ANNOUNCE: GHC version 6.10.1 - EditLine / terminal incompatibility?

Simon Marlow marlowsd at
Thu Nov 20 07:51:18 EST 2008

Duncan Coutts wrote:
> On Wed, 2008-11-19 at 20:45 +0100, Philip Hölzenspies wrote:
>> On Nov 19, 2008, at 6:25 PM, Simon Peyton-Jones wrote:
>>> Would it be worth adding this hard-won lore somewhere on a Wiki  
>>> where it can be found later?
>> Dear Simon, all,
>> I don't think logging a specific option on the Wiki is particularly  
>> useful (maybe you would have a default editrc file), because, of  
>> course, everybody has their own particular wishes.
> I don't have any particular wishes. I just want it to "work" where
> "work" means does what the rest of my system does. I never configured
> readline, it came with sensible defaults (possibly set by my linux
> system distributor).
> What I really think is that we should add back optional readline
> support. People building closed source ghc binaries would not use it but
> linux distros could enable it and provide a better "out of the box"
> experience. As I understand it there would be no licencing problems with
> that approach.

One downside I can see is that it gives us an extra configuration to test 
and maintain.  It's hard enough keeping one line-editing binding working, 
let alone two!

It's true that editline seems to have brought a bunch of headaches with it, 
though.  Perhaps Haskelline is the way to go in the future.


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