[luatex] parshape

[Patrick Gundlach]

Hello,

(4.13.13.2 tex.linebreak())

in tex.linebreak() I can give "parameters". How is the parshape table suppose 
to look like? Is it a table of 

{ n, <glue_spec>,<glue_spec>, .. 2n <glue_spec> items}
?

Or what do I need to fill in?


Thanks

Patrick