; Cleanup of etc/NEWS
This commit is contained in:
Michael Albinus
parent
4e59ecc646
commit
def9715282
1 changed files with 112 additions and 107 deletions
219
etc/NEWS
219
etc/NEWS
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@ -1,6 +1,6 @@
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GNU Emacs NEWS -- history of user-visible changes.
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GNU Emacs NEWS -- history of user-visible changes.
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Copyright (C) 2014-2017 Free Software Foundation, Inc.
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Copyright (C) 2016-2017 Free Software Foundation, Inc.
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See the end of the file for license conditions.
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See the end of the file for license conditions.
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Please send Emacs bug reports to bug-gnu-emacs@gnu.org.
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Please send Emacs bug reports to bug-gnu-emacs@gnu.org.
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@ -58,7 +58,7 @@ configure option '--disable-libsystemd'.
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+++
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+++
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** A systemd user unit file is provided. Use it in the standard way:
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** A systemd user unit file is provided. Use it in the standard way:
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systemctl --user enable emacs
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'systemctl --user enable emacs'.
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(If your Emacs is installed in a non-standard location, you may
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(If your Emacs is installed in a non-standard location, you may
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need to copy the emacs.service file to eg ~/.config/systemd/user/)
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need to copy the emacs.service file to eg ~/.config/systemd/user/)
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@ -107,10 +107,10 @@ requirements. The option makes Emacs abort if a module-related
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assertion triggers.
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assertion triggers.
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+++
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+++
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** Emacs now supports 24-bit colors on capable text terminals
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** Emacs now supports 24-bit colors on capable text terminals.
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Terminal is automatically initialized to use 24-bit colors if the
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Terminal is automatically initialized to use 24-bit colors if the
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required capabilities are found in terminfo. See the FAQ node
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required capabilities are found in terminfo. See the FAQ node
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"Colors on a TTY" for more information.
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"(efaq) Colors on a TTY" for more information.
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+++
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+++
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** Emacs now obeys the X resource "scrollBar" at startup.
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** Emacs now obeys the X resource "scrollBar" at startup.
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@ -121,8 +121,8 @@ The effect is similar to that of "toolBar" resource on the tool bar.
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+++
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+++
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** Option 'buffer-offer-save' can be set to new value, 'always'. When
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** Option 'buffer-offer-save' can be set to new value, 'always'. When
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set to 'always', the command `save-some-buffers' will always offer
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set to 'always', the command 'save-some-buffers' will always offer
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this buffer for saving.
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this buffer for saving.
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** Security vulnerability related to Enriched Text mode is removed.
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** Security vulnerability related to Enriched Text mode is removed.
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@ -176,8 +176,8 @@ explicitly yields. Global variables are shared among all threads, but
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a 'let' binding is thread-local. Each thread also has its own current
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a 'let' binding is thread-local. Each thread also has its own current
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buffer and its own match data.
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buffer and its own match data.
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See the chapter "Threads" in the ELisp manual for full documentation
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See the chapter "(elisp) Threads" in the ELisp manual for full
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of these facilities.
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documentation of these facilities.
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+++
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+++
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** The new user variable 'electric-quote-chars' provides a list
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** The new user variable 'electric-quote-chars' provides a list
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@ -224,8 +224,9 @@ frame by evaluating this form:
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(modify-frame-parameters nil '((inhibit-double-buffering . t)))
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(modify-frame-parameters nil '((inhibit-double-buffering . t)))
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---
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---
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The group 'wp', whose label was "text", is now deprecated.
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** The customization group 'wp', whose label was "text", is now
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Use the new group 'text', which inherits from 'wp', instead.
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deprecated. Use the new group 'text', which inherits from 'wp',
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instead.
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+++
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+++
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** The new function 'call-shell-region' executes a command in an
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** The new function 'call-shell-region' executes a command in an
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@ -339,13 +340,13 @@ eliminated, and integer strings work everywhere.
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** It is possible to disable attempted recovery on fatal signals.
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** It is possible to disable attempted recovery on fatal signals.
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Two new variables support disabling attempts to recover from stack
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Two new variables support disabling attempts to recover from stack
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overflow and to avoid automatic auto-save when Emacs is delivered a
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overflow and to avoid automatic auto-save when Emacs is delivered a
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fatal signal. 'attempt-stack-overflow-recovery', if set to 'nil',
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fatal signal. 'attempt-stack-overflow-recovery', if set to nil,
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will disable attempts to recover from C stack overflows; Emacs will
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will disable attempts to recover from C stack overflows; Emacs will
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then crash as with any other fatal signal.
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then crash as with any other fatal signal.
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'attempt-orderly-shutdown-on-fatal-signal', if set to 'nil', will
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'attempt-orderly-shutdown-on-fatal-signal', if set to nil, will
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disable attempts to auto-save the session and shut down in an orderly
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disable attempts to auto-save the session and shut down in an orderly
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fashion when Emacs receives a fatal signal; instead, Emacs will
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fashion when Emacs receives a fatal signal; instead, Emacs will
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terminate immediately. Both variables are non-'nil' by default.
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terminate immediately. Both variables are non-nil by default.
