Merge branch 'tc/last-modified-options-cleanup'

The "-z" and "--max-depth" documentation (and implementation of "-z") in the "git last-modified" command have been updated. * tc/last-modified-options-cleanup: last-modified: change default max-depth to 0 last-modified: document option '--max-depth' last-modified: document option '-z' last-modified: clarify in the docs the command takes a pathspec