Add NEWS entry about bug #1076985.
diff --git a/Misc/NEWS b/Misc/NEWS
index ad0518b..dd34055 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -60,6 +60,10 @@
 - heapq.nsmallest() and heapq.nlargest() now support key= arguments with
   the same meaning as in list.sort().
 
+- Bug #1076985: ``codecs.StreamReader.readline()`` now calls ``read()`` only
+  once when a size argument is given. This prevents a buffer overflow in the
+  tokenizer with very long source lines.
+
 
 Build
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