slice valarrays with std::string -> segfault

[Paolo Carlini]

Gabriel Dos Reis wrote:
> | Enjoy old Europe! ;)
>
> Yeah, I'm missing EU a bit.  It is a bit confusing here with all these
> global warming one day, global freezing another day.  But I'm enjoying
> the 20°C today :-)
>   
Ah, ok, before didn't get your joke...

Anyway, lately in Italy the whether is not very good (don't know in 
France), but today Rome shined under the sun, almost Christmas mood, 
braids already decorating some roads...

Paolo.