X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/69815dfe3704f8a8c733843f1fd04546cbb0f4d0..8bab07bc03c7f51b64daecef0168eb11c2f5c1eb:/etc/NEWS?ds=sidebyside diff --git a/etc/NEWS b/etc/NEWS index 4b0a268d8f..caf6250184 100644 --- a/etc/NEWS +++ b/etc/NEWS @@ -40,9 +40,16 @@ or by sticking with Emacs 24.4. If gnustep-config is not available, the old heuristics are used. --- -** The configure option `--with-pkg-config-prog' has been removed. +** The configure option '--with-pkg-config-prog' has been removed. Use './configure PKG_CONFIG=/full/name/of/pkg-config' if you need to. +--- +** The configure option '--with-mmdf' has been removed. +It was no longer useful, as it relied on libraries that are no longer +supported, and its presence led to confusion during configuration. +This affects only the 'movemail' utility; Emacs itself can still +process MMDF-format files as before. + ** The configure option '--enable-silent-rules' is now the default, and silent rules are now quieter. To get the old behavior where 'make' chatters a lot, configure with '--disable-silent-rules' or @@ -53,7 +60,7 @@ build with 'make V=1'. group instead of a user if its argument is prefixed by ':' (a colon). This will cause the game score files in ${localstatedir}/games/emacs to be owned by that group, and the helper program for updating them to -be installed setgid. +be installed setgid. The option now defaults to the 'games' group. --- ** The `grep-changelog' script (and its manual page) are no longer included. @@ -66,9 +73,7 @@ so if you want to use it, you can always take a copy from an older Emacs. * Changes in Emacs 25.1 -** `package-install-from-buffer' and `package-install-file' work on directories. -This follows the same rules as installing from a .tar file, except the --pkg file is optional. +** New command `comment-line' bound to `C-x C-;'. ** New function `custom-prompt-customize-unsaved-options' checks for unsaved customizations and prompts user to customize (if found). @@ -175,9 +180,30 @@ possible inaccuracies in the end position. In particular, it now returns the average width of the font's characters, which can be used for geometry-related calculations. +** A new function `default-font-width' returns the average width of a +character in the current buffer's default font. If the default face +is remapped (see `face-remapping-alist'), the value for the remapped +face is returned. This function complements the existing function +`default-font-height'. + +** New functions `window-font-height' and `window-font-width' return +the height and average width of characters in a specified face and +window. If FACE is remapped (see `face-remapping-alist'), the +function returns the information for the remapped face. + +** A new function `window-max-chars-per-line' returns the maximal +number of characters that can be displayed on one line. If a face +and/or window are provided, these values are used for the +calculation. This function is different from `window-body-width' in +that it accounts for (i) continuation glyphs, (ii) the size of the +font, and (iii) the specified window. + * Editing Changes in Emacs 25.1 +** Successive single-char deletions are collapsed in the undo-log just like +successive char insertions. + ** Unicode names entered via C-x 8 RET now use substring completion by default. ** New minor mode global-eldoc-mode is enabled by default. @@ -199,8 +225,41 @@ Unicode standards. ** You can access `mouse-buffer-menu' (C-down-mouse-1) using C-f10. ++++ +** New buffer-local `electric-pair-local-mode'. + * Changes in Specialized Modes and Packages in Emacs 25.1 +** In xterms, killing text now also sets the CLIPBOARD/PRIMARY selection +in the surrounding GUI (using the OSC-52 escape sequence). + +** xterm-mouse-mode now supports mouse-tracking (if your xterm supports it). + +** package.el +*** Most functions which involve downloading information now take an +ASYNC argument. If it is non-nil, package.el performs the download(s) +asynchronously. + +*** New variable `package-menu-async' controls whether the +package-menu uses asynchronous downloads. + +*** `package-install-from-buffer' and `package-install-file' work on directories. +This follows the same rules as installing from a .tar file, except the +-pkg file is optional. + +*** Packages which are dependencies of other packages cannot be deleted. +The FORCE argument to `package-delete' overrides this. + +*** New custom variable `package-selected-packages' tracks packages +which were installed by the user (as opposed to installed as +dependencies). This variable can also be manually customized. + +*** New command `package-install-user-selected-packages' installs all +packages from `package-selected-packages' which are currently missing. + +*** New command `package-autoremove' removes all packages which were +installed strictly as dependencies but are no longer needed. + ** Shell When you invoke `shell' interactively, the *shell* buffer will now @@ -212,13 +271,20 @@ the old behavior -- *shell* buffer displays in current window -- use ** EIEIO ++++ *** The `:protection' slot option is not obeyed any more. ++++ *** The `newname' argument to constructors is optional&deprecated. If you need your objects to be named, do it by inheriting from `eieio-named'. ++++ *** The -list-p and -child-p functions are declared obsolete. ++++ *** The variables are declared obsolete. ++++ *** The variables are declared obsolete. *** defgeneric and defmethod are declared obsolete. ++++ +*** `constructor' is now an obsolete alias for `make-instance'. ** ido *** New command `ido-bury-buffer-at-head' bound to C-S-b @@ -259,6 +325,14 @@ useful when, for example, one needs to distinguish various spaces (e.g. ] [, ** eww +--- +*** HTML can now be rendered using variable-width fonts. + ++++ +*** A new command `F' (`eww-toggle-fonts') can be used to toggle +whether to use variable-pitch fonts or not. The user can also +customize the `shr-use-fonts' variable. + +++ *** A new command `R' (`eww-readable') will try do identify the main textual parts of a web page and display only that, leaving menus and @@ -303,7 +377,7 @@ invalid certificates are marked in red. transformed into multipart/related messages before sending. ** pcase -*** New UPatterns `quote' and `app'. +*** New UPatterns `quote', `app', `cl-struct', and `eieio'. *** New UPatterns can be defined with `pcase-defmacro'. +++ *** New vector QPattern. @@ -364,6 +438,8 @@ The remainder were: ** New ERT function `ert-summarize-tests-batch-and-exit'. +** New js.el option `js-indent-first-init'. + --- ** `Info-fontify-maximum-menu-size' can be t for no limit. @@ -442,6 +518,8 @@ allows to customize this. *** Two new faces `compare-windows-removed' and `compare-windows-added' replace the obsolete face `compare-windows'. +** VHDL mode supports VHDL'08. + ** Calculator: decimal display mode uses "," groups, so it's more fitting for use in money calculations; factorial works with non-integer inputs. @@ -527,10 +605,24 @@ to avoid interfering with the kill ring. allow overriding the regular expression that recognizes the ldapsearch command line's password prompt. +** Eshell + +*** The new built-in command `clear' can scroll window contents out of sight. + +** Browse-url + +*** Support for the Conkeror web browser. + +--- +*** Support for several ancient browsers is now officially obsolete. + +++ ** tar-mode: new `tar-new-entry' command, allowing for new members to be added to the archive. +** Autorevert: dired buffers are also auto-reverted via file +notifications, if Emacs is compiled with file notification support. + ** Obsolete packages --- @@ -554,6 +646,13 @@ a typographically-correct documents. * Incompatible Lisp Changes in Emacs 25.1 +** Comint, term, and compile do not set the EMACS env var any more. +Use the INSIDE_EMACS environment variable instead. + +** `save-excursion' does not save&restore the mark any more. + +** read-buffer-function can now be called with a 4th argument (`predicate'). + ** completion-table-dynamic stays in the minibuffer. If you want the old behavior of calling the function in the buffer from which the minibuffer was entered, call it with the new argument @@ -568,6 +667,9 @@ active region handling. ** `cl-the' now asserts that its argument is of the given type. +** `process-running-child-p` may now return a numeric process +group ID instead of `t'. + +++ ** Mouse click events on mode line or header line no longer include any reference to a buffer position. The 6th member of the mouse @@ -582,9 +684,35 @@ when signaling a file error. For example, it now reports "Permission denied" instead of "permission denied". The old behavior was problematic in languages like German where downcasing rules depend on grammar. ++++ +** The character classes [:alpha:] and [:alnum:] in regular expressions +now match multibyte characters using Unicode character properties. +If you want the old behavior where they matched any character with +word syntax, use `\sw' instead. + * Lisp Changes in Emacs 25.1 +** New process type `pipe', which can be used in combination with the +`:stderr' keyword of make-process to handle standard error output +of subprocess. + +** New function `make-process' provides an alternative interface to +`start-process'. It allows programs to set process parameters such as +process filter, sentinel, etc., through keyword arguments (similar to +`make-network-process'). + +** `read-buffer' takes a new `predicate' argument. + +** Emacs Lisp now supports generators. + +** New finalizer facility for running code when objects + become unreachable. + +** lexical closures can use (:documentation
) to build their docstring. +It should be placed right where the docstring would be, and is then +evaluated (and should return a string) when the closure is built. + ** define-inline provides a new way to define inlinable functions. ** New function macroexpand-1 to perform a single step of macroexpansion. @@ -661,6 +789,12 @@ integers. ** New function `set-binary-mode' allows to switch a standard stream of the Emacs process to binary I/O mode. +** Miscellaneous name change + +For consistency with the usual Emacs spelling, the Lisp variable +`hfy-optimisations' has been renamed to `hfy-optimizations'. +The old name should still work, as an obsolescent alias. + * Changes in Frames and Windows Code in Emacs 25.1 @@ -722,6 +856,9 @@ Those features have been deprecated in Gtk+ for a long time. or Windows Server 2003. The built binaries still run on all versions of Windows starting with Windows 9X. ++++ +** Emacs running on MS-Windows now supports the daemon mode. + ** OS X 10.5 or older is no longer supported. ** OS X on PowerPC is no longer supported.