Additionally update the version detection back to 10.5 and forward to 14.
Fill some parts with code from TenFourFox when changes are not obvious.
Using gcc 7 from MacPorts, the gcc 4.8 TenFourFox used is too old.
Don't use GNU as on MacPPC it is too old.
Fix struct/class sizes by limiting bool size.
Since these are just interpreted comments, there's 0 impact on actual code.
This removes all lines that match /* vim: set(.*)tw=80: */ with S&R -- there are
a few others scattered around which will be removed manually in a second part.
Brian Smith
Moonchild
Matt A. Tobin