* Add double underscore syntax for bold markdown see https://github.com/syuilo/misskey/pull/3732 this allows bold text through either **text** or __text__ * Add tests for underscore bold mfm syntax
* Add double underscore syntax for bold markdown see https://github.com/syuilo/misskey/pull/3732 this allows bold text through either **text** or __text__ * Add tests for underscore bold mfm syntax