* lisp/emacs-lisp/package.el (package-menu-mode): Allow sorting by
version or description.
(package-menu--version-predicate): Fix sorting by version.
(package-menu--description-predicate): Fix sorting by description.
(package-menu--archive-predicate): Fall back to sorting by name if
archive is the same.
(package-menu--name-predicate, package-menu--status-predicate): Add
doc string.
* etc/NEWS: Announce the above changes.
* lisp/emacs-lisp/text-property-search.el (text-property-search-forward)
(text-property-search-backward): Further improvements of doc
strings. (Bug#37488)
* lisp/startup.el (fancy-about-text, normal-about-screen): Clarify
that "Contribute" also describes how to report bugs. Add new link
"Emacs Manual". (Bug#20697)
* lisp/cus-edit.el (custom-comment-show): Add docstring. Save the
widget value in the :shown-value property, before redrawing.
(custom-variable-modified-p): New function, to complement the return
values of custom-variable-state.
(custom-variable-state-set): Use it.
(custom-face-value-create): Add children to the custom-face widget
before setting the state, to be able to check for user edits.
(custom-face-state-set): Check for user edits before calling
custom-face-state (bug#5358).
* test/lisp/custom-tests.el
(custom-test-show-comment-preserves-changes): New test.
* lisp/gnus/nntp.el (nntp-close-server):
* lisp/gnus/nnimap.el (nnimap-close-server):
* lisp/gnus/gnus-int.el (gnus-close-server): Take an optional DEFS
parameter to enable switching to the correct nnoo server (bug#20319)
when there's two servers with the same address.
* lisp/gnus/mm-decode.el (mm-possibly-verify-or-decrypt): Only do
the warning about failed decryption when we're handing encrypted
parts, not when doing verification.
* lisp/emacs-lisp/tabulated-list.el (tabulated-list-clear-all-tags):
New function to clear all tags from padding area in current buffer.
* doc/lispref/modes.texi (Tabulated List Mode): Document it.
* etc/NEWS: Announce it.
* lisp/wid-edit.el (widget 'other): Use \n instead of the %n escape in the
:format property of this widget. If %n is used at the end of the
format string, unrelated widgets get indented. (Bug#12533)
* test/wid-edit-tests.el (widget-test-indentation-after-%n)
(widget-test-indentation-after-newline)
(widget-test-newline-and-indent-same-widget): New tests.
* lisp/gnus/mm-decode.el (mm-possibly-verify-or-decrypt): When
dissecting the result, we need a header (bug#18393).
* lisp/gnus/mm-view.el (mm-view-pkcs7-verify): Insert the verified
string.
* lisp/gnus/smime.el (smime-verify-region): Return the verified
string.
* test/lisp/net/tramp-tests.el (tramp--test-ksh-p): New defun.
(tramp-test41-utf8, tramp-test41-utf8-with-stat)
(tramp-test41-utf8-with-perl, tramp-test41-utf8-with-ls):
Skip, when remote shell is ksh.
* lisp/emacs-lisp/rx.el:
* test/lisp/emacs-lisp/rx-tests.el:
* doc/lispref/searching.texi (Rx Constructs):
Rewrite rx for correctness, clarity, and performance. The new
implementation retains full compatibility and has more comprehensive
tests.
* lisp/emacs-lisp/re-builder.el (reb-rx-font-lock-keywords):
Adapt to changes in internal variables in rx.el.
* src/search.c (Fregexp_quote): Only allocate a new string if needed.
* doc/lispref/searching.texi (Regexp Functions):
* etc/NEWS (Incompatible Lisp Changes): Document.
* lisp/wid-edit.el (widget--should-indent-p): New function, to decide
whether to indent or not.
(widget-checklist-value-add-item, widget-radio-add-item)
(widget-editable-list-format-handler)
(widget-editable-list-entry-create)
(widget-group-value-create): Use it (bug#7851).