[issue40246] Different error messages for same error - invalid string prefixes

[Lysandros Nikolaou]

Lysandros Nikolaou <lisandrosnik at gmail.com> added the comment:

I have working code that checks if there is a quotation mark right after an identifier. Here is an example:

╰─ ./python
Python 3.9.0a5+ (heads/pegen-dirty:502dfb719e, Apr 11 2020, 14:43:12) 
[GCC 9.2.1 20191008] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> ur''
  File "<stdin>", line 1
    ur''
     ^
SyntaxError: invalid string prefix

One observation about this is that it has precedence over an EOL error:

>>> ur'
  File "<stdin>", line 1
    ur'
     ^
SyntaxError: invalid string prefix

Would that be acceptable?

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<https://bugs.python.org/issue40246>
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