Stefan Monnier [Sun, 8 Mar 2020 04:28:12 +0000 (23:28 -0500)]
* lisp/emacs-lisp/bytecomp.el: Drop warning for loading into Emacs<23
Stash the major version of the compiling Emacs such that the loading
Emacs can later detect when loading a file compiled by a too-new Emacs.
(byte-compile-fix-header): Remove.
(byte-compile-from-buffer): Don't call it any more.
(byte-compile-insert-header): Stash the emacs-major-version in it.
Don't leave space for `byte-compile-fix-header`.
Fixes (Bug#39761) by making cl-extra dependent on seq rather than
vice versa.
* lisp/emacs-lisp/seq.el (seq-concatenate): Move cl-concatenate's
code here instead of calling it.
* lisp/emacs-lisp/cl-extra.el (cl-concatenate): Use cl-concatenate.
Paul Eggert [Sat, 7 Mar 2020 20:04:05 +0000 (12:04 -0800)]
Add ‘nofollow’ flag to set-file-times
This is a companion to the recent set-file-modes patch.
It adds support for a ‘nofollow’ flag to set-file-times (Bug#39773).
Like the set-file-modes patch, it needs work in the w32 port.
* admin/merge-gnulib (GNULIB_MODULES): Add futimens, utimensat.
Remove utimens.
* doc/lispref/files.texi (Changing Files):
* etc/NEWS: Mention the change.
* lib/gnulib.mk.in, m4/gnulib-comp.m4: Regenerate.
* lisp/files.el (copy-directory):
* lisp/gnus/gnus-cloud.el (gnus-cloud-replace-file):
* lisp/net/tramp-adb.el (tramp-adb-handle-copy-file):
* lisp/net/tramp-smb.el (tramp-smb-handle-copy-file):
* lisp/tar-mode.el (tar-copy):
* test/lisp/filenotify-tests.el (file-notify-test03-events):
* test/lisp/files-tests.el:
(files-tests-file-name-non-special-set-file-times):
* test/lisp/net/tramp-tests.el (tramp-test22-file-times):
When setting file times, avoid following symbolic links
when the file is not supposed to be a symbolic link.
* lib/futimens.c, lib/utimensat.c, m4/futimens.m4, m4/utimensat.m4:
New files, copied from Gnulib.
* lisp/gnus/gnus-cloud.el (gnus-cloud-replace-file):
When creating a file that is not supposed to exist already,
use the excl flag to check this.
* lisp/net/tramp-adb.el (tramp-adb-handle-set-file-times):
* lisp/net/tramp-sh.el (tramp-sh-handle-set-file-times):
* lisp/net/tramp-sudoedit.el (tramp-sudoedit-handle-set-file-times):
Accept an optional FLAG arg that is currently ignored,
and add a FIXME comment for it.
* lisp/net/tramp-gvfs.el (tramp-gvfs-handle-set-file-times):
* src/fileio.c (Fset_file_times):
Support an optional FLAG arg.
* src/fileio.c (Fcopy_file): Use futimens instead of set_file_times,
as it’s simpler and is a POSIX API.
* src/sysdep.c (set_file_times): Move from here ...
* src/w32.c (set_file_times): ... to here, and make it static,
since it is now used only in w32.c. Presumably w32.c should also
add support for futimens and utimensat (the POSIX APIs, which
Emacs now uses) and it can remove fdutimens (the Gnulib API,
which Emacs no longer uses).
