On 26/10/2015 13:09, Ulrike Fischer wrote:
>> Are there any problems or downsides this would cause? 
> You naturally loose potential key names. And there is the danger
> that there is somewhere a package which relies on the current
> implementation. 

I assume you mean that some package might be relying on the spaces in
some way (so two keys differing only in a space in the name).