Apple changed the spelling of its operating system again, to "macOS",
effective with macOS 10.12 Sierra (2016-09-20). Change Emacs
documentation and comments to match this. Stick with older OS
spellings ("OS X", "Mac OS X") when talking about older releases where
the older names are more correct.
c4ade11 textmodes/ispell.el: Look for aspell .dat files also under dict-dir
e28ec9a ispell.el: Extend to aspell current hunspell handling of aliases
Conflicts:
lisp/ChangeLog