docs: function stripBlockBr( element ) {
  		var br;
  
  		if ( element.previous && !isBrOrBlock( element.previous ) ) {
  			br = createBr();
  			br.insertBefore( element );
  		}
  
  		if ( element.next && !isBrOrBlock( element.next ) ) {
  			br = createBr();
  			br.insertAfter( element );
  		}
  
  		element.replaceWithChildren();
  	}