[XeTeX] Unicode space characters

[Ulrike Fischer]

Am Wed, 18 Mar 2009 00:39:27 +0000 (UTC) schrieb Tomáš Janoušek:

> Hello Unicode TeXers,
> 
> I created a set of definitions for a few Unicode "space" characters and I
> think these may be interesting to the community, and could possibly make it to
> the distribution. I'd like to hear what you think about them and whether they
> are correct (as I am not experienced in typography, and I have no idea about
> non-Europian languages).


>> %% U+00A0 NO-BREAK SPACE;  
>> %%   Unicode char for ~.
>> \catcode`^^^^00a0=\active
>> \def^^^^00a0{\nobreakspace}


Are the definitions necessary? That means how does XeTex handle
normally e.g. U+00A0 NO-BREAK SPACE?  Can  there be a line break
before or after this input?


-- 
Ulrike Fischer