Coding Style
============

Lines length should not exceed 80 characters, as per `PEP 8`_.


Encoding
--------

Every Python source file should be encoded as UTF-8.
As per `PEP 263`_, the first or the second line must be::

    # coding=utf-8


Data Sets
---------

For each data set, please provide a comment with reference to the source
and/or origin of the data.


Name Lists
----------

When you have long lists of names, please order them alphabetically. Keep the lines length as close as possible to 80 characters, without exceeding the limit.


.. _`pep 8`: https://python.org/dev/peps/pep-0008
.. _`pep 263`: https://python.org/dev/peps/pep-0263
