Merge from origin/emacs-27

Merge from origin/emacs-27

be0d1cac83 (origin/emacs-27) Small fix for type of 'display-fill-colu...
c5e5839776 Fix customization of 'display-fill-column-indicator-charac...
d5c184aa3e Refer to fill column indicator Info node in some places.
e13300ae50 Merge branch 'emacs-27' of git.sv.gnu.org:/srv/git/emacs i...
0bae57033f Fix GTK's Tool Bar menu radio buttons
4c98aa7ea5 Minor clarifications in NEWS
a1cbd05f38 Improve documentation of 'with-suppressed-warnings'.
4a895c1b26 Fix a typo in a comment
2caf3e997e Improve documentation of Hi Lock mode
7081c1d66f Fix typos in the Emacs user manual
0385771e2f Fix references to Speedbar in VHDL mode
a76cafea0d Fix handling of FROM = t and TO = t by 'window-text-pixel-...

# Conflicts:
#	etc/NEWS
#	src/xdisp.c