FOP implements the fo objects and properties listed
in
leader-length.minimum is not used at all
Only works for table of contents without any problems. The case where the page number doesn't fit on a line isn't handled, and any text on the same line and after the page-number might not appear exactly where you want it to.
Padding works in conjunction with indents and spaces. It is only implemented for blocks. At the moment padding can't be used to make extra space (indents+spaces must be used), but only to control how much the background-color extends beyond the content rectangle.
There two limitations for tables: 1) FOP needs you to explicitly specify column widths 2) Cells have to contain block-level FOs. They can't contain straight character data.
A working basic example of a table looks like this: