* 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.
This resolves an issue where navigating back and then forward kept
adding new history entries so you could never hit the "end" (bug#69232).
* lisp/net/eww.el (eww-before-browse-history-function): New option.
(eww-history-position): Add docstring.
(eww-mode-map, eww-context-menu): Use correct predicates for when to
enable back/forward.
(eww-save-history): Save history entry in its original place when
viewing a historical page.
(eww--before-browse): New function...
(eww, eww-follow-link, eww-readable): ... call it.
(eww-render): Don't set 'eww-history-position' here...
(eww--before-browse): ... instead, set it here.
(eww-back-url): Set 'eww-history-position' based on the result of
'eww-save-history'.
(eww-forward-url): Set 'eww-history-position' directly, since
'eww-save-history' no longer adds a new entry in this case.
(eww-delete-future-history, eww-clone-previous-history): New functions.
* test/lisp/net/eww-tests.el: New file.
* etc/NEWS: Announce this change.
