Document changes in JIT stealth lock parameters.

diff --git a/etc/NEWS b/etc/NEWS
index 7d19f3ea9a7382db19c6e160c5c56bc4c698ef47..db86c0f92e5d5d9db368ac072c6880c343ea6357 100644 (file)
--- 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.
 
 ---