(find-file-other-window, find-file-other-frame):

(find-file-other-window, find-file-other-frame):
Add the first buffer to the returned value to return the complete
list of all visited buffers.
(find-file-read-only, find-file-read-only-other-window)
(find-file-read-only-other-frame): Use nil for `mustmatch' arg of
`find-file-read-args'.  Signal an error about non-existent file
only if file name doesn't contain wildcards.  Toggle read-only in
all visited buffers.
(find-alternate-file, find-alternate-file-other-window):
Add optional arg `wildcards'.  Doc fix.  Set `wildcards' to t when
called interactively.  Pass arg `wildcards' to other functions.
(find-file-noselect): Doc fix.