Render a blank line separating nested <DL>'s

[jidanni]

I like how chrome and lynx tastefully render a blank line between the
AA.. and BB.. lines, instead of gluing them next to each other.

Good:

   AAAAAAAAAAAA

        BBBBBBBBBBBB
                CCCCCCCCCCCC

        DDDDDDDDDDDD
                EEEEEEEEEEEE

        FFFFFFFFFFFF
                GGGGGGGGGGGG

Bad:

   AAAAAAAAAAAA
        BBBBBBBBBBBB
                CCCCCCCCCCCC

        DDDDDDDDDDDD
                EEEEEEEEEEEE

        FFFFFFFFFFFF
                GGGGGGGGGGGG

Please uncompress the attached test file and test.
test.html.gz
(No, the user cannot just stuff an extra empty <P> between them. That wouldn't be valid HTML.)
w3m version w3m/0.5.3+git20230121