master updated (6348ca1 -> 6a60bd4)

[Lars Ingebrigtsen]

larsi pushed a change to branch master.

      from  6348ca1   Make pixel-fill-region handle space regions better
       new  8959b13   Fix update-glyphless-char-display variable setting
       new  6a60bd4   Add a new minor mode `glyphless-display-mode'


Summary of changes:
 doc/emacs/display.texi           |  6 ++++
 doc/lispref/display.texi         |  7 +++++
 etc/NEWS                         |  4 +++
 lisp/international/characters.el |  2 +-
 lisp/textmodes/glyphless-mode.el | 67 ++++++++++++++++++++++++++++++++++++++++
 5 files changed, 85 insertions(+), 1 deletion(-)
 create mode 100644 lisp/textmodes/glyphless-mode.el