Re: status of spanner IDs across voices?

[Werner LEMBERG]

>> I haven't followed Nathan's development of extensions to the `\='
>> command very closely, but it would be *really* great if spanner IDs
>> work across voices – especially for piano music the improvements
>> would be significant.
>>
>> Any progress?
> 
> Which spanner types?  Nathan was not working on slurs, for example.

Oh.  I got the expression that he was abstracting the interface to
make it work for all spanner types.  

And yes, I would need it especially for slurs.


    Werner