This patch builds on a suggested patch by Mattias Engdegård
and on further comments by Eli Zaretskii.
Original bug report by Kevin Vigouroux (Bug#40671).
* doc/lispintro/emacs-lisp-intro.texi (set & setq, Review)
(setcar, Lists diagrammed, Mail Aliases, Indent Tabs Mode):
setq is a special form, not a function or command.
* doc/lispintro/emacs-lisp-intro.texi (setcar):
* doc/lispref/lists.texi (Modifying Lists, Rearrangement):
* doc/lispref/sequences.texi (Sequence Functions)
(Array Functions, Vectors):
* doc/lispref/strings.texi (String Basics, Modifying Strings):
Mention mutable vs constant objects.
* doc/lispintro/emacs-lisp-intro.texi (setcar, setcdr)
(kill-new function, cons & search-fwd Review):
* doc/lispref/edebug.texi (Printing in Edebug):
* doc/lispref/keymaps.texi (Changing Key Bindings):
* doc/lispref/lists.texi (Setcar, Setcdr, Rearrangement)
(Sets And Lists, Association Lists, Plist Access):
* doc/lispref/sequences.texi (Sequence Functions)
(Array Functions):
* doc/lispref/strings.texi (Text Comparison):
Fix examples so that they do not try to change constants.
I was at a loss as to why my attempt to set up spam-stat seemed to
have no effect, only to find (digging in the code) that it was
ignoring most of the sample files due to this undocumented variable.
* doc/misc/gnus.texi (Creating a spam-stat dictionary): Document
the variable 'spam-stat-process-directory-age'. (bug#39780)
* lisp/simple.el (shell-command-dont-erase-buffer): Clarify the
effect of the various values in the doc string.
(shell-command-save-pos-or-erase, shell-command): Don't move or
push point if the output will go to the current buffer.
(Bug#40690)
(shell-command): Mention 'shell-command-dont-erase-buffer' in the
doc string.
* test/lisp/simple-tests.el
(with-shell-command-dont-erase-buffer): Don't is shell quoting
'like this', as it doesn't work on MS-Windows; quote "like this"
instead.
(simple-tests-shell-command-dont-erase-buffer): Adapt the test to
the new modus operandi.
* doc/emacs/misc.texi (Single Shell): Document the effect of the
various values of 'shell-command-dont-erase-buffer'.
* etc/NEWS: Expand and reword the entry regarding changes in
'shell-command-dont-erase-buffer'.
* lisp/calculator.el (calculator-expt): Overflowing exponentiation
caused the function to return -1.0e+INF if the base was an odd,
negative number, no matter what the exponent was.
Copyright-paperwork-exempt: yes
By default, the flex completion style _does_ match spaces.
Fixes: bug#40625
* lisp/icomplete.el (icomplete--fido-mode-setup): Force
completion-flex-nospace to nil.
* lisp/minibuffer.el (completion-flex-nospace): Default to nil.
* doc/misc/efaq-w32.texi (Font names): Modify the expression to
insert a lits of all installed fonts so as to avoid producing too
long lines. Suggested by ndame <ndame@protonmail.com>.
* src/nsterm.m ([EmacsApp applicationDidFinishLaunching:]): Call
CoreFoundation functions that increase RLIMIT_NOFILE behind our back
during startup, and then set RLIMIT_NOFILE back to FD_SETSIZE to avoid
crashes in setup_process_coding_system (Bug#39164).
* lisp/simple.el (yank): Mention 'current-kill' in the doc string,
so that people could find all the gory details of what is "the most
recent kill" for this purpose. (Bug#40375)
* lisp/erc/erc-track.el (erc-track-switch-buffer): Factor out the
implementation from here ...
(erc-track--switch-buffer): ... to here.
(erc-track-switch-buffer-other-window): New function, like
`erc-track-switch-buffer', but uses `switch-to-buffer-other-window'
instead, to open the buffer in another window.
* lisp/erc/erc.el (erc-switch-to-buffer): Factor out the buffer choice
implementation from here ...
(erc--switch-to-buffer): ... to here.
(erc-switch-to-buffer-other-window): New function, like
`erc-switch-to-buffer', but uses `switch-to-buffer-other-window'
instead, to open the buffer in another window.
'gnus-shorten-url' (used by 'gnus-summary-browse-url') ignored
fragment identifiers and didn't check substring bounds, in some cases
leading to runtime errors, e.g.:
(gnus-shorten-url "https://some.url.with/path/and#also_a_long_target" 40)
;; => Lisp error: (args-out-of-range "/path/and" -18 nil)
This commit makes it account for #fragments and fixes faulty string
computation. (bug#39980)
Do not merge to master, where the helper is put to subr-x.el.
