Commit 6c0b2643 authored by Gerd Moellmann's avatar Gerd Moellmann

*** empty log message ***

parent 3f222eb5
......@@ -5,6 +5,46 @@ See the end for copying conditions.
Please send Emacs bug reports to bug-gnu-emacs@gnu.org.
For older news, see the file ONEWS
* Changes in Emacs 21.2
** When pure storage overflows while dumping, Emacs now prints how
much pure storage it will approximately need.
** M-x setenv now expands environment variables of the form `$foo' and
`${foo}' in the specified new value of the environment variable. To
include a `$' in the value, use `$$'.
** New user option `inhibit-startup-buffer-menu'.
When loading many files, for instance with `emacs *', Emacs normally
displays a buffer menu. This option turns the buffer menu off.
** Rmail now displays 5-digit message ids in its summary buffer.
* Lisp Changes in Emacs 21.2
** Variable aliases have been implemented
- Macro: defvaralias ALIAS-VAR BASE-VAR
This defines the symbol ALIAS-VAR as a variable alias for symbol
BASE-VAR. This means that retrieving the value of ALIAS-VAR returns
the value of BASE-VAR, and changing the value of ALIAS-VAR changes the
value of BASE-VAR.
- Function: indirect-variable VARIABLE
This function returns the variable at the end of the chain of aliases
of VARIABLE. If VARIABLE is not a symbol, or if VARIABLE is not
defined as an alias, the function returns VARIABLE.
It might be noteworthy that variables aliases work for all kinds of
variables, including buffer-local and frame-local variables.
** Functions from `post-gc-hook' are run at the end of garbage
collection. The hook is run with GC inhibited, so use it with care.
* Installation Changes in Emacs 21.1
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* faces.el (face-font-registry-alternatives) [windows-nt]: Make
gb2312 an alias for gb2312.1980.
2001-10-04 Stefan Monnier <monnier@cs.yale.edu>
* uniquify.el (uniquify-get-proposed-name): Don't assume dirsep is /.
(uniquify-reverse-components): Remove.
* emacs-lisp/bytecomp.el (byte-recompile-directory):
Make sure the file is readable.
(byte-compile-file): Don't compile if `no-byte-compile' is set.
(byte-compile-defvar): Update to reflect the change in Fdefvar.
(batch-byte-recompile-directory): Pass arg=0.
* progmodes/perl-mode.el (perl-indent-continued-arguments): New var.
(perl-calculate-indent): Use it.
(perl-backward-to-noncomment): Use forward-comment.
* derived.el (define-derived-mode, derived-mode-make-docstring):
Allow `parent' to be nil.
* textmodes/nroff-mode.el (nroff-mode-abbrev-table, nroff-mode):
Use define-derived-mode.
(nroff-mode-map, nroff-mode-syntax-table): Massage.
* mail/mailabbrev.el (mail-abbrev-in-expansion-header-p): Simplify.
* emacs-lisp/lselect.el: Use facep iso find-face.
* emacs-lisp/lisp-mode.el (lisp-imenu-generic-expression):
Use regexp-opt.
(doc-string-elt): Set symbols' prop. Copied from autoload.el.
(lisp-font-lock-syntactic-face-function): New function.
(lisp-mode-variables): Use it. Make arg optional.
(emacs-lisp-mode): Don't pass an arg to lisp-mode-variables.
(lisp-mode): Don't pass an arg to lisp-mode-variables.
Set comment-start-skip.
* emacs-lisp/lisp-mnt.el (lm-history-header): Accept `ChangeLog'.
* emacs-lisp/cl-macs.el (frame-parameter): Add a setf method.
(ignore-errors): Don't bother using a `err' symbol.
* emacs-lisp/autoload.el (autoload-ensure-default-file)
(autoload-insert-section-header, autoload-before-p)
(autoload-remove-section): New functions.
(generate-file-autoloads): Use them.
(update-file-autoloads): Use them. Return FILE if there's no cookie.
Make sure the autoload file is properly formatted when creating it.
(update-autoloads-from-directories): Use them as well.
Only update autoloads for files whose timestamp has changed.
Add a dummy entry to remember the files which had no autoload cookies.
* timer.el (timer-relative-time): Fix computation for negative `micro'.
* subr.el (define-key-after): Allow `key' to be longer than 1.
(make-local-hook): Make obsolete.
(add-hook, remove-hook): Don't use make-local-hook any more.
(make-syntax-table): Inherit all chars from s-s-t.
2001-10-04 Gerd Moellmann <gerd@gnu.org>
This is a fix for a report saying that resuming a search with C-s
C-s doesn't use the case-fold-search setting of the previous
search (C-s ... M-c ... then C-s C-s).
* isearch.el (isearch-last-case-fold-search): New variable.
(isearch-mode): Remember value of isearch-case-fold-search
in isearch-last-case-fold-search.
(isearch-done): Quote value of isearch-case-fold-search.
(isearch-repeat): When resuming a search, restore
isearch-case-fold-search from isearch-last-case-fold-search.
Added to NEWS.
* startup.el (inhibit-startup-buffer-menu): New user-option.
(command-line-1): If inhibit-startup-buffer-menu is set, don't
display the buffer menu. From Simon Josefsson <jas@extundo.com>.
This allows upto 99999 messages in the summary without screwing up
the summary sorting. Previously 9999 was the maximum. Added to NEWS.
* mail/rmailsum.el (rmail-make-summary-line)
(rmail-make-summary-line-1, rmail-summary-next-same-subject)
(rmail-summary-goto-msg, rmail-summary-goto-msg):
Allow 5-digit message ids instead of 4.
This adds expansion of environment variables in the value
specified with M-x setenv. Added to NEWS.
* env.el (substitute-env-vars): New function.
(setenv): Add parameter SUBSTITUTE-ENV-VARS. If set, substitute
environment variables in VALUE. Return VALUE.
2001-10-03 Stefan Monnier <monnier@cs.yale.edu>
* pcvs-util.el (cvs-prefix-define): Typo cons->concat.
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