Fix utf-8-sig incremental decoder, which didn't recognise a BOM when the
first chunk fed to the decoder started with a BOM, but was longer than 3 bytes.
diff --git a/Misc/NEWS b/Misc/NEWS
index 4370030..db0c8dc 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -591,6 +591,8 @@
- idle: Honor the "Cancel" action in the save dialog (Debian bug #299092).
+- Fix utf-8-sig incremental decoder, which didn't recognise a BOM when the
+ first chunk fed to the decoder started with a BOM, but was longer than 3 bytes.
Extension Modules
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