How to correctly deal with unicode strings?

[monarch_dodra]

On Wednesday, 27 November 2013 at 14:48:07 UTC, David Nadlinger 
wrote:
> On Wednesday, 27 November 2013 at 14:34:15 UTC, Gary Willoughby 
> wrote:
>> Here i understand what is happening but how could i improve 
>> this example to make the expected asserts true?
>
> In this specific example you could e.g. use std.uni.normalize, 
> which by default puts the string into NFC, which has all the 
> canonical compositions applied (e.g. ë as a single character).
>
> David

I'll stress your "in this specific example", as that will not 
work if there is no way to represent the "character" as a single 
codepoint.