Document changes in JIT stealth lock parameters.

1 files changed, 6 insertions, 0 deletions

diff --git a/etc/NEWS b/etc/NEWS
index 7d19f3ea9a7..db86c0f92e5 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -120,6 +120,12 @@ versions which recognize Thai words.  Affected commands are
 
 ** fast-lock.el and lazy-lock.el are obsolete.  Use jit-lock.el instead.
 
+** The default settings for JIT stealth lock parameters are changed.
+The default value forthe user option jit-lock-stealth-time is now 16
+instead of 3, and the default value of jit-lock-stealth-nice is now
+0.5 instead of 0.125.  The new defaults should lower the CPU usage
+when Emacs is fontifying in the background.
+
 ** iso-acc.el is now obsolete.  Use one of the latin input methods instead.
 
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