reordered crossreferenced entries, some fixes
some fixes
newly rendered pdfs: pdfs/main_2013-06-24_23-41.pdf pdfs/diff_2013-06-24_23-41.pdf
changes part 1
newly rendered pdfs: pdfs/main_2013-06-25_00-31.pdf pdfs/diff_2013-06-25_00-31.pdf