wp-includes/revision.php:795Determines whether revisions are enabled for a given post.
$postWP_Postboolfunction wp_revisions_enabled( $post ) { return wp_revisions_to_keep( $post ) !== 0;}Introduced in 3.6.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/revision.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.