Handle completely undecoded input in term (Bug#29918)
* lisp/term.el (term-emulate-terminal): Avoid errors if the whole
decoded string is eight-bit characters. Don't attempt to save the
string for next iteration in that case.
* test/lisp/term-tests.el (term-decode-partial)
(term-undecodable-input): New tests.
* src/macfont.m (macfont_supports_charset_and_languages_p)
(macfont_has_char): Don't pass integers outside the Unicode codespace to
CFCharacterSetIsLongCharacterMember. Do not merge to master.
* doc/lispref/internals.texi (Writing Emacs Primitives): Update some
of the sample code listings, fixing argument lists and parentheses.
Replace ... with @dots{}. Describe UNEVALLED special forms as
taking a single argument. (bug#36392)
Eli Zaretskii [Wed, 26 Jun 2019 15:02:26 +0000 (18:02 +0300)]
Clarify a subtle issue in the Internals chapter of lispref
* doc/lispref/internals.texi (Writing Emacs Primitives):
Clarify the issue with relocation of buffer or string text as
side effect of Lisp evaluation. (Bug#36392)
Noam Postavsky [Mon, 24 Jun 2019 01:27:43 +0000 (21:27 -0400)]
Fix sgml-mode handling of quotes within parens (Bug#36347)
* lisp/textmodes/sgml-mode.el (sgml-syntax-propertize): Use
syntax-ppss-table if set. This is only needed on the release branch,
on master the caller (syntax-propertize) already does this.
(sgml-mode): Set syntax-ppss-table to sgml-tag-syntax-table. This
correctly classifies parens as punctuation, so they won't confuse the
parser.
* test/lisp/textmodes/sgml-mode-tests.el (sgml-tests--quotes-syntax):
New test copied from master, with two cases added for this bug.
Robert Pluim [Wed, 19 Jun 2019 06:52:50 +0000 (08:52 +0200)]
Check that length of data returned by sysctl is non-zero
The length of the data returned by sysctl can be zero, which was not
checked for. This could cause crashes, e.g. when querying
non-existent processes. (Bug#36279)
* src/sysdep.c (list_system_processes) [DARWIN_OS || __FreeBSD__]:
(system_process_attributes) [__FreeBSD__]:
(system_process_attributes) [DARWIN_OS]:
* src/filelock.c (get_boot_time) [CTL_KERN && KERN_BOOTTIME]: Check
for zero length data returned by sysctl.
* test/lisp/progmodes/python-tests.el (python-virt-bin): New function.
(python-shell-calculate-exec-path-2)
(python-shell-calculate-exec-path-3)
(python-shell-calculate-exec-path-4)
(python-shell-with-environment-1, python-shell-with-environment-2):
Use it.
* test/lisp/net/tramp-tests.el (tramp-test42-auto-load):
Expect a failed result if remote file access is not enabled,
as it happens while doing the test on Windows.
Eli Zaretskii [Fri, 14 Jun 2019 06:40:40 +0000 (09:40 +0300)]
Remove failing test erroneously added in backport
* test/src/thread-tests.el (threads-test-bug33073): Remove
test which cannot work on the emacs-26 branch. Do not merge
to master. Reported by Juanma Barranquero <lekktu@gmail.com>.
Martin Rudalics [Wed, 12 Jun 2019 09:02:02 +0000 (11:02 +0200)]
Fix description of 'display-buffer-in-previous-window' again (Bug#36161)
* lisp/window.el (display-buffer-in-previous-window): Make
doc-string more explicit (Bug#36161).
* doc/lispref/windows.texi (Buffer Display Action Functions):
Make description of 'display-buffer-in-previous-window' more
explicit.
(Buffer Display Action Alists): Mention
'display-buffer-in-previous-window' in description of
'reusable-frames' entry.
Eli Zaretskii [Wed, 17 Oct 2018 15:19:47 +0000 (18:19 +0300)]
Avoid assertion violation when comparing with main-thread
* src/thread.c (unmark_main_thread): New function.
* src/lisp.h (unmark_main_thread): Prototype it.
* src/alloc.c (garbage_collect_1): Call it after sweeping.
(Bug#33073)
* test/src/thread-tests.el (threads-test-bug33073): New test.
Eli Zaretskii [Sat, 8 Jun 2019 15:48:33 +0000 (18:48 +0300)]
Minor copyedits in efaq-w32
* doc/misc/efaq-w32.texi (Grep, Recursive grep): More accurate
description of using 'findstr' as a poor-man's replacement for
'grep'. Reported by 范凯 <m_pupil@163.com>
Martin Rudalics [Mon, 3 Jun 2019 08:36:00 +0000 (10:36 +0200)]
Try to improve text on atomic windows in Elisp manual
* doc/lispref/windows.texi (Deleting Windows): Mention how
'delete-window' and 'delete-other-windows' handle atomic
windows. Minor rewrite.
(Quitting Windows): Mention how 'quit-restore-window' handles
atomic windows and that it tries to avoid raising an error.
(Atomic Windows): Tell how to dissolve atomic windows.
Noam Postavsky [Sat, 1 Jun 2019 16:40:11 +0000 (12:40 -0400)]
Don't recommend insert-before-markers in process filters
See <https://lists.gnu.org/r/emacs-devel/2019-05/msg00062.html> and
Bug#35334.
* doc/lispref/processes.texi (Filter Functions): Go back to using
plain insert in the example filter. Add note about updating window
point.
