title: Smart Strong Extension Smart_Strong ============ Summary ------- The Smart_Strong extension adds smarter handling of double underscores within words. This does for double underscores what [smart_emphasis][] does for single underscores. The Smart_Strong extension is included in the standard Markdown library. [smart_emphasis]: ../reference.md#smart_emphasis Example ------- ```pycon >>> import markdown >>> markdown.markdown('Text with double__underscore__words.', extensions=['smart_strong']) u'

Text with double__underscore__words.

' >>> markdown.markdown('__Strong__ still works.', extensions=['smart_strong']) u'

Strong still works.

' >>> markdown.markdown('__this__works__too__.', extensions=['smart_strong']) u'

this__works__too.

' ``` Usage ----- See [Extensions](index.md) for general extension usage. Use `smart_strong` as the name of the extension. This extension does not accept any special configuration options.