clarified ML_Context.expression: it is a closed expression, not a let-declaration -- thus source positions are more accurate (amending d8849cfad60f, 162a4c2e97bc);
This is stack 1.9.1 -- the Haskell Tool Stack.
See also https://www.haskellstack.org and executables from
https://github.com/commercialhaskell/stack/releases as follows:
* x86_64-linux: stack-1.9.1-linux-x86_64-static.tar.gz
* x86_64-darwin: stack-1.9.1-osx-x86_64.tar.gz
* x86_64-windows: stack-1.9.1-windows-x86_64.tar.gz
Makarius
17-Oct-2018