Glenn Morris [Sat, 7 Mar 2020 15:50:28 +0000 (07:50 -0800)]
Merge from origin/emacs-27
72f87f8873 (origin/emacs-27) NS port documentation updates 5b19db98ad ; * etc/NEWS: correctly describe what fido-mode is fc47e3ad99 Let fido-mode users force a minibuffer-exit e734961d4c icomplete-fido-exit: New command for the M-j binding 335a9bd215 minibuffer-force-complete-and-exit: Allow input with no ma... 34132d4bf6 ; * etc/NEWS: Mark 2 entries as fully documented. d28b73841b ; * etc/NEWS: Fix the 'mml-secure-openpgp-sign-with-sender... d1d56a9fd9 ; * etc/NEWS: 'thunk-let' and 'thunk-let*' are fully docum... fc4f4efabf ; * etc/NEWS: No need to document vc-hg and mergebase chan... 9e8456cf0f ; * etc/NEWS: No need to document changes in Octave mode. 25b4d6fa28 ; * etc/NEWS: No need to document changes in map.el and se... fc4d0f86da ; * etc/NEWS: No need to document Ido news. d4ac478cb3 ; * etc/NEWS: No need to document news of doc-view.el. 08c042bd26 Document that 'byte-compile-dynamic' is obsolete 512b66abd7 ; * etc/NEWS: No need to document 'goto-address-uri-scheme... 3103c01c3e ; * etc/NEWS: Formatting fixes. 98306fdfb8 ; * etc/NEWS: No need to document deprecation of 'cl'. 6281ed58be ; * etc/NEWS: No need to document the change in 'list-proc... e252341e11 ; * etc/NEWS: 'backup-by-copying-when-privileged-mismatch'... ec5a267ddc ; * etc/NEWS: Mark 'byte-count-to-string-function' as undo... 89307ebccd ; * etc/NEWS: Mark 'completion-common-part' face entry as ... fdbe7cacfb Document the changes in 'read-answer' 10c58356e4 Document changes in lexical-binding 5cb312b5b9 Update ERC mailing list address cb1877321b Use regexp-opt to define bibtex-autokey-transcriptions. (... 3f9c340de0 Improve documentation of 'table-generate-source' 33b31dc314 Attempt to avoid rare segfaults in show_mouse_face 88c6db9196 Avoid crashes when a fontset has strange entries 1814c7e158 Fix rx error with ? and ?? 40fb20061e * lisp/emacs-lisp/rx.el (rx--string-to-intervals): Fix err... 08d7d28d35 Fix args in 'window-text-pixel-size' call in 'fit-window-t... cb1e30910e Have pulse.el preserve existing overlay priorities
Alan Third [Sat, 7 Mar 2020 14:39:05 +0000 (14:39 +0000)]
NS port documentation updates
* doc/emacs/macos.texi (Mac / GNUstep Customization): Document some
more of the ns- variables and remove incorrect font back-end
information.
* etc/NEWS: Update the documentation status of macOS news entries.
Dmitry Gutov [Wed, 4 Mar 2020 23:52:58 +0000 (01:52 +0200)]
minibuffer-force-complete-and-exit: Allow input with no matches
* lisp/minibuffer.el (minibuffer--require-match): New variable.
(completing-read-default): Bind it to the REQUIRE-MATCH value.
(minibuffer-force-complete-and-exit): Consult it to allow input
with no matches when a match is not required (bug#38992).
* lisp/icomplete.el (icomplete-exhibit): Use it to render the
correct parens around matches.
Amin Bandali [Fri, 6 Mar 2020 17:54:23 +0000 (12:54 -0500)]
Update ERC mailing list address
* lisp/erc/erc.el (erc-official-location): As part of bringing ERC
under the Emacs umbrella, erc-discuss has been renamed to emacs-erc,
and will be *the* mailing list for discussions and announcements about
ERC going forward. The other two lists, erc-announce and erc-commit,
are now retired. For more details, see the announcement at
<https://lists.gnu.org/archive/html/emacs-erc/2020-03/msg00001.html>.
Juri Linkov [Fri, 6 Mar 2020 00:27:32 +0000 (02:27 +0200)]
Fix handling of empty input in describe-variable and describe-symbol
* lisp/help-fns.el (describe-variable): Use 'user-error' like in
'describe-function'.
(describe-symbol): Use empty string for arg SYMBOL when input is empty
and there is no default value.
This allows to signal the error "You didn't specify a function or variable"
instead of displaying help about the symbol 'nil' on empty input.
OTOH, still allows to see help about 'nil' when the input is "nil".
Juri Linkov [Fri, 6 Mar 2020 00:19:00 +0000 (02:19 +0200)]
New command make-frame-on-current-monitor to use in windmove (bug#39875)
* lisp/frame.el (make-frame-on-current-monitor): New command.
* lisp/windmove.el (windmove-display-in-direction):
Use make-frame-on-current-monitor for 'new-frame'.
(windmove-display-new-frame): New command.
(windmove-display-default-keybindings): Bind
windmove-display-new-frame to 'f' key.
* lisp/window.el (display-buffer-in-direction): Fix quotes in docstring.
Eli Zaretskii [Thu, 5 Mar 2020 15:57:21 +0000 (17:57 +0200)]
Avoid crashes when a fontset has strange entries
* src/fontset.c (reorder_font_vector): Skip nil entries in the
loop that assigns scores to rfont_def's.
(fontset_compare_rfontdef): Cope with nil. This has the effect of
moving any nil entries to the end of the font-group, and avoids
crashing if an element other than the last in the font-group is
nil. (Bug#39892)
The ? and ?? rx operators are special in that they can be written as
characters (space and '?' respectively). This confused the definition
look-up mechanism in rare cases.
