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- Moves :mod:`korean.l10n.jinja2ext` to :mod:`korean.ext.jinja2`.
- Renames ``{% autoproofread %}`` to ``{% proofread %}``.
- Moves :func:`korean.l10n.patch_gettext` to
:func:`korean.ext.gettext.patch_gettext`.
- Adds a condition argument to enable behind autoproofread Jinja2 block.
- Fixes PEP8 errors without E301.