update book with redirect fixes

Backport of #42660
This commit is contained in:
steveklabnik 2017-06-14 15:51:11 -04:00
parent 0cd6b0d1ae
commit cba129b6f8

@ -1 +1 @@
Subproject commit f746084b099060f55ac5e7d8050797593fcedd6e
Subproject commit 325c3da0814f44916bef00ff225f934f2d613203