Apple's desktop operating system was formerly called "Mac OS X" and "OS X", but since 2016 it has been called "macOS" (starting with version 10.12).
Changing across all comments and documentation to use this current terminology, except in cases where the historical versions are explicitly referenced. No code changes are made; we should consider changing those in future PRs.
This is what the XDG Base Directory Specification suggests to use. We still
use ~/.scummvm as default path in case the directory exists.
This tackles an aspect of bug #6036 "POSIX: Use XDG dirs instead of HOME".
Right now, a few places in the frontend code still use printf and
consorts. We mark the affected files with a FIXME for now, and
add a dedicated exception for each. To be fixed!
Also tweak FORBIDDEN_SYMBOL_REPLACEMENT to hopefully really always
enforce a compiler error
* add a subclass of DefaultSaveFileManager for UNIX, POSIXSaveFileManager, which overloads checkPath
* switched SDL backend to use POSIXSaveFileManager if UNIX is #defined
svn-id: r34872
