Not all the kill commands save the text in the kill ring
by default (e.g. `kill-rectangle').
It is more precise to just say that the kill commands save
the text and do not change the buffer (Bug#36741).
* lisp/view.el (view-mode): Update docstring.
if ARG is omitted or nil.
When View mode is enabled, commands that do not change the buffer
-contents are available as usual. Kill commands insert text in
-kill buffers but do not delete. Most other commands beep and
+contents are available as usual. Kill commands save text but
+do not delete it from the buffer. Most other commands beep and
tell the user that the buffer is read-only.
\\<view-mode-map>