[Haskell-beginners] Which IDE use a professional Haskeller?

[harry]

Giacomo Tesio <giacomo <at> tesio.it> writes:

> There are a few features that I think are important for professional
development:
> - debugging support
> - project management (should I really learn cabal packaging?)
> - underline sintactic errors
> - code navigation
> - autocompletion (based on scope)
> - testing integration
> 
> Optional valuable features
> - syntax highlight
> - section folds

I think EclipseFP gives you this. (I can't remember if it supports section
folds, Haskell is sufficiently terse that I've never needed it :-)