Haskell Platform Proposal: add the 'text' library

[Johan Tibell]

On Wed, Oct 20, 2010 at 5:59 PM, Ian Lynagh <igloo at earth.li> wrote:
> On Wed, Oct 20, 2010 at 05:28:15PM +0200, Johan Tibell wrote:
>>
>> If you process a string code point by code point you might mistakenly
>> confuse a plain "a" (A) with a "å" (A-RING *or* A + COMBINING RING).
>
> But isn't that what text does here?:
>
> Data.Text Data.Text.IO> let t = pack "z\x0061\x030A\x0061z"
> Data.Text Data.Text.IO> putStrLn t
> zåaz
> Data.Text Data.Text.IO> putStrLn (replace (pack "a") (pack "y") t)
> zẙyz

I think the right thing to do here is to perform normalization first
but I'm not sure. Some Unicode expert should chime in about what the
right semantics of 'replace' is.

Johan