New submission from Roman Inflianskas:

It's really useful that python 3 allows me to use some Unicode symbols (as 
specified in 
https://docs.python.org/3.4/reference/lexical_analysis.html#identifiers), 
especially Greek symbols for mathematical programs. But when I write 
mathematical program with lots of indices I would like to use symbols from 
block "Superscripts and Subscripts" (as id_continue), for example: 

⁴₂₍₎

I don't see any problems with allowing yet another subset of Unicode symbols. 
In Julia, for example, I can use them without problems.

----------
components: Unicode
messages: 217681
nosy: ezio.melotti, haypo, rominf
priority: normal
severity: normal
status: open
title: Allow using symbols from Unicode block "Superscripts and Subscripts" in 
identifiers
versions: Python 3.1, Python 3.2, Python 3.3, Python 3.4, Python 3.5

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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue21405>
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