0.68.2

• Support GHC 8.2.1

• Make hsc_alignment macro work in clang (D3346)

• Track column numbers to improve GHC's caret diagnostic display (#13388)

0.68.1

• Fix type signature of generated main test function to avoid C compiler warnings about unused argc/argv function parameters during feature testing.

• Double-escape paths used to build call to hsc_line (#12504)