* lisp/help-fns.el (help-enable-variable-value-editing): New user
option.
(describe-variable): Tag values for editing.
(help-fns--editable-variable, help-fns-edit-variable): New
functions (bug#36826).
(help-fns--edit-value-mode-map, help-fns--edit-value-mode)
(help-fns-edit-mode-done): New mode and commands.
* lisp/help.el (describe-map-tree): Take an optional buffer parameter.
(describe-map): Ditto, and use it to run `lookup-key' in the
correct buffer. This fixes problems of filters being run in the
wrong buffer (bug#39149).
* src/keymap.c (Fdescribe_buffer_bindings): Pass in BUFFER to
describe-map-tree.
* src/w32.c (w32_reexec_emacs): New function, emulation of
'execvp' on Posix systems.
* src/w32.h (w32_reexec_emacs): Add prototype.
* src/emacs.c (main) [WINDOWSNT]: Save the original command line
and working directory.
(Fkill_emacs) [WINDOWSNT]: Call 'w32_reexec_emacs' instead of
'execvp'. (Bug#17036)
* rcirc.el (rcirc-reconnect-delay): Declare variable before it is
defined.
(rcirc-keepalive): Handle rcirc-closed-connection, respecting
rcirc-reconnect-delay.
(rcirc-closed-connection): Add new error type.
(rcirc-send-string): Throw rcirc-closed-connection instead of a
generic error.
* doc/lispref/buffers.texi (Buffer List): Add entries for
* buffer-match-p and match-buffers
* etc/NEWS: Give examples for buffer-match-p conditions
* lisp/window.el (display-buffer-assq-regexp): Mention what happens
when no entry in the alist satisfies a condition.
* lisp/url/url-http.el
(url-http-chunked-encoding-after-change-function): Ensure that chunked
encoding is interpreted correctly (bug#54989).
As per [0], the last chunk of 0 bytes is always accompanied by a last
CRLF that signals the end of the message:
chunked-body = *chunk
last-chunk
trailer-part
CRLF
^ this one
chunk = chunk-size [ chunk-ext ] CRLF
chunk-data CRLF
chunk-size = 1*HEXDIG
last-chunk = 1*("0") [ chunk-ext ] CRLF
chunk-data = 1*OCTET ; a sequence of chunk-size octets
`url-http-chunked-encoding-after-change-function' is able to process
(and remove) that terminator IF AVAILABLE in the buffer when
processing the response, however it won't wait for it if it's not yet
there.
In other words:
| Bottom of the response buffer | Bottom of the full response |
| (visible to url-http) | (to be delivered to Emacs) |
| ------------------------------+-----------------------------|
| 0\r\n | 0\r\n |
| | \r\n |
If the last chunk is processed when the bottom of the response buffer
is as above (note that the whole response has not yet been delivered
to Emacs), url-http will call the user callback without waiting for
the final terminator to be read from the socket.
This is normally not an issue when doing one-shot requests, but it's
problematic when the connection is reused immediately. As there are 2
bytes from the request N that have not been dealt with, they'll be
considered as part of the response of the request N+1. On top, it
turns out that when processing the headers of request N+1,
`url-http-wait-for-headers-change-function' will consider the request
a "headerless malformed response" delivering it broken to the caller.
The proposed fix implements a state in which
`url-http-chunked-encoding-after-change-function` properly waits for
the very last element of the message preventing the problem explained
above from happening.
For additional context, this bug was found when debugging
magit/ghub (see [1] for details).
[0] https://datatracker.ietf.org/doc/html/rfc7230#section-4.1
[1] https://github.com/magit/ghub/issues/81
Copyright-paperwork-exempt: yes
* src/haikufns.c (haiku_create_frame, haiku_create_tip_frame)
(haiku_set_menu_bar_lines): Clear `wait_for_event_type'.
* src/haikumenu.c (set_frame_menubar): Wait for menu bar resize
event.
* src/haikuterm.c (haiku_wait_for_event): New function.
(haiku_read_socket): Handle waiting for MENU_BAR_RESIZE.
* src/haikuterm.h (struct haiku_output): New field
`wait_for_event_type'.
* src/haiku_io.c (haiku_len): Handle new event `MENU_BAR_CLICK'.
* src/haiku_support.cc (class EmacsWindow): Remove most of the
menu bar cv stuff.
(MessageReceived): Handle REPLAY_MENU_BAR message.
