[erlang-questions] Downcase Accented characters

[Richard O'Keefe]

On 22/10/2012, at 10:44 PM, Marc Worrell wrote:

> When you need to do downcast a subset (most european languages) then you can also check the z_string.erl module in z_stdlib.
> 
> https://github.com/zotonic/z_stdlib/blob/master/src/z_string.erl
> 
> We are in the process of splitting useful libraries from Zotonic, and z_stdlib is one of them.
> Any additions/fixes are welcome.

Is there any reason why trim{,_left,_right}/1 don't strip
leading/trailing NBSP characters?  (Or other Unicode white
space characters above U+0020.)