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These variables are for users who would like to avoid the small
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These variables are for users who would like to avoid the small
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probability of data corruption due to techniques Emacs uses to recover
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probability of data corruption due to techniques Emacs uses to recover
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in these situations.
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in these situations.
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@ -362,7 +363,7 @@ See the variable 'dir-locals-file-2' for more information.
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+++
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+++
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** Connection-local variables can be used to specify local variables
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** Connection-local variables can be used to specify local variables
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with a value depending on the connected remote server. For details,
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with a value depending on the connected remote server. For details,
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see the node "Connection Local Variables" in the ELisp manual.
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see the node "(elisp) Connection Local Variables" in the ELisp manual.
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---
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---
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** International domain names (IDNA) are now encoded via the new
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** International domain names (IDNA) are now encoded via the new
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@ -382,7 +383,7 @@ debug.el and edebug.el have been updated to heed to this variable.
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---
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---
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** Values in call stack frames are now displayed using 'cl-prin1'.
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** Values in call stack frames are now displayed using 'cl-prin1'.
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The old behaviour of using 'prin1' can be restored by customizing the
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The old behavior of using 'prin1' can be restored by customizing the
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new option 'debugger-print-function'.
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new option 'debugger-print-function'.
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+++
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+++
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@ -420,17 +421,17 @@ want to reverse the direction of the scroll, customize
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'mwheel-flip-direction'.
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'mwheel-flip-direction'.
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+++
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+++
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** Emacsclient has a new option -u/--suppress-output.
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** Emacsclient has a new option '-u' / '--suppress-output'.
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This option suppresses display of return values from the server
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This option suppresses display of return values from the server
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process.
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process.
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+++
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+++
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** Emacsclient has a new option -T/--tramp.
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** Emacsclient has a new option '-T' / '--tramp'.
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This helps with using a local Emacs session as the server for a remote
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This helps with using a local Emacs session as the server for a remote
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emacsclient. With appropriate setup, one can now set the EDITOR
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emacsclient. With appropriate setup, one can now set the EDITOR
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environment variable on a remote machine to emacsclient, and
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environment variable on a remote machine to emacsclient, and
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use the local Emacs to edit remote files via Tramp. See the node
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use the local Emacs to edit remote files via Tramp. See the node
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"emacsclient Options" in the user manual for the details.
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"(emacs) emacsclient Options" in the user manual for the details.
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---
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---
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** New user option 'dig-program-options' and extended functionality
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** New user option 'dig-program-options' and extended functionality
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@ -456,17 +457,17 @@ display of raw bytes from octal to hex.
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+++
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+++
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** You can now provide explicit field numbers in format specifiers.
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** You can now provide explicit field numbers in format specifiers.
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For example, '(format "%2$s %1$s" "X" "Y")' produces "Y X".
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For example, '(format "%2$s %1$s %2$s" "X" "Y")' produces "Y X Y".
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+++
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+++
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** Emacs now supports optional display of line numbers in the buffer.
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** Emacs now supports optional display of line numbers in the buffer.
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This is similar to what linum-mode provides, but much faster and
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This is similar to what 'linum-mode' provides, but much faster and
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doesn't usurp the display margin for the line numbers. Customize the
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doesn't usurp the display margin for the line numbers. Customize the
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buffer-local variable 'display-line-numbers' to activate this optional
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buffer-local variable 'display-line-numbers' to activate this optional
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display. Alternatively, you can use the `display-line-numbers-mode'
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display. Alternatively, you can use the 'display-line-numbers-mode'
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minor mode or the global `global-display-line-numbers-mode'. When
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minor mode or the global 'global-display-line-numbers-mode'. When
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using these modes, customize `display-line-numbers-type' with the same
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using these modes, customize 'display-line-numbers-type' with the same
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value as you would use with `display-line-numbers'.
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value as you would use with 'display-line-numbers'.
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Line numbers are not displayed at all in minibuffer windows and in
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Line numbers are not displayed at all in minibuffer windows and in
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tooltips, as they are not useful there.
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tooltips, as they are not useful there.
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@ -480,13 +481,13 @@ Lisp programs that need to know how much screen estate is used up for
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line-number display in a window can use the new function
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line-number display in a window can use the new function
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'line-number-display-width'.
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'line-number-display-width'.
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Linum mode and all similar packages are henceforth becoming obsolete.
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'linum-mode' and all similar packages are henceforth becoming obsolete.
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Users and developers are encouraged to switch to this new feature
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Users and developers are encouraged to switch to this new feature
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instead.
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instead.
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+++
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+++
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** emacsclient now accepts command-line options in ALTERNATE_EDITOR
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** emacsclient now accepts command-line options in ALTERNATE_EDITOR
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and --alternate-editor. For example, ALTERNATE_EDITOR="emacs -Q -nw".
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and '--alternate-editor'. For example, ALTERNATE_EDITOR="emacs -Q -nw".
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Arguments may be quoted "like this", so that for example an absolute
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Arguments may be quoted "like this", so that for example an absolute
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path containing a space may be specified; quote escaping is not
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path containing a space may be specified; quote escaping is not
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supported.
