Merge from origin/emacs-26

Merge from origin/emacs-26

a06a8ed (origin/emacs-26) ; * lisp/vc/vc-git.el (vc-git--program-vers...
edc06ad Make 'byte-compile-error-on-warn' a safe file variable
9f5d8da ; * lisp/textmodes/flyspell.el (flyspell-auto-correct-word): ...
f73905a Fix the doc string of flyspell-auto-correct-word
e9c7ddc Improve the MS-Windows appendix of the Emacs manual
6ddb4bd Fix 'vc-git--program-version'
63c93f7 Fix typos and wording in the Emacs manual
42f15b0 * doc/emacs/programs.texi (Semantic): Order programming langu...
b46be29 More improvements for the Emacs manual
874c0ed Minor wording change in Emacs manual
53511f9 Another set of changes for the manual
78426b8 Improvements on tramp.texi
0dca618 Tramp minor doc fixes

Conflicts:
	doc/misc/tramp.texi