(wdired-search-and-rename): Simplify code.
(wdired-preprocess-files, wdired-preprocess-perms): Make
read-only property of preceding character rear-nonsticky to
avoid that it can be modified. Put old-name and old-link
properties on character preceding name and replace
put-text-property by add-text-properties.
(wdired-get-filename, wdired-get-previous-link): Get old-name
and old-link properties from character preceding name and
simplify code.
(wdired-preprocess-perms, wdired-set-bit, wdired-toggle-bit)
(wdired-perms-to-number): Make local-map property
rear-nonsticky to avoid that text following permissions may be
modified. Use add-text-properties instead of put-text-property
when changing a permission bit.
(wdired-change-to-dired-mode): Remove stickiness properties.
(wdired-get-filename): Massage.
(wdired-perm-mode-map): Don't copy bindings from wdired-mode-map.
(wdired-preprocess-perms, wdired-set-bit, wdired-toggle-bit): Use the
`keymap' property rather than `local-map'.
(wdired-confirm-overwrite): Rename from wdired-is-ok-overwrite.
(wdired-use-dired-vertical-movement): Rename from
wdired-always-move-to-filename-beginning.
(wdired-mode-map): Use `ignore' instead of `wdired-newline'.
(wdired-change-to-wdired-mode): Change mode name.
(wdired-newline): Delete.
(wdired-change-to-wdired-mode, wdired-change-to-dired-mode):
Use force-mode-line-update.
(wdired-get-filename): Use `unless'.
(wdired-preprocess-files): Don't assume names have no \n and use / for dirsep.
(wdired-normalize-filename): Use replace-regexp-in-string.
(wdired-load-hooks): Remove.
(wdired-mode-hooks): Rename to wdired-mode-hook.
