This fixes bug #52157.
* lisp/progmodes/cc-engine.el (c-forward-decl-or-cast-1): If such a construct
is parsed, set the flag at-type-decl which is part of the function's return
value.
* lisp/repeat.el (repeat-check-key): New defcustom (bug#51390).
(repeat--command-property): New internal function.
(repeat-check-key): New function.
(repeat-post-hook): Use repeat--command-property and repeat-check-key.
* test/lisp/repeat-tests.el (repeat-tests-check-key): New test.
* doc/misc/modus-themes.org
(Enable and load, Font configurations for Org and others)
(Note on highlight-parentheses.el, Note on god-mode.el): Update links to
headings so that they no longer include the removed portions of text.
(Option for color-coding success state, Option for line highlighting)
(Option for line numbers, Option for parenthesis matching)
(Advanced customization, Per-theme customization settings)
(Case-by-case face specs using the themes' palette)
(Face specs at scale using the themes' palette)
(Remap face with local value, Cycle through arbitrary colors)
(Override colors, Override color saturation)
(Font configurations for Org and others, Configure bold and italic faces)
(Custom Org user faces, Update Org block delimiter fontification)
(Measure color contrast, Load theme depending on time of day)
(Backdrop for pdf-tools)
(A theme-agnostic hook for theme loading, Note on EWW and Elfeed fonts)
(Frequently Asked Questions): Remove parentheses from headings as they
can cause problems in the .texi version of the file.
* src/editfns.c (Ftranspose_regions): Remove an obsolete comment about
memmove, following up to commit 72af86bd8c of 8 Jul 2010 by Andreas
Schwab and commit 354f9f0fc6 of 23 Feb 2016 by Fredrik Bergroth,
both of which added calls to memmove.
* lisp/mh-e/mh-comp.el (mh-forwarded-letter-subject): Collapse
two-line From headers into a single line (SF#266). Based on a
suggestion from Lester Buck (many thanks!).
* lisp/net/tramp-sshfs.el (tramp-sshfs-file-name-handler-alist):
Use `tramp-handle-file-readable-p'.
* test/lisp/net/tramp-archive-tests.el
(tramp-archive-test02-file-name-dissect): Use `make-tramp-file-name'.
* src/xdisp.c (produce_stretch_glyph): Use the correct face for
non-ASCII characters. Support :relative-width display spec on
Lisp strings, not just on buffer text.
* src/w32inevt.c (do_mouse_event): Reset the 'mouse_moved' flag of
the selected frame. Without that, this flag might remain set on a
TTY frame that is not displayed.
* lisp/mouse.el (mouse-drag-track):
* lisp/mouse-drag.el (mouse-drag-drag): Set 'track-mouse' to some
value neither t nor nil.
* src/keyboard.c (make_lispy_position): If track_mouse is Qt,
report event on tool or tab bar (Bug#51794).
