GitLab

Simplify several places.
(file-relative-name): Handle directory names as well as file names.
Don't get fooled by empty directory names, etc.

(view-read-only): New option variable.  If
non-nil then buffers visiting files read-only, do it in view mode.
(find-file-read-only, find-file-read-only-other-window)
(find-file-read-only-other-frame): Call toggle-read-only
instead of setting buffer-read-only explicitly.
(toggle-read-only, after-find-file): Handle view-read-only.
(save-some-buffers): Use second argument of view-buffer
instead of setting view-exit-action.

file-name-completion and file-name-all-completions.

substitute-in-file-name operation.

argument.
(find-file-other-window, find-file-read-only): Likewise.
(find-file-read-only-other-window): Likewise.
(find-file-read-only-other-frame): Likewise.
(find-alternate-file-other-window, find-alternate-file): Likewise.
(write-file, insert-file, append-to-file): Likewise.

(revert-without-query): Renamed from
find-file-revert-without-query.
(find-file-noselect): Use new option.
(revert-buffer): Check the option here too.

(find-backup-file-namem, backup-extract-version):
Rename bv-length to backup-extract-version-start.

(file-relative-name): Bind the variable fname.

(hack-local-variables): New arg MODE-ONLY.
(set-visited-file-name): Alter the major mode based on new file name.
(change-major-mode-with-file-name): New variable.

checking for device mismatch.

(file-relative-name): Handle differing drive letters on Microsoft systems.

with sequences starting with %.

find-file-read-only, find-file-read-only-other-window,
find-file-read-only-other-frame, find-alternate-file-other-window,
find-alternate-file): With a prefix argument, enable users to
specify a coding system interactively.
(find-file-noselect): Describe optional arguments NOWARN and
RAWFILE in the doc-string.
(write-file, insert-file, append-to-file): Accept a prefix
argument to enable users to specify a coding system interactively.
(revert-buffer): Read an auto-saved file without any code
conversion.

(switch-to-buffer-other-window): New arg NORECORD.

so that a file name or pattern is never taken as an option.

(find-file-noselect): Revert certain files without query
if the file has changed and the buffer has not.

(wildcard-to-regexp): Don't treat [] as special.

(write-file): Use CONFIRM when calling set-visited-file-name.

Ignore case when checking for `mode'.

Add it to file-name-handler-alist.

ChangeLog filenames, for case-insensitive MSDOS and MS-Windows.

(insert-file-contents-literally): Doc fix.

to get one we can write in.