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supported.
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@ -526,8 +527,8 @@ the end of the window, e.g. "5-17%". The new option
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+++
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+++
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** Two new user options 'list-matching-lines-jump-to-current-line' and
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** Two new user options 'list-matching-lines-jump-to-current-line' and
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'list-matching-lines-current-line-face' to show highlighted the current
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'list-matching-lines-current-line-face' to show the current line
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line in *Occur* buffer.
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highlighted in *Occur* buffer.
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+++
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+++
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** The 'occur' command can now operate on the region.
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** The 'occur' command can now operate on the region.
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@ -590,7 +591,7 @@ different buffer while keeping point, mark, markers, and text
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properties as intact as possible.
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properties as intact as possible.
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+++
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+++
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** New commands 'apropos-local-variable' and 'apropos-local-value.
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** New commands 'apropos-local-variable' and 'apropos-local-value'.
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These are buffer-local versions of 'apropos-variable' and
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These are buffer-local versions of 'apropos-variable' and
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'apropos-value', respectively. They show buffer-local variables whose
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'apropos-value', respectively. They show buffer-local variables whose
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names and values, respectively, match a given pattern.
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names and values, respectively, match a given pattern.
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@ -614,7 +615,7 @@ state to take effect (making a frame visible, for example).
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See the file ORG-NEWS for user-visible changes in Org.
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See the file ORG-NEWS for user-visible changes in Org.
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---
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---
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** New function `cl-generic-p'.
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** New function 'cl-generic-p'.
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** Dired
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** Dired
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@ -666,17 +667,17 @@ keep previous behavior.
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** html2text is now marked obsolete.
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** html2text is now marked obsolete.
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---
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---
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** smerge-refine-regions can refine regions in separate buffers
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** smerge-refine-regions can refine regions in separate buffers.
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---
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---
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** Info menu and index completion uses substring completion by default.
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** Info menu and index completion uses substring completion by default.
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This can be customized via the info-menu category in
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This can be customized via the 'info-menu' category in
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completion-category-override.
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'completion-category-overrides'.
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+++
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+++
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** The ancestor buffer is shown by default in 3-way merges.
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** The ancestor buffer is shown by default in 3-way merges.
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A new option ediff-show-ancestor and a new toggle
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A new option 'ediff-show-ancestor' and a new toggle
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ediff-toggle-show-ancestor.
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'ediff-toggle-show-ancestor'.
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---
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---
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** TeX: Add luatex and xetex as alternatives to pdftex
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** TeX: Add luatex and xetex as alternatives to pdftex
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@ -707,7 +708,7 @@ bound to 'Buffer-menu-unmark-all-buffers'.
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** Gnus
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** Gnus
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---
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---
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*** The .newsrc file will now only be saved if the native select
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*** The ~/.newsrc file will now only be saved if the native select
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method is an NNTP select method.
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method is an NNTP select method.
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+++
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+++
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@ -716,9 +717,10 @@ added: 'C-c C-s C-m C-m'.
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+++
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+++
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*** In message-citation-line-format the %Z format is now the time zone name
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*** In 'message-citation-line-format' the '%Z' format is now the time
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instead of the numeric form. The %z format continues to be the
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zone name instead of the numeric form. The '%z' format continues to
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numeric form. The new behavior is compatible with format-time-string.
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be the numeric form. The new behavior is compatible with
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'format-time-string'.
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** Ibuffer
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** Ibuffer
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@ -785,7 +787,7 @@ whose content matches a regexp; bound to '% g'.
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---
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---
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*** New user option 'comint-move-point-for-matching-input' to control
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*** New user option 'comint-move-point-for-matching-input' to control
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where to place point after C-c M-r and C-c M-s.
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where to place point after 'C-c M-r' and 'C-c M-s'.
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** Compilation mode
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** Compilation mode
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@ -818,7 +820,7 @@ breakpoint (e.g. with "f" and "o") by customizing the new option
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'edebug-sit-on-break'.
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'edebug-sit-on-break'.
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+++
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+++
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*** New customizable option 'edebug-max-depth'
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*** New customizable option 'edebug-max-depth'.
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This allows to enlarge the maximum recursion depth when instrumenting
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This allows to enlarge the maximum recursion depth when instrumenting
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code.
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code.
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@ -860,7 +862,6 @@ bigger than the current window).
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avoid accidentally accessing remote links may rebind 'w' and 'u' in
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avoid accidentally accessing remote links may rebind 'w' and 'u' in
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'eww-link-keymap' to it.
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'eww-link-keymap' to it.
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** Ido
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** Ido
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---
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---
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@ -893,8 +894,8 @@ also available in 'image-mode'.
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+++
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+++
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*** A new library for creating and manipulating SVG images has been
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*** A new library for creating and manipulating SVG images has been
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added. See the "SVG Images" section in the Lisp reference manual for
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added. See the "(elisp) SVG Images" section in the ELisp reference
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details.
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manual for details.
