GHCi completion on windows?

[Simon Marlow]

Claus Reinke wrote:
> while undocumented (?), there seems to be a lot of code
> in GHCi regarding commandline completion. but in a
> default build, i don't get any benefit from that, as editline
> doesn't seem available for mingw (?).
> 
> is there a way to get this working on windows? i'm growing
> rather tired of typing VeryLongCamelCaseLanguageExtensions
> in GHCi sessions, and this would help!-)
> 
> if there really is no working editline for windows, is there a
> way of pluggin in Malcolm's System.Console.SimpleLineEditor (currently 
> in package readline), extended to handle completion?
> the completion code itself is in haskell, anyway, just that there's
> no editline/readline to call this code on windows, right?

Yes, exactly.  I believe at one stage there was a readline C library 
available for mingw, and we could build the Haskell readline library, but 
IIRC it was a bit flaky and only worked in some of the console environments 
(cmd, MSYS, cygwin, xterm).

Cheers,
	Simon