* lisp/calc/calccomp.el (math-compose-sqrt): Use a square root
character, if possible (bug#22919). Suggested by Zephyr Pellerin
<zephyr.pellerin@gmail.com>.
Eli Zaretskii [Tue, 15 Sep 2020 15:44:01 +0000 (18:44 +0300)]
Avoid aborts in display_mode_element
* src/xdisp.c (display_mode_element): Use parse_str_as_multibyte,
not multibyte_chars_in_text, to determine whether mode-line spec
shall be displayed as a multibyte or unibyte string. We cannot
use multibyte_chars_in_text here because it aborts when it finds
raw bytes in the spec string. (Bug#43409)
Robert Pluim [Fri, 11 Sep 2020 08:29:24 +0000 (10:29 +0200)]
Stop querying for fonts as soon as a match is found
Scanning through fonts can be very slow, especially with the 'x' font
backend, and the result is almost always not used. Stop looking for a
font as soon as one is found rather than scanning all the backends.
* src/font.c (font_list_entities): Stop scanning through the font
backends as soon as we find a match unless
'query-all-font-backends is set (Bug#43177).
(syms_of_font): New variable 'query-all-font-backends', default
false.
Eli Zaretskii [Tue, 15 Sep 2020 15:09:03 +0000 (18:09 +0300)]
Fix MS-Windows compilation of Gnulib with old versions of MinGW
* nt/inc/ms-w32.h (_WIN32_WINNT_WIN2K, _WIN32_WINNT_WINXP)
(_WIN32_WINNT_WS03, _WIN32_WINNT_VISTA, _WIN32_WINNT_WIN7,
_WIN32_WINNT_WIN8, _WIN32_WINNT_WINBLUE, _WIN32_WINNT_WIN10)
[__MINGW32__]: Define if any of these is not defined. Reported by
martin rudalics <rudalics@gmx.at>.
Enable uniquify-buffer-name-style to be a function.
* lisp/uniquify.el (uniquify-buffer-name-style) : Add "Other" custom
option
(uniquify-get-proposed-name) : Add condition for when
uniquify-buffer-name-style is a function.
Fix mailclient-send-it after recent browse-url rewrite
* lisp/mail/mailclient.el (mailclient-send-it): Make this function
work again after the browse-url machinery was changed to use
browse-url-default-handlers instead.
Stephen Berman [Mon, 14 Sep 2020 12:55:52 +0000 (14:55 +0200)]
Fix problem of marking files with hidden subdirs
* lisp/dired.el (dired-unhide-subdir):
(dired-subdir-hidden-p):
(dired-subdir-min): Moved from subr-x.
(dired-get-filename): Get the correct filename when directories
are hidden (bug#8484).
Further fixups in minibuffer-default--in-prompt-regexps
* lisp/minibuf-eldef.el (minibuffer-default--in-prompt-regexps):
Really allow shortening the default prompt format to [foo] (if
requested) (bug#12443).
Calc: fix binomial coefficients for negative arguments (bug#16999)
For some values outside integers 0≤k≤n, (n choose k) gave wrong
results, entered infinite recursion or used unreasonably amounts of
stack space. This change fixes that and extends the function to all
integer arguments using the definitions from M. J. Kronenburg
(https://arxiv.org/abs/1105.3689).
* lisp/calc/calc-comb.el (calcFunc-choose):
Fix sign error to prevent infinite recursion and extend function to
handle all integer arguments.
(math-choose-iter, math-choose-float-iter): Rewrite in iterative form;
no TCO in elisp yet.
* test/lisp/calc/calc-tests.el (calc-tests--fac, calc-tests--choose)
(calc-tests--check-choose, calc-tests--explain-choose)
(calc-tests--calc-to-number): New helper functions.
(calc-choose): New test.
Philipp Stephani [Sun, 13 Sep 2020 18:21:41 +0000 (20:21 +0200)]
Add facility to make module functions interactive (Bug#23486).
* src/module-env-28.h: Add field for 'make_interactive' function.
* src/emacs-module.c (Lisp_Module_Function): Add new field holding the
interactive form.
(allocate_module_function): Adapt to structure layout change.
(module_make_interactive, module_function_interactive_form): New
functions.
(initialize_environment): Use them.
* test/data/emacs-module/mod-test.c (Fmod_test_identity): New test
function.
(emacs_module_init): Create two interactive module test functions.
* test/src/emacs-module-tests.el (module/interactive/return-t)
(module/interactive/return-t-int, module/interactive/identity):
New unit tests.
* doc/lispref/internals.texi (Module Functions): Document new
function. Rework paragraph about wrapping module functions, as the
example no longer applies.
Stefan Kangas [Sun, 13 Sep 2020 16:24:31 +0000 (18:24 +0200)]
Improve frame-title-format and icon-title-format
* src/xdisp.c (syms_of_xdisp): Replace 'invocation-name' with the text
"%b - GNU Emacs" and replace "@" with " at ". (Bug#41147)
* etc/NEWS: Announce the above change.
Stefan Kangas [Wed, 9 Sep 2020 23:32:24 +0000 (01:32 +0200)]
Make M-x show obsolete commands (Bug#43300)
* lisp/simple.el (read-extended-command): Don't hide obsolete
commands.
(read-extended-command--annotation): Show an annotation for obsolete
commands that says what their new name is.
read-file-name already displays a long path when given a default
(like INITIAL in many other prompting functions), so using
format-prompt here is superfluous.
Michael Albinus [Sun, 13 Sep 2020 11:25:52 +0000 (13:25 +0200)]
Fix a conversion failure in tramp-archive-tests (Bug#43353)
* test/lisp/net/tramp-archive-tests.el
(tramp-archive-test-file-archive-hexlified): New defun.
