https://github.com/leafo/scssphp/issues/644: when propagating selfparent to a child block, update its selectors with the current block one
https://github.com/leafo/scssphp/issues/644: when propagating selfparent to a child block, update its selectors with the current block one

leafo/scssphp,leafo/scssphp,leafo/scssphp