Issue #14629: Raise SyntaxError in tokenizer.detect_encoding

if the first two lines have non-UTF-8 characters without an encoding declaration.

1 files changed, 3 insertions, 0 deletions

diff --git a/Misc/NEWS b/Misc/NEWS
index 47d7b10..addae1b 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -47,6 +47,9 @@ Core and Builtins
 Library
 -------
 
+- Issue #14629: Raise SyntaxError in tokenizer.detect_encoding if the
+  first two lines have non-UTF-8 characters without an encoding declaration.
+
 - Issue #14308: Fix an exception when a "dummy" thread is in the threading
   module's active list after a fork().