[Emacs-diffs] master 07d1516: ; * etc/NEWS: Describe how to disable double-buffering. (Bug#25474)

[Eli Zaretskii]

branch: master
commit 07d15164271270d09464863d7ec2bfce62d65085
Author: Eli Zaretskii <address@hidden>
Commit: Eli Zaretskii <address@hidden>

    ; * etc/NEWS: Describe how to disable double-buffering.  (Bug#25474)
---
 etc/NEWS |   11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/etc/NEWS b/etc/NEWS
index 051b97e..95d03a3 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -116,7 +116,16 @@ dired buffer.
 ** Emacs now uses double buffering to reduce flicker when editing and
 resizing graphical Emacs frames on the X Window System.  This support
 requires the DOUBLE-BUFFER extension, which major X servers have
-supported for many years.
+supported for many years.  If your system has this extension, but an
+Emacs built with double buffering misbehaves on some displays you use,
+you can disable the feature by adding
+
+  '(inhibit-double-buffering . t)
+
+to default-frame-parameters.  Or inject this parameter into the
+selected frame by evaluating this form:
+
+  (modify-frame-parameters nil '((inhibit-double-buffering . t)))
 
 ---
 The group 'wp', whose label was "text", is now deprecated.