csv-table directive: excluding columns

Hello. I've made a modification to the csv-table directive to use zeroes in
the :widths: option to trigger the exclusion of those columns, e.g. ...

.. csv-table::
    :file: file.csv
    :widths: 30, 35, 0, 0, 0, 0, 35

... would exclude columns 3 - 6 from being rendered. I'm not very familiar
with docutils. Is this something a patch would be desired for and are there
other modifications I should make for consistency across the table family
of directives?

Also, I'm not subscribed to the mailing list.

Thanks,
Chancy

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