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|
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+++
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+++
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*** New setf-able function to access and set image parameters is
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*** New setf-able function to access and set image parameters is
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@ -936,10 +937,10 @@ instead of shell command strings. This change affects
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'image-dired-cmd-write-exif-data-options',
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'image-dired-cmd-write-exif-data-options',
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'image-dired-cmd-read-exif-data-options', and introduces
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'image-dired-cmd-read-exif-data-options', and introduces
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'image-dired-cmd-pngnq-options', 'image-dired-cmd-pngcrush-options',
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'image-dired-cmd-pngnq-options', 'image-dired-cmd-pngcrush-options',
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'image-dired-cmd-create-standard-thumbnail-options'
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'image-dired-cmd-create-standard-thumbnail-options'.
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---
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---
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*** Recognizes more tools by default, including pngnq-s9 and OptiPNG
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*** Recognizes more tools by default, including pngnq-s9 and OptiPNG.
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---
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---
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*** 'find-file' and related commands now work on thumbnails and
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*** 'find-file' and related commands now work on thumbnails and
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@ -978,7 +979,7 @@ there are now top-level domains added all the time. Message will no
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longer warn about sending emails to top-level domains it hasn't heard
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longer warn about sending emails to top-level domains it hasn't heard
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about.
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about.
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*** 'message-beginning-of-line' (bound to C-a) understands folded headers.
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*** 'message-beginning-of-line' (bound to 'C-a') understands folded headers.
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In 'visual-line-mode' it will look for the true beginning of a header
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In 'visual-line-mode' it will look for the true beginning of a header
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while in non-'visual-line-mode' it will move the point to the indented
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while in non-'visual-line-mode' it will move the point to the indented
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header's value.
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header's value.
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@ -988,7 +989,7 @@ header's value.
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+++
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+++
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*** The new variable 'package-gnupghome-dir' has been added to control
|
*** The new variable 'package-gnupghome-dir' has been added to control
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where the GnuPG home directory (used for signature verification) is
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where the GnuPG home directory (used for signature verification) is
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located and whether GnuPG's option "--homedir" is used or not.
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located and whether GnuPG's option '--homedir' is used or not.
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|
|
||||||
---
|
---
|
||||||
*** Deleting a package no longer respects 'delete-by-moving-to-trash'.
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*** Deleting a package no longer respects 'delete-by-moving-to-trash'.
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||||||
|
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@ -1070,8 +1071,8 @@ background.
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|
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+++
|
+++
|
||||||
** Emacs now supports character name escape sequences in character and
|
** Emacs now supports character name escape sequences in character and
|
||||||
string literals. The syntax variants \N{character name} and
|
string literals. The syntax variants '\N{character name}' and
|
||||||
\N{U+code} are supported.
|
'\N{U+code}' are supported.
|
||||||
|
|
||||||
+++
|
+++
|
||||||
** Prog mode has some support for multi-mode indentation.
|
** Prog mode has some support for multi-mode indentation.
|
||||||
|
|
@ -1083,7 +1084,7 @@ A major mode can provide indentation context for a sub-mode through
|
||||||
the 'prog-indentation-context' variable. To support this, modes that
|
the 'prog-indentation-context' variable. To support this, modes that
|
||||||
provide indentation should use 'prog-widen' instead of 'widen' and
|
provide indentation should use 'prog-widen' instead of 'widen' and
|
||||||
'prog-first-column' instead of a literal zero. See the node
|
'prog-first-column' instead of a literal zero. See the node
|
||||||
"Mode-Specific Indent" in the ELisp manual for more details.
|
"(elisp) Mode-Specific Indent" in the ELisp manual for more details.
|
||||||
|
|
||||||
** ERC
|
** ERC
|
||||||
|
|
||||||
|
|
@ -1140,12 +1141,12 @@ to a format suitable for reverse lookup zone files.
|
||||||
+++
|
+++
|
||||||
*** Enchant is now supported as a spell-checker.
|
*** Enchant is now supported as a spell-checker.
|
||||||
|
|
||||||
Enchant is a meta-spell-checker that uses providers
|
Enchant is a meta-spell-checker that uses providers such as Hunspell
|
||||||
such as Hunspell to do the actual checking. With it, users can use
|
to do the actual checking. With it, users can use spell-checkers not
|
||||||
spell-checkers not directly supported by Emacs, such as Voikko, Hspell
|
directly supported by Emacs, such as Voikko, Hspell and AppleSpell,
|
||||||
and AppleSpell, more easily share personal word-lists with other
|
more easily share personal word-lists with other programs, and
|
||||||
programs, and configure different spelling-checkers for different
|
configure different spelling-checkers for different languages.
|
||||||
languages. (Version 2.1.0 or later of Enchant is required.)
|
(Version 2.1.0 or later of Enchant is required.)
|
||||||
|
|
||||||
** Flymake
|
** Flymake
|
||||||
|
|
||||||
|
|
@ -1161,7 +1162,7 @@ check your buffer from different perspectives (see variable
|
||||||
'flymake-diagnostic-functions'). Backends for Emacs Lisp mode are
|
'flymake-diagnostic-functions'). Backends for Emacs Lisp mode are
|
||||||
provided.
|
provided.
