Issue #5864: Fix problem with empty code formatting for floats,
where a bogus trailing zero could be added.
diff --git a/Misc/NEWS b/Misc/NEWS
index bb4c134..01313f8 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -12,6 +12,9 @@
 Core and Builtins
 -----------------
 
+- Issue #5864: Fix empty format code formatting for floats so that it
+  never gives more than the requested number of significant digits.
+
 - Issue #5793: Rationalize isdigit / isalpha / tolower, etc. Includes
   new Py_ISDIGIT / Py_ISALPHA / Py_TOLOWER, etc. in pctypes.h.