master updated (8a8b81c1e4 -> 83e2e961b0)

[Po Lu]

oldosfan pushed a change to branch master.

      from  8a8b81c1e4 Make ediff-show-diff-output work better on unsaved 
buffers
       new  3eb82181fc Fix scroll optimizations being enabled for some rows 
with stipples
       new  83e2e961b0 Fix reading faces with a default value that is a symbol


Summary of changes:
 lisp/faces.el |  9 +++++++--
 src/dispnew.c | 32 +++++++++++++++++++++++++++++---
 src/xterm.c   |  5 ++++-
 3 files changed, 40 insertions(+), 6 deletions(-)