|
||||||
|
|
||||||
The old Flymake behaviour is preserved in the so-called "legacy
|
The old Flymake behavior is preserved in the so-called "legacy
|
||||||
backend", which has been updated to benefit from the new UI features.
|
backend", which has been updated to benefit from the new UI features.
|
||||||
|
|
||||||
|
|
||||||
|
|
@ -1178,10 +1179,10 @@ backend", which has been updated to benefit from the new UI features.
|
||||||
mode for *.html files. This mode handles indentation,
|
mode for *.html files. This mode handles indentation,
|
||||||
fontification, and commenting for embedded JavaScript and CSS.
|
fontification, and commenting for embedded JavaScript and CSS.
|
||||||
|
|
||||||
** New mode 'conf-toml-mode' is a sub-mode of conf-mode, specialized
|
** New mode 'conf-toml-mode' is a sub-mode of 'conf-mode', specialized
|
||||||
for editing TOML files.
|
for editing TOML files.
|
||||||
|
|
||||||
** New mode 'conf-desktop-mode' is a sub-mode of conf-unix-mode,
|
** New mode 'conf-desktop-mode' is a sub-mode of 'conf-unix-mode',
|
||||||
specialized for editing freedesktop.org desktop entries.
|
specialized for editing freedesktop.org desktop entries.
|
||||||
|
|
||||||
** New minor mode 'pixel-scroll-mode' provides smooth pixel-level scrolling.
|
** New minor mode 'pixel-scroll-mode' provides smooth pixel-level scrolling.
|
||||||
|
|
@ -1193,11 +1194,11 @@ editing Less files.
|
||||||
* Incompatible Lisp Changes in Emacs 26.1
|
* Incompatible Lisp Changes in Emacs 26.1
|
||||||
|
|
||||||
---
|
---
|
||||||
*** password-data is now a hash-table
|
** 'password-data' is now a hash-table so that 'password-read' can use
|
||||||
so that `password-read' can use any object for the `key' argument.
|
any object for the 'key' argument.
|
||||||
|
|
||||||
+++
|
+++
|
||||||
*** Command 'dired-mark-extension' now automatically prepends a '.' to the
|
** Command 'dired-mark-extension' now automatically prepends a '.' to the
|
||||||
extension when not present. The new command 'dired-mark-suffix' behaves
|
extension when not present. The new command 'dired-mark-suffix' behaves
|
||||||
similarly but it doesn't prepend a '.'.
|
similarly but it doesn't prepend a '.'.
|
||||||
|
|
||||||
|
|
@ -1221,25 +1222,29 @@ binding syntax as 'and-let*'.
|
||||||
---
|
---
|
||||||
** 'C-up', 'C-down', 'C-left' and 'C-right' are now defined in term
|
** 'C-up', 'C-down', 'C-left' and 'C-right' are now defined in term
|
||||||
mode to send the same escape sequences that xterm does. This makes
|
mode to send the same escape sequences that xterm does. This makes
|
||||||
things like forward-word in readline work.
|
things like 'forward-word' in readline work.
|
||||||
|
|
||||||
---
|
---
|
||||||
** hideshow mode got four key bindings that are analogous to outline
|
** hideshow mode got four key bindings that are analogous to outline
|
||||||
mode bindings: 'C-c @ C-a', 'C-c @ C-t', 'C-c @ C-d', and 'C-c @ C-e.'
|
mode bindings: 'C-c @ C-a', 'C-c @ C-t', 'C-c @ C-d', and 'C-c @ C-e'.
|
||||||
|
|
||||||
---
|
---
|
||||||
** Customizable variable 'query-replace-from-to-separator'
|
** Customizable variable 'query-replace-from-to-separator'
|
||||||
now doesn't propertize the string value of the separator.
|
now doesn't propertize the string value of the separator.
|
||||||
Instead, text properties are added by query-replace-read-from.
|
Instead, text properties are added by 'query-replace-read-from'.
|
||||||
Additionally, the new nil value restores pre-24.5 behavior
|
Additionally, the new nil value restores pre-24.5 behavior
|
||||||
of not providing replacement pairs via the history.
|
of not providing replacement pairs via the history.
|
||||||
|
|
||||||
---
|
---
|
||||||
** Some obsolete functions, variables, and faces have been removed:
|
** Some obsolete functions, variables, and faces have been removed:
|
||||||
*** make-variable-frame-local. Variables cannot be frame-local any more.
|
|
||||||
*** From subr.el: window-dot, set-window-dot, read-input, show-buffer,
|
*** 'make-variable-frame-local'. Variables cannot be frame-local any more.
|
||||||
eval-current-buffer, string-to-int
|
|
||||||
*** icomplete-prospects-length.
|
*** From subr.el: 'window-dot', 'set-window-dot', 'read-input',
|
||||||
|
'show-buffer', 'eval-current-buffer', 'string-to-int'.