(EmacsWindow_signal_menu_update_complete): Delete function.
(be_replay_menu_bar_event): New function.
* src/haiku_support.h (enum haiku_event_type): New event type
`MENU_BAR_CLICK'.
(struct haiku_menu_bar_click_event): New struct.
* src/haikumenu.c (haiku_activate_menubar): New function.
* src/haikuterm.c (haiku_read_socket): Save a
MENU_BAR_ACTIVATE_EVENT and the menu bar click event instead of
handling the menu bar update synchronously.
(haiku_create_terminal): Set `activate_menubar_hook'.
(syms_of_haikuterm): Remove extraneous newline.
* src/haikuterm.h (struct haiku_output): New field
`saved_menu_event'.
Fix a bug where if GC occurred at the wrong moment when locking a
file, the lock file’s name was trashed so file locking did not work.
This bug was introduced in Emacs 28.1. The bug sometimes caused
filelock-tests-detect-external-change test failures on Fedora 35
x86-64 in an en_US.utf8 locale.
* src/filelock.c (lock_file_1, current_lock_owner, lock_if_free)
(lock_file, unlock_file, Ffile_locked_p):
Use Lisp_Object, not char *, for string, so that GC doesn’t trash
string contents.
(make_lock_file_name): Return the encoded name, not the original.
All callers changed.
* lisp/eshell/esh-cmd.el (eshell-eval-argument): New function.
* lisp/eshell/esh-util.el (eshell-file-attributes): Pass original
value of FILE to 'file-attributes'.
* lisp/eshell/em-pred.el (eshell-predicate-alist): Change socket char
to '=', since 's' conflicts with setuid.
(eshell-modifier-alist): Fix 'E' (eval) modifier by using
'eshell-eval-argument'. Also improve performance of 'O' (reversed
sort) modifier.
(eshell-modifier-help-string): Fix documentation of global
substitution modifier.
(eshell-pred-substitute): Fix infinite loop in some global
substitutions.
(eshell-join-members): Fix joining with implicit " " delimiter.
(Bug#54470)
* test/lisp/eshell/em-pred-tests.el: New file.
* doc/misc/eshell.texi (Argument Predication): New section.
* lisp/eshell/em-glob.el (eshell-extended-glob): Fix docstring.
(eshell-glob-entries): Refer to '**/' in error (technically, '**' can
end a glob, but it means the same thing as '*'). (Bug#54470)
* test/lisp/eshell/em-glob-tests.el: New file.
* doc/misc/eshell.texi (Globbing): Document pattern-based globs.
* doc/lispref/os.texi (Time of Day, Time Conversion):
Move the warnings about DST being -1 to closer to where DST is
discussed, and reword and improve the discussions and warnings.
Be more precise about years before 1969 (possible west of UTC) vs the
Epoch. Mention some problems due to leap seconds, leap years,
daylight saving transitions, and time zone changes. Modernize
discussion of OS timestamp range. Prefer secular ‘BCE’ to religious
‘BC’. Omit discussion of decoded-time-add and make-decoded-time, as
they are in a library and are not always available; instead, mention
the library. Warn about common mistakes when doing simple date
arithmetic.
* src/timefns.c (Fencode_time): In doc string, mention date
arithmetic and tighten up the wording a bit.
* doc/lispref/os.texi (Time Conversion): Add a warning that blind
changing of code calling `encode-time' to use single list instead of
multiple values may cause deferred bugs since it is common to use nil
for ignored arguments such as DST in the old calling convention.
* src/timefns.c (encode-time): Mention the warning added to the elisp
reference in the docstring.
Refactoring related to `encode-time' caused (bug#54731), so it is better
to make apparent the difference between the recommended and the
obsolescent ways to call the function. More details concerning the
purpose and limitations of the DST field are added after discussion with
Paul Eggert in (bug#54764).
* lisp/textmodes/texinfo.el (texinfo-flymake, texinfo--flymake-proc)
(texinfo-mode):
Add the functions texinfo-flymake and process variable
texinfo--flymake-proc. Modify texinfo-mode to automatically add this
function to the hook flymake-diagnostic-functions.
b201823f63 Describe problems with invoking Python on MS-Windows
880f2734c9 A better fix for bug#54800
5ee959aa87 Add a comment about cl-concatenate
ab2b822b9b Revert "Make cl-concatenate an alias of seq-concatenate"
