1 files changed, 5 insertions, 0 deletions
diff --git a/etc/NEWS b/etc/NEWS
index 0470d7a2997..368ce03b138 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -987,6 +987,11 @@ support for JSX, an XML-like syntax extension to ECMAScript.
 
 * Incompatible Lisp Changes in Emacs 25.1
 
+---
+** `setq' must now be called with an even number of arguments.  The
+earlier behavior of silently supplying a nil to the last variable when
+there was an odd number of arguments has been eliminated.
+
 ** `syntax-begin-function' is declared obsolete.
 Removed font-lock-beginning-of-syntax-function and the SYNTAX-BEGIN
 slot in font-lock-defaults.