When directives such hyperlink targets or even just comments appear into a definition list, pdf2newlatex generates double spacing between the items where the directive appears.
The file attached shows the issue. Render it with "rst2newlatex.py < excessive-par-space.txt > excessive-par-space.tex && pdflatex excessive-par-space.tex". There is more space between Def 2 and Def 3 than between the other pairs.
rst2latex.py renders the list uniformly.