Revisions of fmtlib-6.1.2 4

sweetyfish's avatar sweetyfish accepted request 1174 (revision 4)
revert
sweetyfish's avatar sweetyfish committed (revision 3)
nocheck
sweetyfish's avatar sweetyfish committed (revision 2)
any
sweetyfish's avatar sweetyfish committed (revision 1)
fmtlib 6.1.2