It seems more like a parsing issue to me; the generated HTML is missing
a DD wrapper.
However, I'm not sure whether they should be supported; nesting DLs
doesn't really make sense semantically, does it?
> The only workaround I've found so far would be to always add an empty
> dd before creating a new child definition list
You might also try using a class wrapper:
;1 dt
:1{{multiline{
;1.1 dt
:1.1 dd
}}}
This technique is described on the community wiki:
http://www.tiddlywiki.org/wiki/Multi-Line_Contents
(currently down, so try Google's cache: http://tinyurl.com/6c9o5f /
http://66.102.9.132/search?hl=en&q=cache%3Ahttp%3A//www.tiddlywiki.org/wiki/Multi-Line_Contents)
-- F.