Noam Postavsky [Fri, 31 May 2019 12:24:56 +0000 (08:24 -0400)]
Allow macros autoloaded as functions during bytecomp (Bug#36022)
* lisp/emacs-lisp/bytecomp.el (byte-compile-callargs-warn): Don't pass
symbols which don't have a known definition to
byte-compile--function-signature, it fails to compile code which
previously compiled successfully (for example, gnus.el until
2019-06-01 "* lisp/gnus/gnus.el: Mark autoloaded macros as such" which
autoloads some macros as if they were functions).
`url-insert-file-contents` saves in buffer-file-coding-system
the coding-system used to decode the contents. Preserve this
as the contents is moved from buffer to string to buffer, and use
it when saving the contents to file, so as to try and better preserve
the original byte sequence.
(package--buffer-string, package--cs): New functions.
(package--check-signature): Encode `string` if a coding-system
was specified in buffer-file-coding-system.
(package--download-one-archive, package-install-from-archive):
Obey and preserve the buffer-file-coding-system if specified.
Noam Postavsky [Mon, 27 May 2019 23:05:56 +0000 (19:05 -0400)]
Use plain symbols for eieio type descriptors (Bug#29220)
Since Emacs 26, eieio objects use a class record (with circular
references) as the type descriptor of the object record. This causes
problems when reading back an object from a string, because the class
record is not `eq' to the canonical one (which means that read objects
don't satisfy the foo-p predicate).
* lisp/emacs-lisp/eieio.el (make-instance): As a (partial) fix, set
the record's type descriptor to a plain symbol for the type descriptor
when eieio-backward-compatibility is non-nil (the default).
* lisp/emacs-lisp/eieio-core.el (eieio--object-class): Call
eieio--class-object on the type tag when eieio-backward-compatibility
is non-nil.
(eieio-object-p): Use eieio--object-class instead of
eieio--object-class-tag.
* test/lisp/emacs-lisp/eieio-tests/eieio-test-persist.el
(eieio-test-persist-hash-and-vector)
(eieio-test-persist-interior-lists): Make into functions.
(eieio-persist-hash-and-vector-backward-compatibility)
(eieio-persist-hash-and-vector-no-backward-compatibility)
(eieio-test-persist-interior-lists-backward-compatibility)
(eieio-test-persist-interior-lists-no-backward-compatibility): New
tests which call them, eieio-backward-compatibility let-bound.
Paul Eggert [Thu, 30 May 2019 22:06:39 +0000 (15:06 -0700)]
Pacify GCC 9 -Wredundant-decls
* src/gmalloc.c (_fraghead) [!HYBRID_MALLOC]:
Make it static in this case, too. This avoids having both
‘extern struct list _fraghead[];’ and
‘static struct list _fraghead[BLOCKLOG];’, which
GCC 9 complains about.
Paul Eggert [Thu, 30 May 2019 22:06:39 +0000 (15:06 -0700)]
Suppress GCC 9 “no longer supported” messages
* m4/manywarnings.m4 (gl_MANYWARN_ALL_GCC): Remove -Wchkp.
This suppresses a boatload of warnings of the form
“gcc: warning: switch ‘-Wchkp’ is no longer supported”.
when using GCC 9. Do not merge to master.
Noam Postavsky [Wed, 22 May 2019 00:33:09 +0000 (20:33 -0400)]
Avoid infloop in read-multiple-choice (Bug#32257)
* lisp/emacs-lisp/rmc.el (read-multiple-choice): When `read-char'
signals an error "Non-character input-event", call `read-event' to
take the non-character event out of the queue. Don't merge to master,
we just use `read-event' directly there, rather than this solution
which relies a particular error message.
Mauro Aranda [Sat, 18 May 2019 20:35:04 +0000 (17:35 -0300)]
Remove redundants "See" before @xref or @pxref (Bug#35793)
* doc/lispref/control.texi (Control Structures):
* doc/lispref/modes.texi (Search-based Fontification):
* doc/misc/cc-mode.texi (Filling and Line Breaking Commands)
(Auto-newline Insertion, Other Special Indentations):
* doc/misc/dbus.texi (Errors and Events):
* doc/misc/dired-x.texi (Find File At Point):
* doc/misc/eudc.texi (Display of Query Results, Inline Query Expansion):
* doc/misc/gnus-faq.texi (FAQ 3-11):
* doc/misc/gnus.texi (Group Parameters, Posting Styles)
(Spam Package Introduction):
* doc/misc/org.texi (LaTeX fragments, Previewing LaTeX fragments):
* doc/misc/reftex.texi (Commands):
Remove redundant "See" before cross references.
* doc/lispref/functions.texi (Function Safety): Redundant "see" is in
ignored text, but remove it anyway.
* doc/lispref/positions.texi (Skipping Characters): Remove redundant
"See" before cross references. Change @xref to @pxref, which is
more suitable when at the end of a sentence.
Most of the redundants "See" found by Noam Postavsky.
Change the customization type of recentf-max-saved-items to include
nil, as it is an allowed value (Bug#35771).
* lisp/recentf.el (recentf-max-saved-items): Change the customization
type in the defcustom.
Noam Postavsky [Thu, 16 May 2019 00:29:38 +0000 (20:29 -0400)]
Add option to disable help completion autoloading (Bug#28607)
* lisp/help-fns.el (help-enable-completion-auto-load): New option.
(help--symbol-completion-table): Consult it.
* doc/emacs/building.texi (Lisp Libraries): Document it.
* etc/NEWS: Announce it.
* doc/lispref/loading.texi (Autoload by Prefix): New section.
(Autoload): Reference it.
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