* lisp/help-mode.el (help-setup-xref): Update docstring (bug#80276).

* etc/NEWS: Add description for the earlier change in help-setup-xref.

* lisp/tutorial.el (tutorial--describe-nonstandard-key)
(tutorial--detailed-help): Use 'with-help-window', call it after.

* lisp/cedet/semantic/util.el (semantic-describe-buffer): Same.

* lisp/cedet/semantic/decorate/include.el
(semantic-decoration-include-describe)
(semantic-decoration-unknown-include-describe)
(semantic-decoration-fileless-include-describe)
(semantic-decoration-unparsed-include-describe)
(semantic-decoration-all-include-summary): Same.

* lisp/tutorial.el (tutorial--default-keys):
Don't sort quoted list in-place.  Sort at compile time, not load time.
Uniform key representation (vectors) so that the default comparison can
be used.  Eliminate unnecessary backquote.
(tutorial--sort-keys): Remove.

Run "TZ=UTC0 admin/update-copyright".

* lisp/tutorial.el (tutorial--point-after-chkeys): Make it
permanent-local.  (Bug#74636)

* lisp/tutorial.el (tutorial--lang)
(tutorial--point-before-chkeys): Add both variables as
permanent-local, so that saving the tutorial to some file
doesn't kill these buffer-local variables.  Otherwise, trying to
exit Emacs after saving the tutorial will signal an error,
because 'tutorial--lang' is nil.  (Bug#74364)

* lisp/tutorial.el (tutorial--starting-point): Make it
permanent-local, so that saving the tutorial to some file doesn't
kill this buffer-local variable.  Otherwise, trying to exit Emacs
after saving the tutorial will signal an error, because
'tutorial--starting-point' is void.  (Bug#37326)