* src/window.c (window_scroll_for_long_lines): New function.
(window_scroll): Call 'window_scroll_for_long_lines' when lines
are very long and truncated on display. Also, disable
'fontification-functions' during scrolling in that case.
* src/xdisp.c (redisplay_window): When recentering the window's
display, go back to the centering position using a simplified
method, if lines in the buffer are very long and truncated on
display.
* src/xterm.c (x_update_opaque_region, show_back_buffer)
(XTbuffer_flipping_unblocked_hook, x_clear_under_internal_border)
(x_after_update_window_line): Remove and add calls to
block_input as required.
* lisp/erc/erc.el (erc-format-message): Although not mentioned in its
log message, commit 5281946fbf "Make
format-spec accept function substitutions" also fixed a bug involving
the `ignore-missing' parameter of `format-spec'. Until now, ERC has
been relying on the old behavior to gracefully handle malformed server
messages. This commit tries to regain that functionality.
* lisp/view.el (view-remove-frame-by-deleting): Remove variable
that hasn't been used since 2011 -- 357f93d245 reworked the
code and stopped using it (bug#58413).
* lisp/progmodes/python.el (python-shell-send-string-no-output):
Save and restore `comint-last-prompt-overlay' or `comint-last-prompt'.
* test/lisp/progmodes/python-tests.el (python-tests-shell-wait-for-prompt):
New helper function.
(python-tests-with-temp-buffer-with-shell): New helper macro.
(python-shell-completion-1, python-shell-completion-native-1)
(python-shell-completion-native-with-ffap-1)
(python-shell-completion-native-with-eldoc-1): New tests (bug#58389).
* src/sqlite.c (sqlite_prepare_errmsg): New function.
(Fsqlite_execute): Use it to get the same error format for both
execute and select.
(Fsqlite_select): Factored out from here.
Without this patch, Ubuntu 22.04.1 x86-64 "make check" reports a
failure in test/src/emacs-tests.el’s
emacs-tests/bwrap/allows-stdout. One can reproduce the bug
without using the Emacs executable, by running this script:
#!/bin/bash
export LC_ALL=C
exec strace -f -o /tmp/tr bwrap --ro-bind / / --seccomp 20 -- \
cat /dev/null 20< lib-src/seccomp-filter-exec.bpf
This script exits with status 159, because "cat" didn’t get
started (it got a SIGSYS signal early on).
The command "journalctl -g SECCOMP" indicated that rseq (syscall
334) was the problem. This syscall is issued by
/lib64/ld-linux-x86-64.so.2 before ‘main’ is called.
There’s another problem with the clone3 syscall, which is used by
pthread_create starting in glibc 2.34. pthread_create is called
by g_child_watch_source_new, which is called by
init_process_emacs.
* lib-src/seccomp-filter.c (main): Allow rseq, clone3. This
causes the test to pass. Perhaps a fancier, more accurate patch
could be written by someone who has the time.
Discussed in Bug#51143.
* lisp/simple.el (execute-extended-command--shorter): Compute a
complete list of `commandp' symbols once. This significantly speeds
up complicated cases while the slowdown of simple cases is still
accetable.
* src/xfns.c (x_window): Avoid extraneous
XChangeWindowAttributes.
* src/xterm.c (x_display_set_last_user_time): New argument
SET_PROPERTY. Do not change the user time property if it is not
true. All callers changed.
(handle_one_xevent): Avoid setting the user time property on
LeaveNotify and XI_Leave events.
Binding it causes errors when some of the enclosed code ends up
loading a `.el` file, and it is unnecessary since the rest of
the code (in `url-file-asynch-callback`) is already careful to
use `insert-file-contents-literally`.
* src/fns.c (HAVE_FAST_UNALIGNED_ACCESS): New.
(Fstring_lessp): Only use word operations where safe, because string
data from purespace may be unaligned.
* lisp/emacs-lisp/package.el (package-untar-buffer): Fix thinko.
(package-tar-file-info): Handle the case where the first file is in
a subdirectory.
* test/lisp/emacs-lisp/package-tests.el (package-test-bug58367): New test.
* test/lisp/emacs-lisp/package-resources/ustar-withsub-0.1.tar:
* test/lisp/emacs-lisp/package-resources/v7-withsub-0.1.tar: New files.
* lisp/emacs-lisp/vtable.el (vtable-insert-object): Pass in the
correct ellipsis values (bug#58370).
(vtable--insert-line): Don't bug out on missing optional arguments.
* lisp/files.el (file-in-directory-p): Clarify doc string.
* doc/lispref/files.texi (Truenames): Move the documentation of
'file-in-directory-p' from here...
(Contents of Directories): ...to here. Add index entries.
(Bug#58364)
* src/xterm.c (xi_focus_handle_for_device, handle_one_xevent):
Set the last user time where required for focus to be handled
correctly.
(x_focus_frame): Do not perform actions prohibited by the ICCCM.
* lisp/language/misc-lang.el ("Coptic"): New language environment.
Add sample text and input method.
* lisp/international/fontset.el (script-representative-chars)
(setup-default-fontset): Support coptic.
* lisp/leim/quail/misc-lang.el ("coptic"): New input method.
* etc/HELLO: Add a Coptic greeting.
* etc/NEWS: Announce the new language environment.
