lib/bs4/element.py

191               previous_sibling=None, next_sibling=None):  argument
206             self.next_sibling.previous_sibling = self
208         if (not previous_sibling
210             previous_sibling = self.parent.contents[-1]
212         self.previous_sibling = previous_sibling
213         if previous_sibling:
214             self.previous_sibling.next_sibling = self
274         if (self.previous_sibling is not None
275             and self.previous_sibling is not self.next_sibling):
276             self.previous_sibling.next_sibling = self.next_sibling
278             and self.next_sibling is not self.previous_sibling):
279             self.next_sibling.previous_sibling = self.previous_sibling
280         self.previous_sibling = self.next_sibling = None
323             new_child.previous_sibling = None
327             new_child.previous_sibling = previous_child
328             new_child.previous_sibling.next_sibling = new_child
356                 new_child.next_sibling.previous_sibling = new_child
568         i = self.previous_sibling
571             i = i.previous_sibling