Merge branch 'nd/maint-fix-add-typo-detection'

* nd/maint-fix-add-typo-detection:
Revert "excluded_1(): support exclude files in index"
unpack-trees: fix sparse checkout's "unable to match directories"
unpack-trees: move all skip-worktree checks back to unpack_trees()
dir.c: add free_excludes()
cache.h: realign and use (1 << x) form for CE_* constants

diff --cc Documentation/git-read-tree.txt
Simple merge

diff --cc cache.h
Simple merge

diff --cc dir.c
Simple merge

diff --cc dir.h
Simple merge

diff --cc t/t1011-read-tree-sparse-checkout.sh
Simple merge

diff --cc unpack-trees.c
Simple merge