position of MultiMeasureRestNumber and width of MMR

[Paul Scott]

With 2.1.21 (Debian unstable)

1. There now seems to be a minimum value for MultiMeasureRestNumber 
padding.  I used to be able (2.1.14) to set the number right on the top 
staff line with a padding value of zero.  Now I can't figure out how to 
do that or at least get the number closer to the staff.

2. Recently the minimum width (minimum-length property?) has gotten very 
small.  In the attached example the number takes more horizontal than 
the distance between the bar lines for the MMR.  This looks bad.  A MMR 
should be (very) loosely proportional to the amount of time it takes.  
Setting minimum-length does not seem to work.

Thanks,

Paul Scott