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TOC extension
~~~~~~~~~~~~~
Renders the TOC(Table Of Content) for a markdown document.
This requires to install `toc` extras::
pip install marko[toc]
Arguments:
* opening: the opening tag, defaults to
* closing: the closing tag, defaults to
* item_format: the toc item format, defaults to '{text}'
Usage::
from marko import Markdown
markdown = Markdown(extensions=['toc'])
print(markdown(text))
print(markdown.renderer.render_toc())
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