* lisp/subr.el (read-char-choice-use-read-key): Explain the
difference.
(read-char-choice): Mention the variables.
(y-or-n-p-use-read-key): Explain the difference.
(y-or-n-p): Mention the variable (bug#50390).
* doc/emacs/maintaining.texi (Looking Up Identifiers):
* etc/NEWS: Document the new Xref user options. Move a lost
Xref-related entry to the rest of them.
* lisp/progmodes/python.el (python-shell-send-string): use a temporary
file for sufficiently long strings.
(python-shell-send-file, python-shell-eval-file-setup-code): Avoid
showing "plumbing code" in the traceback (bug#32042).
* lisp/textmodes/ispell.el (ispell-init-process): When Ispell
initialization reports an error, call 'ispell-accept-output' only
if the Ispell process is still alive. (Bug#50370)
Copyright-paperwork-exempt: yes
* test/lisp/net/tramp-tests.el
(tramp--test--deftest-direct-async-process): Fix macro declaration.
(tramp-test29-start-file-process, tramp-test30-make-process):
Do not run connection type test for direct async processes.
* lisp/progmodes/xref.el (xref-auto-jump-to-first-definition)
(xref-auto-jump-to-first-xref): New user options.
Discussed in bug#50067.
(xref--show-xrefs, xref--show-defs): Use them here.
(xref--auto-jump-first): New function, handles different values.
(xref-show-definitions-buffer)
(xref-show-definitions-buffer-at-bottom): Use it.
* rcirc.el (rcirc-buffer-process): Use buffer-local-value
(rcirc-last-quit-line): Use buffer-local-value
(rcirc-bury-buffers): Use buffer-local-value
(rcirc-record-activity): Use buffer-local-value
* doc/emacs/display.texi (Line Truncation, Visual Line Mode):
* doc/lispref/display.texi (Truncation): Document that turning on
line truncation disables wrapping, and vice versa.
* src/buffer.c (syms_of_buffer) <truncate-lines>:
* src/xdisp.c (syms_of_xdisp) <truncate-partial-width-windows>:
Warn against turning on when 'visual-line-mode' is in effect.
* lisp/simple.el (visual-line-mode): Document that this mode
disables line truncation. (Bug#29664)
* lisp/help-mode.el (help-customization-group): New button.
(help-xref-customization-group-regexp): New const.
(help-make-xrefs): Use them to allow making customization group
buttons.
* lisp/hi-lock.el (hi-lock-mode): Tweak the doc string so that
running hi-lock-mode in a *Help* buffer showing this help text
won't issue an error (bug#20977).
* doc/emacs/calendar.texi: Document the change.
* lisp/calendar/diary-lib.el (diary-offset):
* test/lisp/calendar/icalendar-tests.el: Add a test (bug#50195).
* lisp/progmodes/python.el (python-shell-eval-setup-code): New
const for setting up eval (bug#49822).
(python-shell--encode-string): New function.
(python-shell-send-string): Use it to send commands directly
instead of writing to a temporary file.
(python-shell-send-string-no-output): Adjust sending.
(python-shell-send-file): Ditto.
* css-mode.el (css-property-alist, css-value-class-alist): Provide new
position related entries for use in css-property-alist. Make sure
that property-alist reflect the spec:
https://www.w3.org/TR/css-align-3/#property-index
* lisp/emacs-lisp/nadvice.el (advice--make-single-doc): Factor
out.
(advice--make-docstring): From here (bug#23523). Also include
advices for autoloads.
* lisp/emacs-lisp/timer.el (timerp, timer-event-handler): Make
backwards-compatible with old .elc files that have their own
versions of `timer-create'd structures.
* test/lisp/emacs-lisp/cl-lib-tests.el (cl-test-caaar)
(cl-test-caadr): Move tests using a cl-lib alias from here...
* test/lisp/subr-tests.el (subr-test-caaar, subr-test-caadr): ...to
here. The functions under test are in subr.el.