Glenn Morris [Wed, 4 Mar 2020 21:57:58 +0000 (13:57 -0800)]
Merge from origin/emacs-27
a3c2d186eb (origin/emacs-27) CC Mode: Fix the handling of two adjacen... a1abf73c76 Fix combine-change-calls-1 for when buffer-undo-list is t db37dd2e84 Don't misinterpret doc string as initial value 40b217c2bf Bump checkdoc-version to match library header 60418a1ab2 Explain how to unset mode bindings (Bug#39802) 7cafbbe964 Fix describe-variable on values with circular syntax (Bug#... 592b1cfee9 Improve documentation of next-error-highlight-no-select (b...
Original problem report by N. Jackson in:
https://lists.gnu.org/r/emacs-devel/2020-03/msg00047.html
I found some other warnings when I used gcc, and fixed them
with this patch.
* lib-src/etags.c: Include verify.h.
(xnmalloc, xnrealloc): Tell the compiler that NITEMS is
nononnegative and ITEM_SIZE is positive.
* src/conf_post.h (__has_attribute_returns_nonnull)
(ATTRIBUTE_RETURNS_NONNULL): New macros.
* src/editfns.c (Fuser_full_name): Don’t assume Fuser_login_name
returns non-nil.
* src/intervals.c (rotate_right, rotate_left, update_interval):
* src/intervals.h (LENGTH, LEFT_TOTAL_LENGTH, RIGHT_TOTAL_LENGTH):
Use TOTAL_LENGTH0 or equivalent on intervals that might be null.
* src/intervals.h (TOTAL_LENGTH): Assume arg is nonnull.
(TOTAL_LENGTH0): New macro, with the old TOTAL_LENGTH meaning.
(make_interval, split_interval_right): Add ATTRIBUTE_RETURNS_NONNULL.
* src/pdumper.c (dump_check_dump_off): Now returns void, since
no caller uses the return value. Redo assert to pacify GCC.
(decode_emacs_reloc): Add a seemingly-random eassume to pacify GCC.
Ugly, and I suspect due to a bug in GCC.
Alan Mackenzie [Wed, 4 Mar 2020 21:17:04 +0000 (21:17 +0000)]
CC Mode: Fix the handling of two adjacent after-change-functionses.
The bug involved failing to set c-new-END correctly, which lead to an
args-out-of-range error when after-change-functions was invoked twice without
an intervening invocation of before-change-functions.
* lisp/progmodes/cc-mode.el (c-after-change): Correct a coding error in the
handling of c-just-done-before-change.
Alan Third [Wed, 4 Mar 2020 20:51:40 +0000 (20:51 +0000)]
Fix more NS_DRAW_TO_BUFFER #ifdefs (bug#39883)
* src/nsterm.m (ns_update_end): Make sure the frame is updated after
drawing.
(ns_focus):
(ns_unfocus): Should be checking on NS_DRAW_TO_BUFFER rather than if
it's Cocoa or GNUstep.
* lisp/loadhist.el (loadhist--restore-autoload):
* lisp/progmodes/vhdl-mode.el (vhdl-font-lock-keywords-0):
Prevent the doc string from being used as initial value.
Paul Eggert [Tue, 3 Mar 2020 18:17:34 +0000 (10:17 -0800)]
Time division speedups
* src/timefns.c (frac_to_double) [FASTER_TIMEFNS]: Prefer intmax_t
division or double division to mpz division if they also yield the
correctly rounded result.
Paul Eggert [Tue, 3 Mar 2020 18:17:34 +0000 (10:17 -0800)]
Fix rounding errors in time conversion
* src/timefns.c (frac_to_double): Pass FLT_RADIX to mpz_sizeinbase
instead of doing the radix calculation ourselves, not always
correctly. Fix off-by-one error in scale, which caused
double-rounding.
(decode_time_components): Use frac_to_double (via decode_ticks_hz)
to fix double-rounding error that can occur even though
intermediate results are long double.
* test/src/timefns-tests.el (float-time-precision):
Test the above fixes.
Eli Zaretskii [Tue, 3 Mar 2020 16:40:28 +0000 (18:40 +0200)]
Fix handling MS-Windows keyboard input above the BMP
* src/w32term.c (w32_read_socket): If we get a WM_UNICHAR message
with a surrogate codepoint, assemble the corresponding character
code above the BMP from its UTF-16 encoding, communicated in two
consecutive WM_UNICHAR messages.
Štěpán Němec [Sat, 29 Feb 2020 18:43:53 +0000 (19:43 +0100)]
Use help-fns-short-filename in other describe- commands
The commit
2015-01-16T22:52:15-05:00!monnier@iro.umontreal.ca 24b7f77581
(Improve handling of doc-strings and describe-function for cl-generic)
added 'help-fns-short-filename', which provides file name shortening
smarter than a simple 'file-name-nondirectory' call, but besides the
generic/eieio functions ('cl--generic-describe', 'cl--describe-class',
'eieio-help-constructor'), it is currently only used by
'describe-function' (via 'help-fns-function-description-header').
