Add optional support for display flymake error in margin,
this allow displaying error indicators in both graphical and
terminal frames.
* doc/misc/flymake.texi (Customizable variables)
(Flymake error types): Document new margin indicator.
* etc/NEWS: Announce the new Flymake user option for margin
indicators.
* lisp/progmodes/flymake.el (flymake-indicator-type)
(flymake-margin-indicators-string, flymake-autoresize-margins)
(flymake-margin-indicator-position): New user options.
(flymake--original-margin-width): Add buffer-local variable for
store original buffer margin width.
(flymake-error, flymake-warning, flymake-note): Use new margin
value.
(flymake--indicator-overlay-spec): Rework and Rename from
flymake--fringe-overlay-spec.
(flymake--resize-margins): Add new function for resize margin
width.
(flymake--highlight-line, flymake-mode): Rework.

* doc/misc/widget.texi (Widgets and the Buffer, Customization):
Document it.

* etc/NEWS: Announce it.

* lisp/wid-edit.el (widget-skip-inactive): New user option.
(widget-tabable-at): Use it.

* lisp/net/dbus.el (dbus-string-to-byte-array)
(dbus-byte-array-to-string):
* etc/NEWS:
* doc/misc/dbus.texi (Type Conversion): Fix documentation of these
two D-Bus functions.

* doc/misc/dbus.texi (Type Conversion): Adapt dbus-byte-array-to-string.

* etc/NEWS: D-Bus byte array conversion works over raw UTF-8 bytes.
Fix typos.

* lisp/net/dbus.el (dbus-string-to-byte-array)
(dbus-byte-array-to-string): BYTE-ARRAY must be an UTF-8 raw bytes
sequence.  Make optional argument MULTIBYTE obsolete.  (Bug#70301)
(dbus-call-method-handler, dbus-register-signal)
(dbus-escape-as-identifier): Use `length=' and `length>'.

* test/lisp/net/dbus-tests.el (dbus--test-method-handler)
(dbus-test09-get-managed-objects): Use `length='.
(dbus-test01-type-conversion): Extend test.

* test/lisp/net/secrets-tests.el (secrets-test03-items): Extend test.

* lisp/use-package/use-package-core.el (use-package-vc-prefer-newest):
User option to prefer the latest commit (as opposed to the latest
release) of a package.
(use-package-normalize--vc-arg): Check for
use-package-vc-prefer-newest.

* doc/misc/use-package.texi (Install package): Document
use-package-vc-prefer-newest.

* etc/NEWS: Document use-package-vc-prefer-newest.

Fail on files with no assertions, parser now accepts multiple
carets per line and face lists:
* lisp/emacs-lisp/ert-font-lock.el: Assertion parser fix.
* test/lisp/emacs-lisp/ert-font-lock-resources/no-asserts.js:
* test/lisp/emacs-lisp/ert-font-lock-tests.el
(test-parse-comments--no-assertion-error)
(test-syntax-highlight-inline--caret-negated-wrong-face)
(test-macro-test--file-no-asserts): New test cases.
* doc/misc/ert.texi (Syntax Highlighting Tests): More syntax examples.

* lisp/net/eww.el (eww-readable-urls): New option.
(eww-default-readable-p): New function...
(eww-display-html): ... use it.

* test/lisp/net/eww-tests.el (eww-test/readable/default-readable): New
test.

* doc/misc/eww.texi (Basics): Document 'eww-readable-urls'.

* etc/NEWS: Announce this change (bug#68254).

Additionally, add an option to prevent adding a new history entry for
each call of 'eww-readable' (bug#68254).

* lisp/net/eww.el (eww-retrieve):

* lisp/net/eww.el (eww-readable-adds-to-history): New option.
(eww-retrieve): Make sure we call CALLBACK in all configurations.
(eww-render): Simplify how to pass encoding.
(eww--parse-html-region, eww-display-document): New functions, extracted
from...
(eww-display-html): ... here.
(eww-document-base): New function.
(eww-readable): Toggle "readable" mode interactively, like with a minor
mode.  Consult 'eww-readable-adds-to-history'.
(eww-reload): Use 'eshell-display-document'.

* test/lisp/net/eww-tests.el (eww-test--with-mock-retrieve): Fix indent.
(eww-test/display/html, eww-test/readable/toggle-display): New tests.

* doc/misc/eww.texi (Basics): Describe the new behavior.

* etc/NEWS: Announce this change.