Restore compatibility with GHC 7.4 and older
- Add
hSupportsANSI
- Drop support for
base < 4
Fix to build with GHC 7.8 on Windows
BoldIntensity
no longer changes background color on WindowssetSGR []
was not equivalent tosetSGR [Reset]
on Windows, even though it should be according to the documentation. This is now fixed.