Style engine: update docs for css_var #53710
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What?
The doc comments for css_var were topsy turvy.
The
css_var
property used to be this way, e.g., '--wp--preset--color--$slug' => 'color' , but then we swapped it around.Why?
To avoid confusion
Testing Instructions
Check the code or unit test: k/phpunit/style-engine/style-engine-test.php#L237
The doc should reflect the key/values