|
||||||
|
|
||||||
|
*** 'icomplete-prospects-length'.
|
||||||
|
|
||||||
*** All the default-FOO variables that hold the default value of the
|
*** All the default-FOO variables that hold the default value of the
|
||||||
FOO variable. Use 'default-value' and 'setq-default' to access and
|
FOO variable. Use 'default-value' and 'setq-default' to access and
|
||||||
change FOO, respectively. The exhaustive list of removed variables is:
|
change FOO, respectively. The exhaustive list of removed variables is:
|
||||||
|
|
@ -1257,7 +1262,8 @@ change FOO, respectively. The exhaustive list of removed variables is:
|
||||||
'default-cursor-in-non-selected-windows',
|
'default-cursor-in-non-selected-windows',
|
||||||
'default-buffer-file-coding-system', 'default-major-mode', and
|
'default-buffer-file-coding-system', 'default-major-mode', and
|
||||||
'default-enable-multibyte-characters'.
|
'default-enable-multibyte-characters'.
|
||||||
*** Many variables obsoleted in 22.1 referring to face symbols
|
|
||||||
|
*** Many variables obsoleted in 22.1 referring to face symbols.
|
||||||
|
|
||||||
+++
|
+++
|
||||||
** The variable 'text-quoting-style' is now a customizable option. It
|
** The variable 'text-quoting-style' is now a customizable option. It
|
||||||
|
|
@ -1272,9 +1278,9 @@ now generate less chatter and more-compact diagnostics. The auxiliary
|
||||||
function 'check-declare-errmsg' has been removed.
|
function 'check-declare-errmsg' has been removed.
|
||||||
|
|
||||||
+++
|
+++
|
||||||
** The regular expression character class [:blank:] now matches
|
** The regular expression character class '[:blank:]' now matches
|
||||||
Unicode horizontal whitespace as defined in the Unicode Technical
|
Unicode horizontal whitespace as defined in the Unicode Technical
|
||||||
Standard #18. If you only want to match space and tab, use [ \t]
|
Standard #18. If you only want to match space and tab, use '[ \t]'
|
||||||
instead.
|
instead.
|
||||||
|
|
||||||
+++
|
+++
|
||||||
|
|
@ -1296,8 +1302,8 @@ characters: ‘’‛“”‟〞＂＇, unless they are escaped with backslash.
|
||||||
|
|
||||||
+++
|
+++
|
||||||
** 'default-file-name-coding-system' now defaults to a coding system
|
** 'default-file-name-coding-system' now defaults to a coding system
|
||||||
that does not process CRLF. For example, it defaults to utf-8-unix
|
that does not process CRLF. For example, it defaults to 'utf-8-unix'
|
||||||
instead of to utf-8. Before this change, Emacs would sometimes
|
instead of to 'utf-8'. Before this change, Emacs would sometimes
|
||||||
mishandle file names containing these control characters.
|
mishandle file names containing these control characters.
|
||||||
|
|
||||||
+++
|
+++
|
||||||
|
|
@ -1368,9 +1374,10 @@ documentation and had inherent races that led to security holes. A
|
||||||
call like (rename-file C D) that used the old, undocumented behavior
|
call like (rename-file C D) that used the old, undocumented behavior
|
||||||
can be written as (rename-file C (file-name-as-directory D)), a
|
can be written as (rename-file C (file-name-as-directory D)), a
|
||||||
formulation portable to both older and newer versions of Emacs.
|
formulation portable to both older and newer versions of Emacs.
|
||||||
Affected functions include add-name-to-file, copy-directory,
|
Affected functions include 'add-name-to-file', 'copy-directory',
|
||||||
copy-file, format-write-file, gnus-copy-file, make-symbolic-link,
|
'copy-file', 'format-write-file', 'gnus-copy-file',
|
||||||
rename-file, thumbs-rename-images, and write-file.
|
'make-symbolic-link', 'rename-file', 'thumbs-rename-images', and
|
||||||
|
'write-file'.
|
||||||
|
|
||||||
---
|
---
|
||||||
** The list returned by 'overlays-at' is now in decreasing priority order.
|
** The list returned by 'overlays-at' is now in decreasing priority order.
|
||||||
|
|
@ -1395,6 +1402,7 @@ Programs that called it with multiple arguments before should pass
|
||||||
them through 'format' first. Even that is discouraged: for ElDoc
|
them through 'format' first. Even that is discouraged: for ElDoc
|
||||||
support, you should set 'eldoc-documentation-function' instead of
|
support, you should set 'eldoc-documentation-function' instead of
|
||||||
calling 'eldoc-message' directly.
|
calling 'eldoc-message' directly.
|
||||||
|
|
||||||
|
|
||||||
* Lisp Changes in Emacs 26.1
|
* Lisp Changes in Emacs 26.1
|
||||||
|
|
||||||
|
|
@ -1453,9 +1461,7 @@ range of indentation.
|
||||||
** New optional argument TEXT in 'make-temp-file'.
|
** New optional argument TEXT in 'make-temp-file'.
|
||||||
|
|
||||||
---
|
---
|
||||||
** New function `define-symbol-prop'.
|
** New function 'define-symbol-prop'.
|
||||||
|
|
||||||
** Checksum/Hash
|
|
||||||
|
|
||||||
+++
|
+++
|
||||||
** New function 'secure-hash-algorithms' to list the algorithms that
|
** New function 'secure-hash-algorithms' to list the algorithms that
|
||||||
|
|
@ -1537,7 +1543,7 @@ function instead of 'subr-arity'.
