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Description
Description of bug/issue:
I am using :has and :not identifiers in my CSS code, like this:
.header .nav-wrapper .nav ul li:has(a:not(.anchor-nav)) {display: block;}
This code is working great (in web browsers that support it) so as far as I know it's formed properly. However, when running it through the BuildBundlerMinifier, it's erroring out when it gets to this line, specifically when it gets to the colon before the ":not". Here are the errors I get:
