_code.sass: use :has selector for .highlight's parent div#893
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The current selectors `div[class*=" highlight-"]` and `div[class^=highlight-]` are slow on larger pages (such as generated docs) with many divs. Use the more modern `:has(...)` to speed it up. In one example it goes from 160'018 match attempts to just 280 match attempts, to apply to 66 elements in either case. The selector is not equivalent because it's not testing whether the parent has a `highlight-*` class, but I think we can always expect a combination `<div class="highlight-foo"><div class="highlight">...</div></div>`?
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The current selectors
div[class*=" highlight-"]anddiv[class^=highlight-]are slow on larger pages with generated API docs. Use the more modern:has(...)to speed it up.In one example it goes from 160'018 match attempts to just 280 match attempts, to ultimately apply to just 66 elements.
The selector is not exactly equivalent because it's not testing whether the parent has a
highlight-*class, but I think we can always expect a combination<div class="highlight-foo"><div class="highlight">...</div></div>when using Sphinx.