1 files changed, 7 insertions, 1 deletions

diff --git a/etc/NEWS b/etc/NEWS
index 43af2c90549..e966270f4bb 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -3271,7 +3271,13 @@ and modify elements on this property list.
 The new low-level functions process-plist and set-process-plist are
 used to access and replace the entire property list of a process.
 
-???
+*** Function accept-process-output now has an optional fourth arg
+`just-this-one'.  If non-nil, only output from the specified process
+is handled, suspending output from other processes.  If value is an
+integer, also inhibit running timers.  This feature is generally not
+recommended, but may be necessary for specific applications, such as
+speech synthesis.
+
 *** Adaptive read buffering of subprocess output.
 
 On some systems, when emacs reads the output from a subprocess, the