[3.7] Fix typo in xml.dom.minidom documentation (GH-10956) (GH-10961)



Escape the \t and \n.
Follow up from https://github.com/python/cpython/pull/10814..
(cherry picked from commit 2d8f976cde4794d174b44ff7d5fd970aa89c65e8)

Co-authored-by: E Kawashima <e-kwsm@users.noreply.github.com>
1 file changed