def extendMarkdown(self, md, md_globals):
        md.registerExtension(self)

        md.preprocessors.add('fenced_code_extra',
                                 FencedBlockExtraPreprocessor(self, md),
                                 ">normalize_whitespace")
Add FencedBlockExtraPreprocessor to the Markdown instance.
dataset/ETHPy150Open zrong/wpcmd/wpcmd/mde/fenced_code_extra.py/FencedCodeExtraExtension.extendMarkdown