K 10
svn:author
V 3
imp
K 8
svn:date
V 27
2019-12-16T21:34:57.906702Z
K 7
svn:log
V 216
Add slot number ivar to return which slot number the child is attached to.

This will always be 0 for pccbb, but may be non-zero for other kinds of bridges,
should they show up in the tree. Make querying it generic.

END