IPython magics

transpiling in container blocks

blocks and lists make up commonmark's container blocks.

lists are probably one of the most confusing syntactic features of midgy.

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lists are strings

* list item 1
* list item 2

"""* list item 1
* list item 2""";

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indented code requires and extra indents

* list item 1

        code block
* list item 2

    list paragraph

"""* list item 1"""

code block
"""* list item 2

    list paragraph""";

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each level requires and extra code indent

* list item 1

        code block
    * nested list item 1

            code block
    * nested list item 2

        list paragraph

"""* list item 1"""

code block
"""    * nested list item 1"""

    code block
    """    * nested list item 2

        list paragraph""";