* lisp/gnus/gnus-sum.el (gnus--string-truncate-left): New helper
function (copied from 'ediff-truncate-string-left').
(gnus-shorten-url): Use it and don't drop #fragments.
* doc/lispintro/emacs-lisp-intro.texi (Prevent confusion): Mention
that dynamic scoping is only the default in Emacs Lisp, not the
only scoping rule. (Bug#40594)
* lisp/simple.el (compose-mail): Clarify the effect of the
CONTINUE argument.
* lisp/mail/sendmail.el (mail-from-style): Update the RFC value in
the obsolescence warning text.
* doc/emacs/sending.texi (Sending Mail): Fix the description of
the behavior of 'C-x m' wrt prefix argument.
(Mail Headers): Remove the description of 'mail-from-style'.
* etc/NEWS: Mention that 'mail-from-style' is obsolete.
(Bug#40561)
* src/xfns.c (Fx_gtk_debug, Sx_gtk_debug): Define only for GTK
versions >= 3.14.0 so gtk_window_set_interactive_debugging is
defined. Reported by Andreas Schwab <schwab@linux-m68k.org>.
* doc/emacs/display.texi (Scrolling): Add a paragraph on using jit-lock
deferred fontification as a way of obviating Emacs hanging after
auto-repeated scrolling.
Don't make it sound like `:key-sequence nil` is any different than the
absence of `:key-sequence`. And the performance advantage of
`:key-sequence` disappeared long ago.
* src/dispnew.c (update_window): Reset the window's
'must_be_updated_p' flag if the window's update was completed
without interruption. This fixes redisplay glitches when
'redisplay-dont-pause' is nil, at least on MS-Windows, because
'expose_window' doesn't redraw the exposed rectangle when the
window's 'must_be_updated_p' flag is set.
* lisp/cedet/pulse.el (pulse-reset-face): Propagate the :extend
attribute of FACE to the face used for displaying the pulse.
Reported by Adam Porter <adam@alphapapa.net>.
* lisp/jit-lock.el (jit-lock-contextually): Clarify the jit-lock
operation when 'jit-lock-contextually' is non-nil and non-t.
* doc/lispref/modes.texi (Syntactic Font Lock)
(Other Font Lock Variables): Document the relation between
'jit-lock-register', 'font-lock-keywords-only', and syntactic
refontification.
* src/gtkutil.c (xg_frame_set_char_size): Skip resizing if the
target dimensions are unchanged for child frames with
'resize-mode' resize policy as well.
(1) Provide new option 'x-gtk-resize-child-frames' which allows
to either hide a child frame during resizing or asks GTK to
resize it "immediately". This is needed because desktops like
GNOME shell otherwise won't allow resizing child frames at all.
(2) Do not try to synchronize the position of a child frame
after moving it. Needed because the present implementation
introduces a 0.5 secs delay which makes dragging child frames
virtually impossible with Lucid and Motif toolkits on desktops
like GNOME shell that use invisible outer frame borders.
For further information see the thread starting with
https://lists.gnu.org/archive/html/emacs-devel/2020-01/msg00343.html
* src/frame.c (syms_of_frame): New symbol Qxg_frame_set_char_size_4.
* src/gtkutil.c (xg_frame_set_char_size): Hide child frame
during resizing when 'x-gtk-resize-child-frames' equals 'hide'.
* src/xfns.c (x_set_parent_frame, Fx_create_frame): Set
gtk_container_resize_mode to GTK_RESIZE_IMMEDIATE for child
frames when'x-gtk-resize-child-frames' equals 'resize-mode'.
(Fx_gtk_debug): New function to toggle interactive GTK debugging
from within Emacs.
(syms_of_xfns): New symbols Qhide and Qresize_mode.
(x-gtk-resize-child-frames): New option that allows to resize
child frames on desktops like GNOME shell (with the mutter WM)
that otherwise refuse to resize them.
* src/xterm.c (x_set_offset): Don't x_sync_with_move for child
frames, it makes moving child frames virtually impossible with
the Lucid and Motif toolkits.
* doc/man/emacs.1.in: Fix syntax of --script argument. The Info
manual states that --script has to be followed by a space, and the
syntax with the equals sign doesn't actually work.
* lisp/vc/log-edit.el (log-edit-fill-entry): Relax regexp a bit to
recognize function entries with leading blanks.
* test/lisp/vc/log-edit-tests.el: New test.
* lisp/emacs-lisp/re-builder.el (reb-while): Take the current value of
the counter instead of its name.
(reb-mark-non-matching-parenthesis): Bind n-reb to 0 at the start and
don't wrongly treat it as dynamicly bound.
* src/emacs-module.c (module_copy_string_contents): Fix incorrect
variable use. In this branch 'lisp_str_utf8' is always nil, so it
makes little sense to add it as error data.
