need a newline between paragraphs....

[Giorgos Keramidas]

On Mon, 23 Nov 2009 17:39:35 -0800, Gary Kline <kline at thought.org> wrote:
> PS: is there any one-liner to add back one newline between paragraphs?

Not an accurate one.

You can *guess* when a line ends with a punctuation character
*and* it is shorter than some configurable wrapping column that
it is probably the end of a paragraph.  But this is only a
heuristic guess and a pretty silly heuristic at that.