1 files changed, 3 insertions, 0 deletions

diff --git a/etc/NEWS b/etc/NEWS
index 40a1c194365..f745645d6fb 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -1367,6 +1367,9 @@ This means that the empty symbol can now be read back.  Also, #: by itself
 (when not immediately followed by a possible symbol character) stands for
 an empty uninterned symbol.
 
++++
+** New math functions `isnan', `copysign', `frexp', `ldexp'.
+
 ** Obsolete functions and variables
 
 *** buffer-substring-filters is obsolete.