[luatex] Off topic: A quiz

[Hans Hagen]

On 12/12/2013 10:52 AM, Patrick Gundlach wrote:
>
>> à : C3 A0
>> á : C3 A1
>>
>> A0 == nbsp
>
> yes that's what I believe, too.
>
>>
>> when you make a more complex pattern it's okay so i think it's an optimization issue: "%s" take another route, so a bug in selene
>
> I am afraid it's broken by design. (I don't want to get back into the discussion).
>
> My intention is to "warn" the LuaTeX users about this pitfall. I was wondering why my software was unable to typeset à, but á (and all other tested characters) worked fine.

anyway, in your case you can probably best check for A0 explicitly as it 
needs another treatment than a regular space

Hans

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