[issue10384] SyntaxError should contain exact location of the invalid character in identifier

[Alexander Belopolsky]

New submission from Alexander Belopolsky <belopol...@users.sourceforge.net>:

Can you see the error in the following?

>>> inv​alid = 5
  File "<stdin>", line 1
    inv​alid = 5
             ^
SyntaxError: invalid character in identifier

The problem is that an invisible space character crept into the identifier:

>>> repr("inv​alid")
"'inv\\u200balid'"

With full unicode available in most OSes, the potential for errors like this 
(accidental or as a result of a practical joke) increases.  It would be much 
easier to spot the offending character if ^ marker pointed at the exact 
location rather than at the end of the identifier.


See also issue #10382.

----------
components: Interpreter Core
messages: 120936
nosy: belopolsky
priority: normal
severity: normal
stage: needs patch
status: open
title: SyntaxError should contain exact location of the invalid character in 
identifier
type: feature request
versions: Python 3.2

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