Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: HaTeX (user goal)
rejecting: HaTeX-3.16.2.0, 3.16.1.1, 3.16.1.0, 3.16.0.0, 3.15.0.0, 3.14.0.0,
3.13.1.0, 3.13.0.1, 3.13.0.0, 3.12.0.0, 3.11.0.1, 3.11.0.0, 3.10.0.0, 3.9.1.0,
3.9.0.0, 3.8.0.0, 3.7.0.0, 3.6.1.0, 3.6.0.1, 3.6, 3.5, 3.4, 3.3, 3.2.0.1
(global constraint requires ==3.2)
trying: HaTeX-3.2
trying: parsec-3.1.9 (dependency of HaTeX-3.2)
trying: mtl-2.2.1 (dependency of parsec-3.1.9)
next goal: transformers (dependency of HaTeX-3.2)
rejecting: transformers-0.4.2.0/installed-21d..., 0.4.3.0, 0.4.2.0, 0.4.1.0,
0.3.0.0 (conflict: HaTeX => transformers==0.2.*)
rejecting: transformers-0.2.2.1, 0.2.2.0, 0.2.1.0, 0.2.0.0 (conflict: mtl =>
transformers==0.4.*)
rejecting: transformers-0.1.4.0, 0.1.3.0, 0.1.1.0, 0.1.0.1, 0.1.0.0, 0.0.1.0,
0.0.0.0, 0.4.0.0 (conflict: HaTeX => transformers==0.2.*)
Dependency tree exhaustively searched.