class Sass::Tree::Visitors::CheckNesting

def transparent_parent?(parent, grandparent)

Whether `parent` should be assigned to `@parent`.
def transparent_parent?(parent, grandparent)
  is_any_of?(parent, SCRIPT_NODES) ||
    (parent.bubbles? &&
     !grandparent.is_a?(Sass::Tree::RootNode) &&
     !grandparent.is_a?(Sass::Tree::AtRootNode))
end