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For those users who live backwards in time, here is information about downgrading to Emacs version 23.4. We hope you will enjoy the greater simplicity that results from the absence of many Emacs 24.3 features.
Users of “right-to-left” languages, like Arabic and Hebrew, may adapt by reading and/or editing text in left-to-right order.
delete-active-region
has been deleted. When the
region is active, typing DEL or delete no longer deletes
the text in the region; it deletes a single character instead.
Selecting text by dragging with the mouse now puts the text in the kill ring, in addition to the primary selection. But note that selecting an active region with C-SPC does not alter the kill ring nor the primary selection, even though the text highlighting is visually identical.
isearch-yank-kill
and isearch-yank-pop
respectively.
Instead, C-y yanks the rest of the current line into the search
string (isearch-yank-line
), whereas M-y does
isearch-yank-kill
. The mismatch with the usual meanings of
C-y and M-y is unintended.
completion-category-overrides
has been removed, so Emacs uses a
single consistent scheme to generate completions, instead of using a
separate scheme for (say) buffer name completion. Several major
modes, such as Shell mode, now implement their own inline completion
commands instead of using completion-at-point
.
display-buffer-base-action
,
display-buffer-alist
, window-combination-limit
, and
window-combination-resize
.
region
face, nor for drawing tooltips.
delete-by-moving-to-trash
to a
non-nil
now causes all file deletions to use the system trash,
even temporary files created by Lisp programs; furthermore, the
M-x delete-file and M-x delete-directory commands no
longer accept prefix arguments to force true deletion.
send-mail-function
) is to use the
sendmail
program. Emacs no longer asks for a delivery
method the first time you try to send mail, trusting instead that the
system is configured for mail delivery, as it ought to be.
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