[Haskell-i18n] unicode notation \uhhhh implementation

Simon Marlow simonmar@microsoft.com
Fri, 16 Aug 2002 10:05:20 +0100

>     \u1234 -> u1234 * 5
>     "Hey\    \u1234!"
>     "C:\\udef2\\"
> This is either ambiguous or error-prone.

I agree, and the lexical syntax in the report doesn't give any clue as
to how the escape sequences are to be interpreted (indeed, it looks like
the \uhhhh sequences were an afterthought, which wasn't followed through
into the formal syntax).