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Bring up to date and link to add_config_value().
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@@ -12,10 +12,22 @@ This extension is quite simple, and features only one directive:
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Include content of the directive only if the Python expression given as an
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argument is ``True``, evaluated in the namespace of the project's
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configuration (that is, all variables from :file:`conf.py` are available).
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configuration (that is, all registered variables from :file:`conf.py` are
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available).
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For example, one could write ::
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.. ifconfig:: releaselevel in ('alpha', 'beta', 'rc')
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This stuff is only included in the built docs for unstable versions.
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To make a custom config value known to Sphinx, use
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:func:`~sphinx.application.Sphinx.add_config_value` in the setup function in
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:file:`conf.py`, e.g.::
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def setup(app):
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app.add_config_value('releaselevel', '', True)
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The second argument is the default value, the third should always be ``True``
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for such values (it selects if Sphinx re-reads the documents if the value
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changes).
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