): Change entries: pdf/dvi ->
	doc-view-mode, ps -> ps-mode.
--8<---------------cut here---------------end--------------->8---