Merge from origin/emacs-26

Merge from origin/emacs-26

73babba (origin/emacs-26) Clarify documentation of fractional vertica...
b20c51d * lisp/isearch.el (isearch-cmds): Recall absent isearch--stat...
700acbd doc/lispref/edebug.texi (Specification List) Remove obstrusiv...
1902450 Fix wording in module API documentation
e724a8f Fix redisplay of glyphless characters
8fc892d Update --without-toolkit-scroll-bars doc
80e0bfa Call GTK functions only on GTK scrollbars
91c4c46 Update the description of startup in ELisp manual
18b42c6 Use the 'line-number' face for line-number fields past EOB
a6ab8db Ensure NS frame is redrawn correctly  after scroll

Conflicts:
	lisp/isearch.el