Why does GHC replace implicit tabs by spaces

[Simon Marlow]

> I am a bit surprised that GHC replaces 	"	Hallo"=20
> (I used a tab=20
> here - used not coded ('\t').)
> by					"        Hallo". (GHC=20
> replaced the=20
> tab by 8 spaces.)
> Is this a bug? Hugs keeps the tab.
> (See  the attached code, and output from Hugs and GHC. I am=20
> using ghc-5.04 and WinNT.)

Both Hugs & GHC are wrong.  Literal tabs aren't valid inside a string
literal according to Haskell 98; if you want a tab, use '\t'.

Cheers,
	Simon