Pandoc previously behaved like Markdown.pl for consecutive
lists of different styles. Thus, the following would be parsed
as a single ordered list, rather than an ordered list followed
by an unordered list:
1. one
2. two
- one
- two
This patch makes pandoc behave more sensibly, parsing this as
two lists. Any change in list type (ordered/unordered) or in
list number style will trigger a new list. Thus, the following
will also be parsed as two lists:
1. one
2. two
a. one
b. two
Since we regard this as a bug in Markdown.pl, and not something
anyone would ever rely on, we do not preserve the old behavior
even when `--strict` is selected.