Add imprint config to allowed varaiables about firegento-magesetup HOT 4 OPEN

Sounds like a good idea to me

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what does "you have to add permissions for all variables manually" mean?
I have a problem using the variables from the imprint in blocks.

{{config path='general/imprint/web'}}

The field is empty.
Where do I have to set which permission?
I have a M1 1.9.4.x (I tested different 1.9.4). The result is always the same.
I copy the content of src into the shop, clear cache, log out, log in, MageSetup -> Variables of imprint can not be output.
Is this a bug in 1.9.4.x? The installation is new and empty, only Firegento MageSetup

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$var = Mage::getModel('admin/variable');
$var->setData(['variable_name' => 'general/imprint/web', 'is_allowed' => 1]);
$var->save();

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Or if you want to do it manually:

System > Permissions > Variable > Create new

Name: general/imprint/web
Is Allowed: yes

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