fill-forward-paragraph-function is a variable defined in `fill.el'.
Its value is
forward-paragraph
This variable may be risky if used as a file-local variable.
Documentation:
Function to move over paragraphs used by the filling code.
It is called with a single argument specifying the number of paragraphs to move.
Just like `forward-paragraph', it should return the number of paragraphs
left to move.