Make the other help commands use it, too.
(Other than the obvious consistency/maintenance argument, my immediate
motivation for this change is the possibility to customize the file
name abbreviation by advising the function.)
* lisp/help.el (describe-mode): Move to help-fns.el. The command was
already depending on 'find-lisp-object-file-name' defined there.
* lisp/help-fns.el (describe-variable) (describe-face) (describe-keymap)
(describe-mode): Use 'help-fns-short-filename'.
Alan Third [Mon, 2 Mar 2020 17:54:32 +0000 (17:54 +0000)]
Fix macOS/GNUstep compilation warnings
* src/nsfns.m (handlePanelKeys): Unused function.
* src/nsterm.m (ns_set_appearance):
([EmacsView initFrameFromEmacs:]): Use EmacsWindow type instead of
NSWindow.
(ns_clip_to_row): Unused function.
(ns_dumpglyphs_stretch): Remove unused variable.
(ns_term_init):
([EmacsWindow setAppearance]): Only compile on macOS.
(ns_mouse_position): Make sure f is initialised on GNUstep.
* src/emacs.c (main): Move allocation of autorelease pool to before
first use.
Robert Pluim [Fri, 24 Jan 2020 13:11:44 +0000 (14:11 +0100)]
Don't attempt to cache glyph metrics for FONT_INVALID_CODE
This was causing massive slowdown in redisplay when eg #xfe0f
(VARIATION SELECTOR-16) was present, as the cache ended up very large,
unused, and being recreated on every call to font_fill_lglyph_metrics
(Bug#39133).
* src/composite.c (fill_gstring_body): Hoist FONT_OBJECT_P check out
of loop. Calculate glyph code and check for FONT_INVALID_CODE before
calling font_fill_lglyph_metrics. Pass glyph code to it.
* src/font.c (font_fill_lglyph_metrics): Add code parameter, move
glyph code calculation up the call stack into fill_gstring_body.
Štěpán Němec [Thu, 29 Aug 2019 17:32:08 +0000 (19:32 +0200)]
whitespace: Turn long lines regexp into a function (bug#36837)
* lisp/whitespace.el (whitespace-color-on): Turn long lines regexp
into a function to ensure it uses current 'whitespace-line-column'
and 'fill-column' values. (Bug#36837)
(whitespace-lines-regexp): New function.
Perform 'regexp-opt' on nested 'or' forms, and after expansion of
user-defined and 'eval' forms. Characters are now turned into strings
for wider 'regexp-opt' scope. This preserves the longest-match
semantics for string in 'or' forms over composition.
* doc/lispref/searching.texi (Rx Constructs): Document.
* lisp/emacs-lisp/rx.el (rx--normalise-or-arg)
(rx--all-string-or-args): New.
(rx--translate-or): Normalise arguments first, and check for strings
in subforms.
(rx--expand-eval): Extracted from rx--translate-eval.
(rx--translate-eval): Call rx--expand-eval.
* test/lisp/emacs-lisp/rx-tests.el (rx-or, rx-def-in-or): Add tests.
* etc/NEWS: Announce.
Stefan Kangas [Sun, 1 Mar 2020 00:19:23 +0000 (01:19 +0100)]
Make 'load-dangerous-libraries' obsolete (Bug#37819)
When 'load-dangerous-libraries' was t, Emacs allowed loading .elc
files compiled by XEmacs. This patch removes the support for that use
case, and declares the variable obsolete.
* lisp/subr.el (load-dangerous-libraries): Declare obsolete.
* src/lread.c (Fload): Ignore its value, and thereby refuse to load
files byte compiled by XEmacs.
(syms_of_lread): Update doc string of 'bytecomp-version-regexp' to not
refer to it.
* doc/emacs/building.texi (Lisp Libraries): Remove its documentation.
Distinguish offsets between manual-vs-automatic scrolling
as integers-vs-floats instead of positive-vs-negative integers.
* lisp/tab-line.el (tab-line-format-template): Use 'numberp'
instead of 'integerp', and 'truncate' instead of 'abs'.
(tab-line-format): When the window-buffer was updated, set window-parameter
to float to enable auto-hscroll after it was disabled on manual scrolling.
(tab-line-auto-hscroll-buffer): New variable with internal buffer.
(tab-line-auto-hscroll): Erase in tab-line-auto-hscroll-buffer.
Use 'numberp' instead of 'integerp', 'truncate' instead of 'abs',
and 'float' instead of '-'.
(tab-line-hscroll): Use 'numberp' instead of 'integerp',
and 'truncate' instead of 'abs'.