|
||||||
** New function 'region-bounds' can be used in the interactive spec
|
** New function 'region-bounds' can be used in the interactive spec
|
||||||
to provide region boundaries (for rectangular regions more than one)
|
to provide region boundaries (for rectangular regions more than one)
|
||||||
to an interactively callable function as a single argument instead of
|
to an interactively callable function as a single argument instead of
|
||||||
two separate arguments region-beginning and region-end.
|
two separate arguments 'region-beginning' and 'region-end'.
|
||||||
|
|
||||||
+++
|
+++
|
||||||
** 'parse-partial-sexp' state has a new element. Element 10 is
|
** 'parse-partial-sexp' state has a new element. Element 10 is
|
||||||
|
|
@ -1567,27 +1573,27 @@ compares their numerical values. According to this predicate,
|
||||||
|
|
||||||
---
|
---
|
||||||
** Numeric comparisons and 'logb' no longer return incorrect answers
|
** Numeric comparisons and 'logb' no longer return incorrect answers
|
||||||
due to internal rounding errors. For example, (< most-positive-fixnum
|
due to internal rounding errors. For example, '(< most-positive-fixnum
|
||||||
(+ 1.0 most-positive-fixnum)) now correctly returns t on 64-bit hosts.
|
(+ 1.0 most-positive-fixnum))' now correctly returns t on 64-bit hosts.
|
||||||
|
|
||||||
---
|
---
|
||||||
** The functions 'ffloor', 'fceiling', 'ftruncate' and 'fround' now
|
** The functions 'ffloor', 'fceiling', 'ftruncate' and 'fround' now
|
||||||
accept only floating-point arguments, as per their documentation.
|
accept only floating-point arguments, as per their documentation.
|
||||||
Formerly, they quietly accepted integer arguments and sometimes
|
Formerly, they quietly accepted integer arguments and sometimes
|
||||||
returned nonsensical answers, e.g., (< N (ffloor N)) could return t.
|
returned nonsensical answers, e.g., '(< N (ffloor N))' could return t.
|
||||||
|
|
||||||
---
|
---
|
||||||
** On hosts like GNU/Linux x86-64 where a 'long double' fraction
|
** On hosts like GNU/Linux x86-64 where a 'long double' fraction
|
||||||
contains at least EMACS_INT_WIDTH - 3 bits, 'format' no longer returns
|
contains at least EMACS_INT_WIDTH - 3 bits, 'format' no longer returns
|
||||||
incorrect answers due to internal rounding errors when formatting
|
incorrect answers due to internal rounding errors when formatting
|
||||||
Emacs integers with %e, %f, or %g conversions. For example, on these
|
Emacs integers with '%e', '%f', or '%g' conversions. For example, on
|
||||||
hosts (eql N (string-to-number (format "%.0f" N))) now returns t for
|
these hosts '(eql N (string-to-number (format "%.0f" N)))' now returns
|
||||||
all Emacs integers N.
|
t for all Emacs integers N.
|
||||||
|
|
||||||
---
|
---
|
||||||
** Calls that accept floating-point integers (for use on hosts with
|
** Calls that accept floating-point integers (for use on hosts with
|
||||||
limited integer range) now signal an error if arguments are not
|
limited integer range) now signal an error if arguments are not
|
||||||
integral. For example (decode-char 'ascii 0.5) now signals an error.
|
integral. For example '(decode-char 'ascii 0.5)' now signals an error.
|
||||||
|
|
||||||
+++
|
+++
|
||||||
** The new function 'char-from-name' converts a Unicode name string
|
** The new function 'char-from-name' converts a Unicode name string
|
||||||
|
|
@ -1622,7 +1628,7 @@ ABBR is a time zone abbreviation. The affected functions are
|
||||||
'format-time-string', and 'set-time-zone-rule'.
|
'format-time-string', and 'set-time-zone-rule'.
|
||||||
|
|
||||||
+++
|
+++
|
||||||
** 'format-time-string' now formats "%q" to the calendar quarter.
|
** 'format-time-string' now formats '%q' to the calendar quarter.
|
||||||
|
|
||||||
+++
|
+++
|
||||||
** New built-in function 'mapcan'.
|
** New built-in function 'mapcan'.
|
||||||
|
|
@ -1699,7 +1705,7 @@ run.
|
||||||
frame's outer border.
|
frame's outer border.
|
||||||
|
|
||||||
+++
|
+++
|
||||||
*** New frame parameters and changed semantics for older ones
|
*** New frame parameters and changed semantics for older ones:
|
||||||
|
|
||||||
+++
|
+++
|
||||||
**** 'z-group' positions a frame above or below all others.
|
**** 'z-group' positions a frame above or below all others.
|
||||||
|
|
@ -1710,8 +1716,8 @@ frame.
|
||||||
|
|
||||||
+++
|
+++
|
||||||
**** 'parent-frame' makes a frame the child frame of another Emacs
|
**** 'parent-frame' makes a frame the child frame of another Emacs
|
||||||
frame. The section "Child Frames" in the Elisp manual describes the
|
frame. The section "(elisp) Child Frames" in the ELisp manual
|
||||||
intrinsics of that relationship.
