Originally Posted by kovidgoyal
Actually if you dont care about pretty printing it should be possible to even preserve whitespace.
Oh, I meant in the rendered markup, if there was something like:
And the markup-creator had chosen to style .book with a margin-top in order to create leading whitespace. Duplicating the /book/chapter structure in each file would cause each chapter to begin with the .book margin-top amount of margin.
But that seems like a fairly rare circumstance.