(tramp-archive-test02-file-name-dissect): Use it. (Bug#43353)
* test/Makefile.in (TEST_LOCALE): Remove.
(emacs): Don't force LC_ALL=C, since it causes problems with
non-ascii directories. This mirrors a 7-year old lisp/Makefile change.
Adapt some tests for Emacs's excitingly variable quoting format
* test/lisp/subr-tests.el (subr-test-version-parsing):
* test/lisp/emacs-lisp/gv-tests.el (gv-dont-define-expander-other-file):
* test/src/callint-tests.el (call-interactively/incomplete-multibyte-sequence):
* test/src/emacs-module-tests.el (module/describe-function-1):
Don't fail if curly quotes are in use, as they can be if LC_ALL != C.
Michael Albinus [Sat, 12 Sep 2020 17:33:44 +0000 (19:33 +0200)]
Cleanup in dbus.el, dbus-tests.el
* lisp/net/dbus.el (dbus-error-no-reply): New defconst.
(dbus-call-method): Use it.
(dbus-call-method-asynchronously, dbus-register-signal): Fix docstring.
(dbus-unregister-object): Obey :serial entries in
`dbus-registered-objects-table'.
Alan Mackenzie [Sat, 12 Sep 2020 16:37:56 +0000 (16:37 +0000)]
C++ Mode: handle __attribute__,etc. inside constructor argument lists
This corrects both the fontification and indentation of these things, fixing
bug #42270.
* lisp/progmodes/cc-engine.el (c-do-declarators): Skip over "hangon keys" and
noise macros whilst scanning a putative C++ function.
(c-forward-decl-or-cast-1): When checking for typeless functions, skip over
"hangon keys" and noise macros.
* lisp/progmodes/cc-mode.el (c-fl-decl-end): Deal with certain invalid
"nested declarators" by scanning over them with a recursive call of
c-fl-decl-end.
* lisp/progmodes/cc-vars.el (c-noise-macro-names)
(c-noise-macro-with-parens-names): State in the doc strings that if either of
these is a regexp, it must have a submatch 1 which matches the noise macro
exactly.
Martin Rudalics [Fri, 11 Sep 2020 20:04:20 +0000 (16:04 -0400)]
Fix toggle-frame-fullscreen on w32 builds
* src/w32term.c (w32_read_socket): Set 'fullscreen' to 'maximized'
if Windows sends SIZE_MAXIMIZED and either the top or the left of
the frame is outside the screen. (Bug#25542)
* lisp/mail/flow-fill.el (fill-flowed): Don't bug out if there's a
space at the end of the buffer. This is probably not allowed in
the flow-fill specification, but has been observed in the wild.
Alan Mackenzie [Fri, 11 Sep 2020 14:18:43 +0000 (14:18 +0000)]
CC Mode: Fix minor bugs in the string handling functions
These sometimes gave rise to the tail of a buffer being "stringed out".
* lixp/progmodes/cc-defs.el (c-will-be-unescaped): New macro.
* lisp/progmodes/cc-mode.el (c-before-change-check-unbalanced-strings)
(c-after-change-mark-abnormal-strings): Fix bugs in the handling of string
fence syntax-table text properties.
Michael Albinus [Fri, 11 Sep 2020 13:34:33 +0000 (15:34 +0200)]
D-Bus: Implement other compound types of properties
* doc/misc/dbus.texi (Errors and Events):
* etc/NEWS: Mention dbus-show-dbus-errors.
* lisp/net/dbus.el (dbus-compound-types): New defconst.
(dbus): New defgroup.
(dbus-show-dbus-errors): New defcustom.
(dbus-ignore-errors): Use it.
(dbus-set-property): Simplify.
(dbus-property-handler): Implement other compound types of properties.
* lisp/net/mailcap.el (mailcap-view-mime): Most MIME viewers can't
take input on stdin (and in any case, "-" is not how many of them
designate stdin) (bug#43318). So rewrite to put the data on a
file and feed the file name to the viewer.
* lisp/calc/calc-comb.el (math-small-factorial-table):
* lisp/calc/calc-funcs.el (math-bernoulli-b-cache):
* lisp/calc/calc.el (math-2-word-size, math-half-2-word-size):
No need for math-read-number-simple.
Andrew G Cohen [Fri, 11 Sep 2020 02:31:47 +0000 (10:31 +0800)]
Allow an info structure as argument for gnus-group-get-parameter
* lisp/gnus/gnus.el (gnus-group-get-parameter): Allow the group
argument to be either a group name or a group info structure. This is
then parallel to gnus-group-set-parameter.
Andrew G Cohen [Fri, 11 Sep 2020 01:02:09 +0000 (09:02 +0800)]
Clean up group-finding in Gnus nnir search
This is part of removing code from nnir.el that isn't related to
searching backends and therefore belongs somewhere else.
* lisp/gnus/gnus-group.el (gnus-group-make-search-group)
(gnus-group-read-ephemeral-search-group): Put the logic for
determining the groups to search here, rather than in nnir. Improve
documentation.
* lisp/gnus/gnus-int.el (gnus-server-get-active): Renamed from
'nnir-get-active.
* lisp/gnus/nnir.el (nnir-run-imap, nnir-run-find-grep): Use it.
(nnir-get-active): Remove.
(nnir-make-specs): Make obsolete.
* lisp/gnus/nnselect.el (nnselect-group-server): Make obsolete in
favor of 'gnus-group-server.
Tweak how `M-RET' in Message mode fills paragraphs
* lisp/gnus/message.el (message-newline-and-reformat): Pick up any
longer white-space prefix before starting to fill (bug#43299).
This fixes the problem of hitting M-RET on a line that's just ">".