|
describes the intrinsics of that relationship.
|
||||||
|
|
||||||
+++
|
+++
|
||||||
**** 'delete-before' triggers deletion of one frame before that of
|
**** 'delete-before' triggers deletion of one frame before that of
|
||||||
|
|
@ -1727,7 +1733,7 @@ frame.
|
||||||
|
|
||||||
+++
|
+++
|
||||||
**** 'skip-taskbar' removes a frame's icon from the taskbar and has
|
**** 'skip-taskbar' removes a frame's icon from the taskbar and has
|
||||||
Alt-<TAB> skip this frame.
|
'Alt-<TAB>' skip this frame.
|
||||||
|
|
||||||
+++
|
+++
|
||||||
**** 'no-focus-on-map' avoids that a frame gets input focus when mapped.
|
**** 'no-focus-on-map' avoids that a frame gets input focus when mapped.
|
||||||
|
|
@ -1796,19 +1802,18 @@ internal border.
|
||||||
WINDOW for redisplay.
|
WINDOW for redisplay.
|
||||||
|
|
||||||
+++
|
+++
|
||||||
*** Support for side windows is now official.
|
*** Support for side windows is now official. The display action
|
||||||
The display action function 'display-buffer-in-side-window' will
|
function 'display-buffer-in-side-window' will display its buffer in a
|
||||||
display its buffer in a side window. Functions for toggling all side
|
side window. Functions for toggling all side windows on a frame,
|
||||||
windows on a frame, changing and reversing the layout of side windows
|
changing and reversing the layout of side windows and returning the
|
||||||
and returning the main (major non-side) window of a frame are
|
main (major non-side) window of a frame are provided. For details
|
||||||
provided. For details consult the section "Side Windows" in the Elisp
|
consult the section "(elisp) Side Windows" in the ELisp manual.
|
||||||
manual.
|
|
||||||
|
|
||||||
+++
|
+++
|
||||||
*** Support for atomic windows - rectangular compositions of windows
|
*** Support for atomic windows - rectangular compositions of windows
|
||||||
treated by 'split-window', 'delete-window' and 'delete-other-windows'
|
treated by 'split-window', 'delete-window' and 'delete-other-windows'
|
||||||
like a single live window - is now official. For details consult the
|
like a single live window - is now official. For details consult the
|
||||||
section "Atomic Windows" in the Elisp manual.
|
section "(elisp) Atomic Windows" in the ELisp manual.
|
||||||
|
|
||||||
+++
|
+++
|
||||||
*** New 'display-buffer' alist entry 'window-parameters' allows to
|
*** New 'display-buffer' alist entry 'window-parameters' allows to
|
||||||
|
|
@ -1854,14 +1859,14 @@ window's body.
|
||||||
|
|
||||||
+++
|
+++
|
||||||
*** The semantics of 'mouse-autoselect-window' has changed slightly.
|
*** The semantics of 'mouse-autoselect-window' has changed slightly.
|
||||||
For details see the section "Mouse Window Auto-selection" in the Elisp
|
For details see the section "(elisp) Mouse Window Auto-selection" in
|
||||||
manual.
|
the ELisp manual.
|
||||||
|
|
||||||
---
|
---
|
||||||
** 'tcl-auto-fill-mode' is now declared obsolete. Its functionality
|
** 'tcl-auto-fill-mode' is now declared obsolete. Its functionality
|
||||||
can be replicated simply by setting 'comment-auto-fill-only-comments'.
|
can be replicated simply by setting 'comment-auto-fill-only-comments'.
|
||||||
|
|
||||||
** New pcase pattern 'rx' to match against a rx-style regular expression.
|
** New pcase pattern 'rx' to match against an rx-style regular expression.
|
||||||
For details, see the doc string of 'rx--pcase-macroexpander'.
|
For details, see the doc string of 'rx--pcase-macroexpander'.
|
||||||
|
|
||||||
---
|
---
|
||||||
|
|
@ -1881,7 +1886,7 @@ uniscribe).
|
||||||
+++
|
+++
|
||||||
** Intercepting hotkeys on Windows 7 and later now works better.
|
** Intercepting hotkeys on Windows 7 and later now works better.
|
||||||
The new keyboard hooking code properly grabs system hotkeys such as
|
The new keyboard hooking code properly grabs system hotkeys such as
|
||||||
Win-* and Alt-TAB, in a way that Emacs can get at them before the
|
'Win-*' and 'Alt-TAB', in a way that Emacs can get at them before the
|
||||||
system. This makes the 'w32-register-hot-key' functionality work
|
system. This makes the 'w32-register-hot-key' functionality work
|
||||||
again on all versions of MS-Windows starting with Windows 7. On
|
again on all versions of MS-Windows starting with Windows 7. On
|
||||||
Windows NT and later you can now register any hotkey combination. (On
|
Windows NT and later you can now register any hotkey combination. (On
|
||||||
|
|
|
||||||
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Reference in a new issue