Running Haddock for socket-0.8.0.0...
Preprocessing library socket-0.8.0.0...
Warning: The documentation for the following packages are not installed. No
links will be generated to these packages: array-0.5.1.1, base-4.9.1.0,
bytestring-0.10.8.1, deepseq-1.4.2.0, ghc-prim-0.5.0.0, integer-gmp-1.0.0.1
src/System/Socket/Internal/AddressInfo.hsc:253:3: error:
parse error on input <E2><80><98>getAddressInfo<E2><80><99>