* lisp/net/network-stream.el
(network-stream-use-client-certificates): New user option.
(open-network-stream): If 'network-stream-use-client-certificates'
is t, and the user hasn't specified :client-certificate, do
certificate lookups via 'auth-source'.
(network-stream-certificate): Only return key and certificate
files that exist.
* doc/lispref/processes.texi (Network): Document new
client-certificate behavior.
* etc/NEWS: Document 'network-stream-use-client-certificates'.
* etc/NEWS: Mention this.
* doc/lispref/errors.texi (Standard Errors):
Document overflow-error, which was formerly undocumented.
It is a range error, not a domain error.
* src/data.c (syms_of_data): overflow-error and (undocumented)
underflow-error are subtypes range-error, not domain-error.
This fixes bugs in timezone-time-from-absolute and in
erc-ctcp-reply-PING.
Eglot, a third-party package which uses Flymake, has its own
diagnostic types such as 'eglot-error', 'eglot-warning', etc... While
not being too long, they will not fit in the type column of the "list
all diagnostics" buffer. This commit allows diagnostic types to have
user-defined names and also assigns names to the default categories.
* doc/misc/flymake.texi (Flymake error types): Describe
flymake-type-name prop.
* lisp/progmodes/flymake.el (flymake--diagnostics-buffer-entries):
Use type names.
(flymake-error, flymake-warning, flymake-note): Give these
diagnostic categories default type names.
* lisp/faces.el (set-face-font):
* doc/emacs/frames.texi (Fonts):
* doc/lispref/display.texi (Face Attributes)
(Attribute Functions): Clarify and correct the documentation
of set-face-font and related descriptions of font
specifications. (Bug#14647)
These seem to cause more confusion than they cure; e.g.,
https://shop.fsf.org/books/gnu-emacs-manual-18th-edition-v-261
currently advertises "18th edition" even as it points to
https://www.gnu.org/software/emacs/manual/pdf/emacs.pdf
which says "Seventeenth Edition". It is simpler and less
confusing to stick to one version number like "26.3". If we
need a separate edition number for each printed manual for
some reason (marketing?) we can put “@ifset printed-edition”
around anything specific to the printed editions.
(as opposed to online PDF copies).
* doc/emacs/emacs.texi (EDITION):
* doc/lispintro/emacs-lisp-intro.texi (edition-number, update-date):
* doc/lispref/elisp.texi (VERSION, DATE):
Remove, and remove uses.
* doc/lispref/os.texi (Time of Day, Time Zone Rules)
(Time Conversion, Time Parsing, Time Calculations):
Document functions that limit the range of time values
due to OS limits (Bug#37974).
'mouse-drag-region' leaves the region active around the dragged text,
so a straight undo did not revert the entire operation. To remedy
this, inhibit undo-in-region when the last command was
mouse-drag-region. (Method suggested by Stefan Monnier.)
* lisp/mouse.el (undo-drag-region): Set the undo-inhibit-region property.
* lisp/simple.el (undo): Inhibit undo-in-region if the last command
had the undo-inhibit-region property set.
* doc/lispref/symbols.texi (Standard Properties):
* doc/lispref/text.texi (Undo): Document undo-inhibit-region.
* etc/NEWS: Announce the property.
* doc/lispref/errors.texi (Standard Errors): Mention the new error.
* lisp/files.el (auto-mode-alist): Add a bunch of image suffixes
to the list (bug#37972) based on the output from "gm convert -list
format" (i.e., graphicsmagick).
* lisp/image-mode.el (image-mode): Rewrite to possibly notify the
user about image-use-external-converter.
(image-mode--setup-mode): Factor out into own function and don't
run under `condition-case' as there's nothing here that should
error.
* lisp/image.el (unknown-image-type): New error.
(image-type): Signal that error so that image-mode can offer
sensible feedback to the user.
* doc/emacs/dired.texi (Operating on Files): Document behavior change.
* lisp/dired-aux.el (dired-dwim-target-directories): New function.
(dired-dwim-target-directory, dired-dwim-target-defaults): Use it
to get the most recently used window instead of the next window (bug#35385).
* lisp/dired.el (dired-dwim-target): Doc fix.
* test/lisp/dired-tests.el: Remove unnecessary require and pacify
byte-compiler.
* lisp/emacs-lisp/edebug.el (edebug-eval-last-sexp): Make the zero
prefix work analogously to in eval-last-sexp (bug#28895).
(edebug-eval-print-last-sexp): Ditto.
* src/keyboard.c (help_echo_substitute_command_keys): New function.
(help_echo_echo, parse_menu_item): Use it.
(syms_of_keyboard): Define Qhelp_echo_inhibit_substitution.
* doc/lispref/text.texi (Special Properties), etc/NEWS: Document
the effect of 'help-echo-inhibit-substitution'.
* doc/lispref/edebug.texi (Breakpoints): Document this.
* lisp/emacs-lisp/edebug.el (edebug-disabled-breakpoint): New face
(bug#23472).
(edebug-enabled-breakpoint): Rename.
(edebug--overlay-breakpoints): Use the new face.
(edebug-toggle-disable-breakpoint): New command and keystroke.
* doc/misc/efaq.texi (Difference between Emacs and XEmacs): Update
section to reflect the current state of affairs. XEmacs is not
actively developed and is lacking many important features of Emacs.