[issue27582] Mispositioned SyntaxError caret for unknown code points

[Chris Angelico]

Chris Angelico added the comment:

Attached is a combined patch that has the new private function for IsIdentifier, method 4's error handling change, and a bit of glue in the middle to make use of it. The result is a passing test suite (bar test_site which was already failing on my system) and a caret that points to the errant Unicode character, or the beginning of the identifier if it's a decode problem.

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Added file: http://bugs.python.org/file43819/combined.patch

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